Subject: [Healeys] BN2 back axle

From: mike brooks via Healeys <[email-masked]>
Date: Sun, 17 Mar 2024 20:13:36 +0000 (UTC)

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Can someone explain how the hub oil seals are meant to work. They are inbord of the hub bearings. Are the hubs meant to be packed with grease? ( the service manual suggests they should, but the same manual doesn't tell you to pack the hub with grease when changing hub bearings and seals). Is the back axle oil intended to pass across the oil seal to the hub bearing? If so, then the paper gasket in the hub flange to half-shaft joint will need to be oil tight.
Thanks in advance for any help.
Mike Brooks56 BN2Scotland
Yahoo Mail: Search, organise, conquer
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Can someone explain how the hub oil seals are meant to work. They are inbord of the hub bearings. Are the hubs meant to be packed with grease? ( the service manual suggests they should, but the same manual doesn't tell you to pack the hub with grease when changing hub bearings and seals). Is the back axle oil intended to pass across the oil seal to the hub bearing? If so, then the paper gasket in the hub flange to half-shaft joint will need to be oil tight.<div><br></div><div>Thanks in advance for any help.</div><div><br></div><div>Mike Brooks</div><div>56 BN2</div><div>Scotland</div><div><br><div id="ymail_android_signature"><a id="ymail_android_signature_link" href="https://mail.onelink.me/107872968?pid=NativePlacement&amp;c=Global_Acquisition_YMktg_315_EmailSignatureGrowth_YahooMail:Search,Organize,Conquer&amp;af_sub1=Acquisition&amp;af_sub2=Global_YMktg&amp;af_sub3=&amp;af_sub4=100000945&amp;af_sub5=OrganizeConquer__Static_">Yahoo Mail: Search, organise, conquer</a></div></div>
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From: Bob Haskell <[email-masked]>
Date: Sun, 17 Mar 2024 16:40:24 -0400

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Mike,

The bearings are lubricated with the rear axle oil.  No grease. Oil 
flows between the axle shaft and the axle housing to around to the 
bearing.  Yes, the paper gasket has to be oil tight.  The oil seal keeps 
the oil from lubricating the brake shoes.

Bob Haskell
Austin-Healey 3000 roadster registrar

On 3/17/24 16:13, mike brooks via Healeys wrote:
> Can someone explain how the hub oil seals are meant to work. They are 
> inbord of the hub bearings. Are the hubs meant to be packed with 
> grease? ( the service manual suggests they should, but the same manual 
> doesn't tell you to pack the hub with grease when changing hub 
> bearings and seals). Is the back axle oil intended to pass across the 
> oil seal to the hub bearing? If so, then the paper gasket in the hub 
> flange to half-shaft joint will need to be oil tight.
>
> Mike Brooks
> 56 BN2
> Scotland
> <https://mail.onelink.me/107872968?pid=NativePlacement&c=Global_Acquisition_YMktg_315_EmailSignatureGrowth_YahooMail:Search,Organize,Conquer&af_sub1=Acquisition&af_sub2=Global_YMktg&af_sub3=&af_sub4=100000945&af_sub5=OrganizeConquer__Static_>
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    <p>Mike,</p>
    <p>The bearings are lubricated with the rear axle oil.  No grease. 
      Oil flows between the axle shaft and the axle housing to around to
      the bearing.  Yes, the paper gasket has to be oil tight.  The oil
      seal keeps the oil from lubricating the brake shoes.<br>
    </p>
    <pre class="moz-signature" cols="72">Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
    <div class="moz-cite-prefix">On 3/17/24 16:13, mike brooks via
      Healeys wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      Can someone explain how the hub oil seals are meant to work. They
      are inbord of the hub bearings. Are the hubs meant to be packed
      with grease? ( the service manual suggests they should, but the
      same manual doesn't tell you to pack the hub with grease when
      changing hub bearings and seals). Is the back axle oil intended to
      pass across the oil seal to the hub bearing? If so, then the paper
      gasket in the hub flange to half-shaft joint will need to be oil
      tight.
      <div><br>
      </div>
      <div>Thanks in advance for any help.</div>
      <div><br>
      </div>
      <div>Mike Brooks</div>
      <div>56 BN2</div>
      <div>Scotland</div>
      <div><br>
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From: Michael Oritt <[email-masked]>
Date: Sun, 17 Mar 2024 20:23:56 -0400

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What Bob says.

The inner seal on the axle is the critical piece and if there is wear on
the sealing surface you will need to fit a Speedi-Sleeve or similar repair
piece.
BTW SKF and others make what they call semi-sealed or sealed bearings with
plastic or fibre pieces on one or both sides of the bearing but since the
sealed ones are not filled with oil I have never understood how they are
supposed to get lubrication.

Best--Michael Oritt

On Sun, Mar 17, 2024 at 5:06=E2=80=AFPM Bob Haskell <[email-masked]=
t> wrote:

> Mike,
>
> The bearings are lubricated with the rear axle oil.  No grease.  Oil flow=
s
> between the axle shaft and the axle housing to around to the bearing.  Ye=
s,
> the paper gasket has to be oil tight.  The oil seal keeps the oil from
> lubricating the brake shoes.
>
> Bob Haskell
> inbord of the hub bearings. Are the hubs meant to be packed with grease? =
(
> the service manual suggests they should, but the same manual doesn't tell
> you to pack the hub with grease when changing hub bearings and seals). Is
> the back axle oil intended to pass across the oil seal to the hub bearing=
?
> If so, then the paper gasket in the hub flange to half-shaft joint will
> need to be oil tight.
>
> <https://mail.onelink.me/107872968?pid=3DNativePlacement&c=3DGlobal_Acqui=
sition_YMktg_315_EmailSignatureGrowth_YahooMail:Search,Organize,Conquer&af_=
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff">What =
Bob says.=C2=A0=C2=A0</div><div class=3D"gmail_default" style=3D"color:#333=
3ff"><br></div><div class=3D"gmail_default" style=3D"color:#3333ff">The inn=
er seal on the axle is the critical=C2=A0piece and if there is wear on the =
sealing surface you will need to fit a Speedi-Sleeve or similar repair piec=
e.</div><div class=3D"gmail_default" style=3D"color:#3333ff">BTW SKF and ot=
hers make what=C2=A0they=C2=A0call semi-sealed or sealed bearings with plas=
tic or fibre pieces on one or both sides of the bearing but since the seale=
d ones are not filled with oil I have never understood how they are suppose=
d to get lubrication.</div><div class=3D"gmail_default" style=3D"color:#333=
3ff"><br></div><div class=3D"gmail_default" style=3D"color:#3333ff">Best--M=
ichael Oritt</div><div class=3D"gmail_default" style=3D"color:#3333ff">=C2=
=A0</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gma=
il_attr">On Sun, Mar 17, 2024 at 5:06=E2=80=AFPM Bob Haskell &lt;<a href=3D=
"mailto:[email-masked]" target=3D"_blank">[email-masked]<=
/a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0=
px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><=
u></u>

 =20
   =20
 =20
  <div>
    <p>Mike,</p>
    <p>The bearings are lubricated with the rear axle oil.=C2=A0 No grease.=
=C2=A0
      Oil flows between the axle shaft and the axle housing to around to
      the bearing.=C2=A0 Yes, the paper gasket has to be oil tight.=C2=A0 T=
he oil
      seal keeps the oil from lubricating the brake shoes.<br>
    </p>
    <pre cols=3D"72">Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
    <div>On 3/17/24 16:13, mike brooks via
      Healeys wrote:<br>
    </div>
    <blockquote type=3D"cite">
     =20
      Can someone explain how the hub oil seals are meant to work. They
      are inbord of the hub bearings. Are the hubs meant to be packed
      with grease? ( the service manual suggests they should, but the
      same manual doesn&#39;t tell you to pack the hub with grease when
      changing hub bearings and seals). Is the back axle oil intended to
      pass across the oil seal to the hub bearing? If so, then the paper
      gasket in the hub flange to half-shaft joint will need to be oil
      tight.
      <div><br>
      </div>
      <div>Thanks in advance for any help.</div>
      <div><br>
      </div>
      <div>Mike Brooks</div>
      <div>56 BN2</div>
      <div>Scotland</div>
      <div><br>
        <div id=3D"m_5674886393102479375m_-6882621864568873448ymail_android=
_signature"><a id=3D"m_5674886393102479375m_-6882621864568873448ymail_andro=
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From: Bob Spidell <[email-masked]> kkIgUNgt22Ylg8rBBk9xoOxWDk5YXGJOQl9VEwzDx8c3VHsWVBRNuhftuEUM7pXMuKLY0xIL43pLmmaD6nx6R6ypnR/FRAJi1f4=
Date: Mon, 18 Mar 2024 08:47:20 -0700

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Tom Monaco told me he's replaced a large number of spun axle 
bearings--IIRC he said 'a hundred' or so--over the last few years. I'm 
not sure exactly what you'd look for that presages that problem, but 
something to keep in mind. It's not particularly easy to get the 
requisite torque on the big eight-sided nut that clamps the inner race; 
knocking it on with a hammer and chisel isn't a good solution (I use a 
purpose-made large socket and a 3/4" air impact driver). They can spin 
in the hub as well.

Moss sells a reg. seal for $2.79 and a 'premium' for $21.99; I couldn't 
tell you the difference except the cheap one is a 'no name' and the 
'premium' was a (generally) good brand (maybe Timken or SK; I don't 
recall). Worth it or just 'marketing?' Beats me, but given the hassle of 
this job I went for 'premium.'

On 3/17/2024 5:23 PM, Michael Oritt wrote:
> What Bob says.
>
> The inner seal on the axle is the critical piece and if there is wear 
> on the sealing surface you will need to fit a Speedi-Sleeve or similar 
> repair piece.
> BTW SKF and others make what they call semi-sealed or sealed bearings 
> with plastic or fibre pieces on one or both sides of the bearing but 
> since the sealed ones are not filled with oil I have never understood 
> how they are supposed to get lubrication.
>
> Best--Michael Oritt
>
> On Sun, Mar 17, 2024 at 5:06 PM Bob Haskell <[email-masked]> 
> wrote:
>
>     Mike,
>
>     The bearings are lubricated with the rear axle oil.  No grease. 
>     seal keeps the oil from lubricating the brake shoes.
>
>     Bob Haskell
>>     changing hub bearings and seals). Is the back axle oil intended
>>     to pass across the oil seal to the hub bearing? If so, then the
>>     paper gasket in the hub flange to half-shaft joint will need to
>>     be oil tight.
>>
> Unsubscribe/Manage:http://autox.team.net/mailman/options/healeys/[email-masked]
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    Tom Monaco told me he's replaced a large number of spun axle
    bearings--IIRC he said 'a hundred' or so--over the last few years.
    I'm not sure exactly what you'd look for that presages that problem,
    but something to keep in mind. It's not particularly easy to get the
    requisite torque on the big eight-sided nut that clamps the inner
    race; knocking it on with a hammer and chisel isn't a good solution
    (I use a purpose-made large socket and a 3/4" air impact driver).
    They can spin in the hub as well.<br>
    <br>
    Moss sells a reg. seal for $2.79 and a 'premium' for $21.99; I
    couldn't tell you the difference except the cheap one is a 'no name'
    and the 'premium' was a (generally) good brand (maybe Timken or SK;
    I don't recall). Worth it or just 'marketing?' Beats me, but given
    the hassle of this job I went for 'premium.'<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 3/17/2024 5:23 PM, Michael Oritt
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div class="gmail_default" style="color:#3333ff">What Bob
          says.  </div>
        <div class="gmail_default" style="color:#3333ff"><br>
        </div>
        <div class="gmail_default" style="color:#3333ff">The inner seal
          on the axle is the critical piece and if there is wear on the
          sealing surface you will need to fit a Speedi-Sleeve or
          similar repair piece.</div>
        <div class="gmail_default" style="color:#3333ff">BTW SKF and
          others make what they call semi-sealed or sealed bearings with
          plastic or fibre pieces on one or both sides of the bearing
          but since the sealed ones are not filled with oil I have never
          understood how they are supposed to get lubrication.</div>
        <div class="gmail_default" style="color:#3333ff"><br>
        </div>
        <div class="gmail_default" style="color:#3333ff">Best--Michael
          Oritt</div>
        <div class="gmail_default" style="color:#3333ff"> </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Sun, Mar 17, 2024 at
          5:06 PM Bob Haskell &lt;<a
            href="mailto:[email-masked]" target="_blank"
            moz-do-not-send="true" class="moz-txt-link-freetext">[email-masked]</a>&gt;
          wrote:<br>
        </div>
        <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <p>Mike,</p>
            <p>The bearings are lubricated with the rear axle oil.  No
              grease.  Oil flows between the axle shaft and the axle
              housing to around to the bearing.  Yes, the paper gasket
              has to be oil tight.  The oil seal keeps the oil from
              lubricating the brake shoes.<br>
            </p>
            <pre cols="72">Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
            <div>On 3/17/24 16:13, mike brooks via Healeys wrote:<br>
            </div>
            <blockquote type="cite"> Can someone explain how the hub oil
              seals are meant to work. They are inbord of the hub
              bearings. Are the hubs meant to be packed with grease? (
              the service manual suggests they should, but the same
              manual doesn't tell you to pack the hub with grease when
              changing hub bearings and seals). Is the back axle oil
              intended to pass across the oil seal to the hub bearing?
              If so, then the paper gasket in the hub flange to
              half-shaft joint will need to be oil tight.
              <div><br>
              </div>
              <div>Thanks in advance for any help.</div>
              <div><br>
              </div>
              <div>Mike Brooks</div>
              <div>56 BN2</div>
              <div>Scotland</div>
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      <fieldset class="moz-mime-attachment-header"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________

</pre>
    </blockquote>
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[email-masked]

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---

From: warthodson--- via Healeys <[email-masked]>
Date: Mon, 18 Mar 2024 17:45:20 +0000 (UTC)

--===============7342988405240091482==
	boundary="----=_Part_4680723_925248382.1710783920608"

------=_Part_4680723_925248382.1710783920608
Content-Transfer-Encoding: quoted-printable

 The work shop manual refers to a specific dimension that the paper gasket =
must stand proud of the steel ring spacer.The gaskets that I received from =
a well known supplier were too thin. I made my own & have never had a leak =
or a bearing failure, so far, 15-20 years!Gary Hodson
    On Monday, March 18, 2024 at 11:15:39 AM CDT, Bob Spidell <bspidell@com=
cast.net> wrote: =20
=20
  Tom Monaco told me he's replaced a large number of spun axle bearings--II=
RC he said 'a hundred' or so--over the last few years. I'm not sure exactly=
 what you'd look for that presages that problem, but something to keep in m=
ind. It's not particularly easy to get the requisite torque on the big eigh=
t-sided nut that clamps the inner race; knocking it on with a hammer and ch=
isel isn't a good solution (I use a purpose-made large socket and a 3/4" ai=
r impact driver). They can spin in the hub as well.
=20
 Moss sells a reg. seal for $2.79 and a 'premium' for $21.99; I couldn't te=
ll you the difference except the cheap one is a 'no name' and the 'premium'=
 was a (generally) good brand (maybe Timken or SK; I don't recall). Worth i=
t or just 'marketing?' Beats me, but given the hassle of this job I went fo=
r 'premium.'
=20
=20
 On 3/17/2024 5:23 PM, Michael Oritt wrote:
 =20
=20
 What Bob says.=C2=A0=C2=A0=20
  The inner seal on the axle is the critical=C2=A0piece and if there is wea=
r on the sealing surface you will need to fit a Speedi-Sleeve or similar re=
pair piece. BTW SKF and others make what=C2=A0they=C2=A0call semi-sealed or=
 sealed bearings with plastic or fibre pieces on one or both sides of the b=
earing but since the sealed ones are not filled with oil I have never under=
stood how they are supposed to get lubrication.=20
  Best--Michael Oritt =C2=A0 =20
  On Sun, Mar 17, 2024 at 5:06=E2=80=AFPM Bob Haskell <rchaskell@earthlink.=
net> wrote:
 =20
 =20
Mike,
=20
The bearings are lubricated with the rear axle oil.=C2=A0 No grease.=C2=A0 =
Oil flows between the axle shaft and the axle housing to around to the bear=
ing.=C2=A0 Yes, the paper gasket has to be oil tight.=C2=A0 The oil seal ke=
eps the oil from lubricating the brake shoes.
=20
 Bob Haskell
Austin-Healey 3000 roadster registrar On 3/17/24 16:13, mike brooks via Hea=
leys wrote:
 =20
 Can someone explain how the hub oil seals are meant to work. They are inbo=
rd of the hub bearings. Are the hubs meant to be packed with grease? ( the =
service manual suggests they should, but the same manual doesn't tell you t=
o pack the hub with grease when changing hub bearings and seals). Is the ba=
ck axle oil intended to pass across the oil seal to the hub bearing? If so,=
 then the paper gasket in the hub flange to half-shaft joint will need to b=
e oil tight.=20
  Thanks in advance for any help.=20
  Mike Brooks 56 BN2 Scotland=20
 Yahoo Mail: Search, organise, conquer =20
  _______________________________________________

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys

[email-masked]

@earthlink.net

=20
  _______________________________________________
 Support Team.Net http://www.team.net/donate.html
 Suggested annual donation=C2=A0 $12.75
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 Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archi=
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=20
 Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/michael.=
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=20
 =20
  _______________________________________________Support Team.Net http://ww=
w.team.net/donate.htmlSuggested annual donation $12.75Archive: http://www.t=
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 =20
------=_Part_4680723_925248382.1710783920608
Content-Transfer-Encoding: quoted-printable

<html><head></head><body><div class=3D"ydp1b21764fyahoo-style-wrap" style=
=3D"font-family:Comic Sans MS, sans-serif;font-size:16px;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">The work shop manual refers =
to a specific dimension that the paper gasket must stand proud of the steel=
 ring spacer.</div><div dir=3D"ltr" data-setdir=3D"false">The gaskets that =
I received from a well known supplier were too thin. I made my own &amp; ha=
ve never had a leak or a bearing failure, so far, 15-20 years!</div><div di=
r=3D"ltr" data-setdir=3D"false">Gary Hodson</div><div><br></div>
       =20
        </div><div id=3D"ydp662d60cyahoo_quoted_1217414981" class=3D"ydp662=
d60cyahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                    On Monday, March 18, 2024 at 11:15:39 AM CDT, Bob Spide=
ll &lt;[email-masked]&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div id=3D"ydp662d60cyiv6546823410"><div>
    Tom Monaco told me he's replaced a large number of spun axle
    bearings--IIRC he said 'a hundred' or so--over the last few years.
    I'm not sure exactly what you'd look for that presages that problem,
    but something to keep in mind. It's not particularly easy to get the
    requisite torque on the big eight-sided nut that clamps the inner
    race; knocking it on with a hammer and chisel isn't a good solution
    (I use a purpose-made large socket and a 3/4" air impact driver).
    They can spin in the hub as well.<br clear=3D"none">
    <br clear=3D"none">
    Moss sells a reg. seal for $2.79 and a 'premium' for $21.99; I
    couldn't tell you the difference except the cheap one is a 'no name'
    and the 'premium' was a (generally) good brand (maybe Timken or SK;
    I don't recall). Worth it or just 'marketing?' Beats me, but given
    the hassle of this job I went for 'premium.'<br clear=3D"none">
    <br clear=3D"none">
    <br clear=3D"none">
    <div id=3D"ydp662d60cyiv6546823410yqtfd89942" class=3D"ydp662d60cyiv654=
6823410yqt4617967644"><div class=3D"ydp662d60cyiv6546823410moz-cite-prefix"=
>On 3/17/2024 5:23 PM, Michael Oritt
      wrote:<br clear=3D"none">
    </div>
    <blockquote type=3D"cite">
      </blockquote></div></div><div id=3D"ydp662d60cyiv6546823410yqtfd04690=
" class=3D"ydp662d60cyiv6546823410yqt4617967644"></div><div><div id=3D"ydp6=
62d60cyiv6546823410yqtfd78669" class=3D"ydp662d60cyiv6546823410yqt461796764=
4"><div dir=3D"ltr">
        <div style=3D"color:#3333ff;" class=3D"ydp662d60cyiv6546823410gmail=
_default">What Bob
          says.&nbsp;&nbsp;</div>
        <div style=3D"color:#3333ff;" class=3D"ydp662d60cyiv6546823410gmail=
_default"><br clear=3D"none">
        </div>
        <div style=3D"color:#3333ff;" class=3D"ydp662d60cyiv6546823410gmail=
_default">The inner seal
          on the axle is the critical&nbsp;piece and if there is wear on th=
e
          sealing surface you will need to fit a Speedi-Sleeve or
          similar repair piece.</div>
        <div style=3D"color:#3333ff;" class=3D"ydp662d60cyiv6546823410gmail=
_default">BTW SKF and
          others make what&nbsp;they&nbsp;call semi-sealed or sealed bearin=
gs with
          plastic or fibre pieces on one or both sides of the bearing
          but since the sealed ones are not filled with oil I have never
          understood how they are supposed to get lubrication.</div>
        <div style=3D"color:#3333ff;" class=3D"ydp662d60cyiv6546823410gmail=
_default"><br clear=3D"none">
        </div>
        <div style=3D"color:#3333ff;" class=3D"ydp662d60cyiv6546823410gmail=
_default">Best--Michael
          Oritt</div>
        <div style=3D"color:#3333ff;" class=3D"ydp662d60cyiv6546823410gmail=
_default">&nbsp;</div>
      </div>
      <br clear=3D"none">
      <div class=3D"ydp662d60cyiv6546823410gmail_quote">
        <div dir=3D"ltr" class=3D"ydp662d60cyiv6546823410gmail_attr">On Sun=
, Mar 17, 2024 at
          5:06=E2=80=AFPM Bob Haskell &lt;<a shape=3D"rect" href=3D"mailto:=
[email-masked]" class=3D"ydp662d60cyiv6546823410moz-txt-link-freet=
ext" rel=3D"nofollow" target=3D"_blank">[email-masked]</a>&gt;
          wrote:<br clear=3D"none">
        </div>
        <blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid=
 rgb(204,204,204);padding-left:1ex;" class=3D"ydp662d60cyiv6546823410gmail_=
quote">
          <div>
            <p>Mike,</p>
            <p>The bearings are lubricated with the rear axle oil.&nbsp; No
              grease.&nbsp; Oil flows between the axle shaft and the axle
              housing to around to the bearing.&nbsp; Yes, the paper gasket
              has to be oil tight.&nbsp; The oil seal keeps the oil from
              lubricating the brake shoes.<br clear=3D"none">
            </p>
            <pre>Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
            <div>On 3/17/24 16:13, mike brooks via Healeys wrote:<br clear=
=3D"none">
            </div>
            <blockquote type=3D"cite"> Can someone explain how the hub oil
              seals are meant to work. They are inbord of the hub
              bearings. Are the hubs meant to be packed with grease? (
              the service manual suggests they should, but the same
              manual doesn't tell you to pack the hub with grease when
              changing hub bearings and seals). Is the back axle oil
              intended to pass across the oil seal to the hub bearing?
              If so, then the paper gasket in the hub flange to
              half-shaft joint will need to be oil tight.
              <div><br clear=3D"none">
              </div>
              <div>Thanks in advance for any help.</div>
              <div><br clear=3D"none">
              </div>
              <div>Mike Brooks</div>
              <div>56 BN2</div>
              <div>Scotland</div>
              <div><br clear=3D"none">
                <div id=3D"ydp662d60cyiv6546823410m_5674886393102479375m_-6=
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      </div><pre class=3D"ydp662d60cyiv6546823410moz-quote-pre"><div id=3D"=
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</div></pre><div id=3D"ydp662d60cyiv6546823410yqtfd17820" class=3D"ydp662d6=
0cyiv6546823410yqt4617967644">
   =20
    <br clear=3D"none">
  </div></div></div><div class=3D"ydp662d60cyqt4617967644" id=3D"ydp662d60c=
yqtfd92374">_______________________________________________<br clear=3D"non=
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------=_Part_4680723_925248382.1710783920608--

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[email-masked]

--===============7342988405240091482==--

---

From: john harper <[email-masked]>
Date: Sat, 23 Mar 2024 12:25:24 +0000

--===============6869292998015049107==

--000000000000831da906145309bc
Content-Transfer-Encoding: quoted-printable

Gary

The BN2 rear hubs are a bad design relying on very accurate machining of
the depth of the bearing location and an accurate bearing width.
Tolerances are very tight and it is hoped that a gachet of correct
thickness will make a good oil seal and at the same time grip the bearing
outer from turning in its housing.

This problem was addressed by the manufacturer and an extra grove was
machined in the face of the hup. Into this grove is fitted an 'O' ring that
will seal the gap between the hub and half shaft. This will seal a wide
range of tolerances and at the same time ensure that there is a good grip
on the bearing outer.

If available the best solution is to find hubs for later big Healey and fit
these together with 'O' rings.

Another solution is to run a continuous ring of liquid gasket around the
face of the hub before assembly. This is also the only effective seal on
early BN1 hubs.

All the best

On Mon, 18 Mar 2024 at 18:02, warthodson--- via Healeys <
[email-masked]> wrote:

> The work shop manual refers to a specific dimension that the paper gasket
> must stand proud of the steel ring spacer.
> The gaskets that I received from a well known supplier were too thin. I
> made my own & have never had a leak or a bearing failure, so far, 15-20
> years!
> Gary Hodson
>
> On Monday, March 18, 2024 at 11:15:39 AM CDT, Bob Spidell <
> [email-masked]> wrote:
>
>
> bearings--IIRC he said 'a hundred' or so--over the last few years. I'm no=
t
> sure exactly what you'd look for that presages that problem, but somethin=
g
> to keep in mind. It's not particularly easy to get the requisite torque o=
n
> the big eight-sided nut that clamps the inner race; knocking it on with a
> hammer and chisel isn't a good solution (I use a purpose-made large socke=
t
> and a 3/4" air impact driver). They can spin in the hub as well.
>
> the sealing surface you will need to fit a Speedi-Sleeve or similar repai=
r
> piece.
> BTW SKF and others make what they call semi-sealed or sealed bearings wit=
h
> On Sun, Mar 17, 2024 at 5:06=E2=80=AFPM Bob Haskell <rchaskell@earthlink.=
net>
s
s,
(
?
ive/healeys
[email-masked]
ive/healeys
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>

--000000000000831da906145309bc
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Gary<div><br></div><div>The BN2 rear hubs are a bad design=
 relying on very accurate machining=C2=A0of the depth of the bearing locati=
on and an accurate bearing width. Tolerances=C2=A0are very tight and it is =
hoped that a gachet of correct thickness will make a good oil seal and at t=
he same time grip the bearing outer from turning in its housing.</div><div>=
<br></div><div>This problem was addressed=C2=A0by the manufacturer=C2=A0and=
 an extra grove was machined in the face of the hup. Into this grove is fit=
ted an &#39;O&#39; ring that will seal the gap between=C2=A0the hub and hal=
f shaft. This will seal a wide range of tolerances and at the same time ens=
ure that there is a good grip on the bearing outer.</div><div><br></div><di=
v>If available the best solution is to find hubs for later=C2=A0big Healey =
and fit these together with &#39;O&#39; rings.</div><div><br></div><div>Ano=
ther solution=C2=A0is to run a continuous ring of liquid=C2=A0gasket around=
 the face of the hub before assembly. This is also the only effective seal =
on early BN1 hubs.</div><div><br></div><div>All the best</div></div><br><di=
v class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, 18 Ma=
r 2024 at 18:02, warthodson--- via Healeys &lt;<a href=3D"mailto:healeys@au=
tox.team.net">[email-masked]</a>&gt; wrote:<br></div><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid=
 rgb(204,204,204);padding-left:1ex"><div><div style=3D"font-family:&quot;Co=
mic Sans MS&quot;,sans-serif;font-size:16px"><div></div>
        <div dir=3D"ltr">The work shop manual refers to a specific dimensio=
n that the paper gasket must stand proud of the steel ring spacer.</div><di=
v dir=3D"ltr">The gaskets that I received from a well known supplier were t=
oo thin. I made my own &amp; have never had a leak or a bearing failure, so=
 far, 15-20 years!</div><div dir=3D"ltr">Gary Hodson</div><div><br></div>
       =20
        </div><div id=3D"m_-3944875174496281455ydp662d60cyahoo_quoted_12174=
14981">
            <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
               =20
                <div>
                    On Monday, March 18, 2024 at 11:15:39 AM CDT, Bob Spide=
ll &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank">bspidell@c=
omcast.net</a>&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div id=3D"m_-3944875174496281455ydp662d60cyiv65468234=
10"><div>
    Tom Monaco told me he&#39;s replaced a large number of spun axle
    bearings--IIRC he said &#39;a hundred&#39; or so--over the last few yea=
rs.
    I&#39;m not sure exactly what you&#39;d look for that presages that pro=
blem,
    but something to keep in mind. It&#39;s not particularly easy to get th=
e
    requisite torque on the big eight-sided nut that clamps the inner
    race; knocking it on with a hammer and chisel isn&#39;t a good solution
    (I use a purpose-made large socket and a 3/4&quot; air impact driver).
    They can spin in the hub as well.<br clear=3D"none">
    <br clear=3D"none">
    Moss sells a reg. seal for $2.79 and a &#39;premium&#39; for $21.99; I
    couldn&#39;t tell you the difference except the cheap one is a &#39;no =
name&#39;
    and the &#39;premium&#39; was a (generally) good brand (maybe Timken or=
 SK;
    I don&#39;t recall). Worth it or just &#39;marketing?&#39; Beats me, bu=
t given
    the hassle of this job I went for &#39;premium.&#39;<br clear=3D"none">
    <br clear=3D"none">
    <br clear=3D"none">
    <div id=3D"m_-3944875174496281455ydp662d60cyiv6546823410yqtfd89942"><di=
v>On 3/17/2024 5:23 PM, Michael Oritt
      wrote:<br clear=3D"none">
    </div>
    <blockquote type=3D"cite">
      </blockquote></div></div><div id=3D"m_-3944875174496281455ydp662d60cy=
iv6546823410yqtfd04690"></div><div><div id=3D"m_-3944875174496281455ydp662d=
60cyiv6546823410yqtfd78669"><div dir=3D"ltr">
        <div style=3D"color:rgb(51,51,255)">What Bob
          says.=C2=A0=C2=A0</div>
        <div style=3D"color:rgb(51,51,255)"><br clear=3D"none">
        </div>
        <div style=3D"color:rgb(51,51,255)">The inner seal
          on the axle is the critical=C2=A0piece and if there is wear on th=
e
          sealing surface you will need to fit a Speedi-Sleeve or
          similar repair piece.</div>
        <div style=3D"color:rgb(51,51,255)">BTW SKF and
          others make what=C2=A0they=C2=A0call semi-sealed or sealed bearin=
gs with
          plastic or fibre pieces on one or both sides of the bearing
          but since the sealed ones are not filled with oil I have never
          understood how they are supposed to get lubrication.</div>
        <div style=3D"color:rgb(51,51,255)"><br clear=3D"none">
        </div>
        <div style=3D"color:rgb(51,51,255)">Best--Michael
          Oritt</div>
        <div style=3D"color:rgb(51,51,255)">=C2=A0</div>
      </div>
      <br clear=3D"none">
      <div>
        <div dir=3D"ltr">On Sun, Mar 17, 2024 at
          5:06=E2=80=AFPM Bob Haskell &lt;<a shape=3D"rect" href=3D"mailto:=
[email-masked]" rel=3D"nofollow" target=3D"_blank">rchaskell@earth=
link.net</a>&gt;
          wrote:<br clear=3D"none">
        </div>
        <blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid=
 rgb(204,204,204);padding-left:1ex">
          <div>
            <p>Mike,</p>
            <p>The bearings are lubricated with the rear axle oil.=C2=A0 No
              grease.=C2=A0 Oil flows between the axle shaft and the axle
              housing to around to the bearing.=C2=A0 Yes, the paper gasket
              has to be oil tight.=C2=A0 The oil seal keeps the oil from
              lubricating the brake shoes.<br clear=3D"none">
            </p>
            <pre>Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
            <div>On 3/17/24 16:13, mike brooks via Healeys wrote:<br clear=
=3D"none">
            </div>
            <blockquote type=3D"cite"> Can someone explain how the hub oil
              seals are meant to work. They are inbord of the hub
              bearings. Are the hubs meant to be packed with grease? (
              the service manual suggests they should, but the same
              manual doesn&#39;t tell you to pack the hub with grease when
              changing hub bearings and seals). Is the back axle oil
              intended to pass across the oil seal to the hub bearing?
              If so, then the paper gasket in the hub flange to
              half-shaft joint will need to be oil tight.
              <div><br clear=3D"none">
              </div>
              <div>Thanks in advance for any help.</div>
              <div><br clear=3D"none">
              </div>
              <div>Mike Brooks</div>
              <div>56 BN2</div>
              <div>Scotland</div>
              <div><br clear=3D"none">
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--000000000000831da906145309bc--

--===============6869292998015049107==
Content-Transfer-Encoding: 7bit
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[email-masked]

--===============6869292998015049107==--

---

From: Bob Spidell <[email-masked]> FQOs2vIL8Q6pNsB4wfvQ7JH+o+vbWqT2+mLpp+V3SA8AmqhVP0duYi3eKH6qAMSmDnepDgOLStL3W0Wr2FrVQqFi2LD025z2AodtDNhjsYg3DcYwsrh2eheP 1Ad5zjz/bvy4o/cwK8UlAw==
Date: Sat, 23 Mar 2024 06:04:57 -0700

This is a multi-part message in MIME format.
--===============8630983496921447870==
 boundary="------------8VWGG9CiXSqOUGzws6tX0OxI"
Content-Language: en-US

This is a multi-part message in MIME format.
--------------8VWGG9CiXSqOUGzws6tX0OxI
Content-Transfer-Encoding: 8bit

Just to confirm: Hubs from a later car, say, a BJ8 will completely 
interchange with a BN2 hub?

How would one determine a correct gasket thickness? There's no way, 
IIRC, to get a feeler gauge in there.

TIA,
Bob

On 3/23/2024 5:25 AM, john harper wrote:
> Gary
>
> The BN2 rear hubs are a bad design relying on very accurate 
> machining of the depth of the bearing location and an accurate bearing 
> width. Tolerances are very tight and it is hoped that a gachet of 
> correct thickness will make a good oil seal and at the same time grip 
> the bearing outer from turning in its housing.
>
> machined in the face of the hup. Into this grove is fitted an 'O' ring 
> that will seal the gap between the hub and half shaft. This will seal 
> a wide range of tolerances and at the same time ensure that there is a 
> good grip on the bearing outer.
>
> If available the best solution is to find hubs for later big Healey 
> and fit these together with 'O' rings.
>
> Another solution is to run a continuous ring of liquid gasket around 
> the face of the hub before assembly. This is also the only effective 
> seal on early BN1 hubs.
>
> All the best
>
> On Mon, 18 Mar 2024 at 18:02, warthodson--- via Healeys 
> <[email-masked]> wrote:
>
>     The work shop manual refers to a specific dimension that the paper
>     gasket must stand proud of the steel ring spacer.
>     The gaskets that I received from a well known supplier were too
>     thin. I made my own & have never had a leak or a bearing failure,
>     so far, 15-20 years!
>     Gary Hodson
>
>     On Monday, March 18, 2024 at 11:15:39 AM CDT, Bob Spidell
>     <[email-masked]> wrote:
>
>
>     I'm not sure exactly what you'd look for that presages that
>     problem, but something to keep in mind. It's not particularly easy
>     to get the requisite torque on the big eight-sided nut that clamps
>     the inner race; knocking it on with a hammer and chisel isn't a
>     good solution (I use a purpose-made large socket and a 3/4" air
>     impact driver). They can spin in the hub as well.
>
>     couldn't tell you the difference except the cheap one is a 'no
>     name' and the 'premium' was a (generally) good brand (maybe Timken
>     or SK; I don't recall). Worth it or just 'marketing?' Beats me,
>     but given the hassle of this job I went for 'premium.'
>
>
>     The inner seal on the axle is the critical piece and if there is
>     wear on the sealing surface you will need to fit a Speedi-Sleeve
>     or similar repair piece.
>     BTW SKF and others make what they call semi-sealed or sealed
>     bearings with plastic or fibre pieces on one or both sides of the
>     bearing but since the sealed ones are not filled with oil I have
>     never understood how they are supposed to get lubrication.
>
>     Best--Michael Oritt
>
>     On Sun, Mar 17, 2024 at 5:06 PM Bob Haskell
>     <[email-masked]> wrote:
>
>         Mike,
>
>         The bearings are lubricated with the rear axle oil.  No
>         grease.  Oil flows between the axle shaft and the axle housing
>         to around to the bearing.  Yes, the paper gasket has to be oil
>         tight. The oil seal keeps the oil from lubricating the brake
>         shoes.
>
>         Bob Haskell
>>         Can someone explain how the hub oil seals are meant to work.
>>         They are inbord of the hub bearings. Are the hubs meant to be
>>         packed with grease? ( the service manual suggests they
>>         should, but the same manual doesn't tell you to pack the hub
>>         with grease when changing hub bearings and seals). Is the
>>         back axle oil intended to pass across the oil seal to the hub
>>         bearing? If so, then the paper gasket in the hub flange to
--------------8VWGG9CiXSqOUGzws6tX0OxI
Content-Transfer-Encoding: 8bit

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    Just to confirm: Hubs from a later car, say, a BJ8 will completely
    interchange with a BN2 hub?<br>
    <br>
    How would one determine a correct gasket thickness? There's no way,
    IIRC, to get a feeler gauge in there.<br>
    <br>
    TIA,<br>
    Bob<br>
    <br>
    <div class="moz-cite-prefix">On 3/23/2024 5:25 AM, john harper
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAL28cLUvybn2OWGKy+E4=PSWERNZOuxcMRdcB3fq4UJAw=[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">Gary
        <div><br>
        </div>
        <div>The BN2 rear hubs are a bad design relying on very accurate
          machining of the depth of the bearing location and an accurate
          bearing width. Tolerances are very tight and it is hoped that
          a gachet of correct thickness will make a good oil seal and at
          the same time grip the bearing outer from turning in its
          housing.</div>
        <div><br>
        </div>
        <div>This problem was addressed by the manufacturer and an extra
          grove was machined in the face of the hup. Into this grove is
          fitted an 'O' ring that will seal the gap between the hub and
          half shaft. This will seal a wide range of tolerances and at
          the same time ensure that there is a good grip on the bearing
          outer.</div>
        <div><br>
        </div>
        <div>If available the best solution is to find hubs for
          later big Healey and fit these together with 'O' rings.</div>
        <div><br>
        </div>
        <div>Another solution is to run a continuous ring of
          liquid gasket around the face of the hub before assembly. This
          is also the only effective seal on early BN1 hubs.</div>
        <div><br>
        </div>
        <div>All the best</div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Mon, 18 Mar 2024 at 18:02,
          warthodson--- via Healeys &lt;<a
            href="mailto:[email-masked]" moz-do-not-send="true"
            class="moz-txt-link-freetext">[email-masked]</a>&gt;
          wrote:<br>
        </div>
        <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <div
style="font-family:&quot;Comic Sans MS&quot;,sans-serif;font-size:16px">
              <div dir="ltr">The work shop manual refers to a specific
                dimension that the paper gasket must stand proud of the
                steel ring spacer.</div>
              <div dir="ltr">The gaskets that I received from a well
                known supplier were too thin. I made my own &amp; have
                never had a leak or a bearing failure, so far, 15-20
                years!</div>
              <div dir="ltr">Gary Hodson</div>
              <div><br>
              </div>
            </div>
            <div
id="m_-3944875174496281455ydp662d60cyahoo_quoted_1217414981">
              <div
style="font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
                <div> On Monday, March 18, 2024 at 11:15:39 AM CDT, Bob
                  Spidell &lt;<a href="mailto:[email-masked]"
                    target="_blank" moz-do-not-send="true"
                    class="moz-txt-link-freetext">[email-masked]</a>&gt;
                  wrote: </div>
                <div><br>
                </div>
                <div><br>
                </div>
                <div>
                  <div
                    id="m_-3944875174496281455ydp662d60cyiv6546823410">
                    <div> Tom Monaco told me he's replaced a large
                      number of spun axle bearings--IIRC he said 'a
                      hundred' or so--over the last few years. I'm not
                      sure exactly what you'd look for that presages
                      that problem, but something to keep in mind. It's
                      not particularly easy to get the requisite torque
                      on the big eight-sided nut that clamps the inner
                      race; knocking it on with a hammer and chisel
                      isn't a good solution (I use a purpose-made large
                      socket and a 3/4" air impact driver). They can
                      spin in the hub as well.<br clear="none">
                      <br clear="none">
                      Moss sells a reg. seal for $2.79 and a 'premium'
                      for $21.99; I couldn't tell you the difference
                      except the cheap one is a 'no name' and the
                      'premium' was a (generally) good brand (maybe
                      Timken or SK; I don't recall). Worth it or just
                      'marketing?' Beats me, but given the hassle of
                      this job I went for 'premium.'<br clear="none">
                      <br clear="none">
                      <br clear="none">
                      <div
id="m_-3944875174496281455ydp662d60cyiv6546823410yqtfd89942">
                        <div>On 3/17/2024 5:23 PM, Michael Oritt wrote:<br
                            clear="none">
                        </div>
                        <blockquote type="cite"> </blockquote>
                      </div>
                    </div>
                    <div>
                      <div
id="m_-3944875174496281455ydp662d60cyiv6546823410yqtfd78669">
                        <div dir="ltr">
                          <div style="color:rgb(51,51,255)">What Bob
                            says.  </div>
                          <div style="color:rgb(51,51,255)"><br
                              clear="none">
                          </div>
                          <div style="color:rgb(51,51,255)">The inner
                            seal on the axle is the critical piece and
                            if there is wear on the sealing surface you
                            will need to fit a Speedi-Sleeve or similar
                            repair piece.</div>
                          <div style="color:rgb(51,51,255)">BTW SKF and
                            others make what they call semi-sealed or
                            sealed bearings with plastic or fibre pieces
                            on one or both sides of the bearing but
                            since the sealed ones are not filled with
                            oil I have never understood how they are
                            supposed to get lubrication.</div>
                          <div style="color:rgb(51,51,255)"><br
                              clear="none">
                          </div>
                          <div style="color:rgb(51,51,255)">Best--Michael
                            Oritt</div>
                          <div style="color:rgb(51,51,255)"> </div>
                        </div>
                        <br clear="none">
                        <div>
                          <div dir="ltr">On Sun, Mar 17, 2024 at 5:06 PM
                            Bob Haskell &lt;<a shape="rect"
                              href="mailto:[email-masked]"
                              rel="nofollow" target="_blank"
                              moz-do-not-send="true"
                              class="moz-txt-link-freetext">[email-masked]</a>&gt;
                            wrote:<br clear="none">
                          </div>
                          <blockquote
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                            <div>
                              <p>Mike,</p>
                              <p>The bearings are lubricated with the
                                rear axle oil.  No grease.  Oil flows
                                between the axle shaft and the axle
                                housing to around to the bearing.  Yes,
                                the paper gasket has to be oil tight. 
                                The oil seal keeps the oil from
                                lubricating the brake shoes.<br
                                  clear="none">
                              </p>
                              <pre>Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
                              <div>On 3/17/24 16:13, mike brooks via
                                Healeys wrote:<br clear="none">
                              </div>
                              <blockquote type="cite"> Can someone
                                explain how the hub oil seals are meant
                                to work. They are inbord of the hub
                                bearings. Are the hubs meant to be
                                packed with grease? ( the service manual
                                suggests they should, but the same
                                manual doesn't tell you to pack the hub
                                with grease when changing hub bearings
                                and seals). Is the back axle oil
                                intended to pass across the oil seal to
                                the hub bearing? If so, then the paper
                                gasket in the hub flange to half-shaft
                                joint will need to be oil tight.
                                <div><br clear="none">
                                </div>
                                <div>Thanks in advance for any help.</div>
                                <div><br clear="none">
                                </div>
                                <div>Mike Brooks</div>
                                <div>56 BN2</div>
                                <div>Scotland</div>
                                <div><br>
                                </div>
                              </blockquote>
                            </div>
                          </blockquote>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </blockquote>
      </div>
    </blockquote>
  </body>
</html>

--------------8VWGG9CiXSqOUGzws6tX0OxI--

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[email-masked]

--===============8630983496921447870==--

---

From: Michael Salter <[email-masked]>
Date: Sat, 23 Mar 2024 09:37:06 -0400

--===============6440218345585267369==

--000000000000612e1f0614540aa0
Content-Transfer-Encoding: quoted-printable

The later hubs are the same other than the "O" ring groove of which there
were 2 types as I recall. A machine shop can easily cut an "O" ring groove
in the hub face of earlier hubs.
If you assemple everything dry, no gasket, and lightly snug the nuts up
with spacers or washers to prevent the threads from bottoming out you can
take a measurement with feeler gauges then subtract the thickness of the
gasket.
The original gaskets were *very* thin.
The purpose of the "nip" was to prevent the outer race turning in the hub.
These days the same result can easily be achieved with Locktite which
allows a thicker gasket to be used although that can make the bearings
somewhat difficult to remove from the hub next time.

M

On Sat., Mar. 23, 2024, 9:11 a.m. Bob Spidell, <[email-masked]> wrote=
:

> How would one determine a correct gasket thickness? There's no way, IIRC,
> to get a feeler gauge in there.
>
> TIA,
> Bob
>
> machined in the face of the hup. Into this grove is fitted an 'O' ring th=
at
> If available the best solution is to find hubs for later big Healey and
> fit these together with 'O' rings.
>
>> The work shop manual refers to a specific dimension that the paper gaske=
t
>> bearings--IIRC he said 'a hundred' or so--over the last few years. I'm n=
ot
>> sure exactly what you'd look for that presages that problem, but somethi=
ng
>> to keep in mind. It's not particularly easy to get the requisite torque =
on
>> the big eight-sided nut that clamps the inner race; knocking it on with =
a
>> hammer and chisel isn't a good solution (I use a purpose-made large sock=
et
>> the sealing surface you will need to fit a Speedi-Sleeve or similar repa=
ir
>> with plastic or fibre pieces on one or both sides of the bearing but sin=
ce
>> the sealed ones are not filled with oil I have never understood how they
>> are supposed to get lubrication.
>>
>> Best--Michael Oritt
>>
>>
>> On Sun, Mar 17, 2024 at 5:06=E2=80=AFPM Bob Haskell <rchaskell@earthlink=
.net>
>> inbord of the hub bearings. Are the hubs meant to be packed with grease?=
 (
>> the service manual suggests they should, but the same manual doesn't tel=
l
>> you to pack the hub with grease when changing hub bearings and seals). I=
s
>> the back axle oil intended to pass across the oil seal to the hub bearin=
g?
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>

--000000000000612e1f0614540aa0
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto">The later hubs are the same other than the &quot;O&quot; =
ring groove of which there were 2 types as I recall. A machine shop can eas=
ily cut an &quot;O&quot; ring groove in the hub face of earlier hubs.<div d=
ir=3D"auto">If you assemple everything dry, no gasket, and lightly snug the=
 nuts up with spacers or washers to prevent the threads from bottoming out =
you can take a measurement with feeler gauges then subtract the thickness o=
f the gasket.</div><div dir=3D"auto">The original gaskets were <u>very</u> =
thin.</div><div dir=3D"auto">The purpose of the &quot;nip&quot; was to prev=
ent the outer race turning in the hub. These days the same result can easil=
y be achieved with Locktite which allows a thicker gasket to be used althou=
gh that can make the bearings somewhat difficult to remove from the hub nex=
t time.</div><div dir=3D"auto"><br></div><div dir=3D"auto">M</div><div dir=
=3D"auto"><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" c=
lass=3D"gmail_attr">On Sat., Mar. 23, 2024, 9:11 a.m. Bob Spidell, &lt;<a h=
ref=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><u></u>

 =20
   =20
 =20
  <div>
    Just to confirm: Hubs from a later car, say, a BJ8 will completely
    interchange with a BN2 hub?<br>
    <br>
    How would one determine a correct gasket thickness? There&#39;s no way,
    IIRC, to get a feeler gauge in there.<br>
    <br>
    TIA,<br>
    Bob<br>
    <br>
    <div>On 3/23/2024 5:25 AM, john harper
      wrote:<br>
    </div>
    <blockquote type=3D"cite">
     =20
      <div dir=3D"ltr">Gary
        <div><br>
        </div>
        <div>The BN2 rear hubs are a bad design relying on very accurate
          machining=C2=A0of the depth of the bearing location and an accura=
te
          bearing width. Tolerances=C2=A0are very tight and it is hoped tha=
t
          a gachet of correct thickness will make a good oil seal and at
          the same time grip the bearing outer from turning in its
          housing.</div>
        <div><br>
        </div>
        <div>This problem was addressed=C2=A0by the manufacturer=C2=A0and a=
n extra
          grove was machined in the face of the hup. Into this grove is
          fitted an &#39;O&#39; ring that will seal the gap between=C2=A0th=
e hub and
          half shaft. This will seal a wide range of tolerances and at
          the same time ensure that there is a good grip on the bearing
          outer.</div>
        <div><br>
        </div>
        <div>If available the best solution is to find hubs for
          later=C2=A0big Healey and fit these together with &#39;O&#39; rin=
gs.</div>
        <div><br>
        </div>
        <div>Another solution=C2=A0is to run a continuous ring of
          liquid=C2=A0gasket around the face of the hub before assembly. Th=
is
          is also the only effective seal on early BN1 hubs.</div>
        <div><br>
        </div>
        <div>All the best</div>
      </div>
      <br>
      <div class=3D"gmail_quote">
        <div dir=3D"ltr" class=3D"gmail_attr">On Mon, 18 Mar 2024 at 18:02,
          warthodson--- via Healeys &lt;<a href=3D"mailto:[email-masked]=
m.net" target=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt;
          wrote:<br>
        </div>
        <blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex=
;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <div style=3D"font-family:&quot;Comic Sans MS&quot;,sans-serif;=
font-size:16px">
              <div dir=3D"ltr">The work shop manual refers to a specific
                dimension that the paper gasket must stand proud of the
                steel ring spacer.</div>
              <div dir=3D"ltr">The gaskets that I received from a well
                known supplier were too thin. I made my own &amp; have
                never had a leak or a bearing failure, so far, 15-20
                years!</div>
              <div dir=3D"ltr">Gary Hodson</div>
              <div><br>
              </div>
            </div>
            <div id=3D"m_6957726947611017760m_-3944875174496281455ydp662d60=
cyahoo_quoted_1217414981">
              <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetic=
a,Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
                <div> On Monday, March 18, 2024 at 11:15:39 AM CDT, Bob
                  Spidell &lt;<a href=3D"mailto:[email-masked]" targe=
t=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt;
                  wrote: </div>
                <div><br>
                </div>
                <div><br>
                </div>
                <div>
                  <div id=3D"m_6957726947611017760m_-3944875174496281455ydp=
662d60cyiv6546823410">
                    <div> Tom Monaco told me he&#39;s replaced a large
                      number of spun axle bearings--IIRC he said &#39;a
                      hundred&#39; or so--over the last few years. I&#39;m =
not
                      sure exactly what you&#39;d look for that presages
                      that problem, but something to keep in mind. It&#39;s
                      not particularly easy to get the requisite torque
                      on the big eight-sided nut that clamps the inner
                      race; knocking it on with a hammer and chisel
                      isn&#39;t a good solution (I use a purpose-made large
                      socket and a 3/4&quot; air impact driver). They can
                      spin in the hub as well.<br clear=3D"none">
                      <br clear=3D"none">
                      Moss sells a reg. seal for $2.79 and a &#39;premium&#=
39;
                      for $21.99; I couldn&#39;t tell you the difference
                      except the cheap one is a &#39;no name&#39; and the
                      &#39;premium&#39; was a (generally) good brand (maybe
                      Timken or SK; I don&#39;t recall). Worth it or just
                      &#39;marketing?&#39; Beats me, but given the hassle o=
f
                      this job I went for &#39;premium.&#39;<br clear=3D"no=
ne">
                      <br clear=3D"none">
                      <br clear=3D"none">
                      <div id=3D"m_6957726947611017760m_-394487517449628145=
5ydp662d60cyiv6546823410yqtfd89942">
                        <div>On 3/17/2024 5:23 PM, Michael Oritt wrote:<br =
clear=3D"none">
                        </div>
                        <blockquote type=3D"cite"> </blockquote>
                      </div>
                    </div>
                    <div>
                      <div id=3D"m_6957726947611017760m_-394487517449628145=
5ydp662d60cyiv6546823410yqtfd78669">
                        <div dir=3D"ltr">
                          <div style=3D"color:rgb(51,51,255)">What Bob
                            says.=C2=A0=C2=A0</div>
                          <div style=3D"color:rgb(51,51,255)"><br clear=3D"=
none">
                          </div>
                          <div style=3D"color:rgb(51,51,255)">The inner
                            seal on the axle is the critical=C2=A0piece and
                            if there is wear on the sealing surface you
                            will need to fit a Speedi-Sleeve or similar
                            repair piece.</div>
                          <div style=3D"color:rgb(51,51,255)">BTW SKF and
                            others make what=C2=A0they=C2=A0call semi-seale=
d or
                            sealed bearings with plastic or fibre pieces
                            on one or both sides of the bearing but
                            since the sealed ones are not filled with
                            oil I have never understood how they are
                            supposed to get lubrication.</div>
                          <div style=3D"color:rgb(51,51,255)"><br clear=3D"=
none">
                          </div>
                          <div style=3D"color:rgb(51,51,255)">Best--Michael
                            Oritt</div>
                          <div style=3D"color:rgb(51,51,255)">=C2=A0</div>
                        </div>
                        <br clear=3D"none">
                        <div>
                          <div dir=3D"ltr">On Sun, Mar 17, 2024 at 5:06=E2=
=80=AFPM
                            Bob Haskell &lt;<a shape=3D"rect" href=3D"mailt=
o:[email-masked]" rel=3D"nofollow noreferrer" target=3D"_blank">rc=
[email-masked]</a>&gt;
                            wrote:<br clear=3D"none">
                          </div>
                          <blockquote style=3D"margin:0px 0px 0px 0.8ex;bor=
der-left:1px solid rgb(204,204,204);padding-left:1ex">
                            <div>
                              <p>Mike,</p>
                              <p>The bearings are lubricated with the
                                rear axle oil.=C2=A0 No grease.=C2=A0 Oil f=
lows
                                between the axle shaft and the axle
                                housing to around to the bearing.=C2=A0 Yes=
,
                                the paper gasket has to be oil tight.=C2=A0
                                The oil seal keeps the oil from
                                lubricating the brake shoes.<br clear=3D"no=
ne">
                              </p>
                              <pre>Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
                              <div>On 3/17/24 16:13, mike brooks via
                                Healeys wrote:<br clear=3D"none">
                              </div>
                              <blockquote type=3D"cite"> Can someone
                                explain how the hub oil seals are meant
                                to work. They are inbord of the hub
                                bearings. Are the hubs meant to be
                                packed with grease? ( the service manual
                                suggests they should, but the same
                                manual doesn&#39;t tell you to pack the hub
                                with grease when changing hub bearings
                                and seals). Is the back axle oil
                                intended to pass across the oil seal to
                                the hub bearing? If so, then the paper
                                gasket in the hub flange to half-shaft
                                joint will need to be oil tight.
                                <div><br clear=3D"none">
                                </div>
                                <div>Thanks in advance for any help.</div>
                                <div><br clear=3D"none">
                                </div>
                                <div>Mike Brooks</div>
                                <div>56 BN2</div>
                                <div>Scotland</div>
                                <div><br>
                                </div>
                              </blockquote>
                            </div>
                          </blockquote>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </blockquote>
      </div>
    </blockquote>
  </div>

_______________________________________________<br>
rer noreferrer" target=3D"_blank">http://www.team.net/donate.html</a><br>
<br>
Archive: <a href=3D"http://www.team.net/pipermail/healeys" rel=3D"noreferre=
r noreferrer" target=3D"_blank">http://www.team.net/pipermail/healeys</a> <=
a href=3D"http://autox.team.net/archive/healeys" rel=3D"noreferrer noreferr=
er" target=3D"_blank">http://autox.team.net/archive/healeys</a><br>
<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"noreferr=
er">[email-masked]</a><br>
<a href=3D"http://autox.team.net/mailman/listinfo/healeys" rel=3D"noreferre=
r noreferrer" target=3D"_blank">http://autox.team.net/mailman/listinfo/heal=
eys</a><br>
<br>
s/[email-masked]" rel=3D"noreferrer noreferrer" target=3D"_blank">=
http://autox.team.net/mailman/options/healeys/[email-masked]</a><b=
r>
<br>
</blockquote></div>

--000000000000612e1f0614540aa0--

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[email-masked]

--===============6440218345585267369==--

---

From: warthodson--- via Healeys <[email-masked]>
Date: Sat, 23 Mar 2024 17:02:54 +0000 (UTC)

--===============5100862783166959310==
	boundary="----=_Part_560205_397052239.1711213374759"

------=_Part_560205_397052239.1711213374759
Content-Transfer-Encoding: quoted-printable

 John, Thanks for the information. I was not aware of the differences betwe=
en the early BN1, the BN2 & the later cars.=C2=A0Gary H
    On Saturday, March 23, 2024 at 07:25:35 AM CDT, john harper <ah100tech@=
gmail.com> wrote: =20
=20
 Gary
The BN2 rear hubs are a bad design relying on very accurate machining=C2=A0=
of the depth of the bearing location and an accurate bearing width. Toleran=
ces=C2=A0are very tight and it is hoped that a gachet of correct thickness =
will make a good oil seal and at the same time grip the bearing outer from =
turning in its housing.
This problem was addressed=C2=A0by the manufacturer=C2=A0and an extra grove=
 was machined in the face of the hup. Into this grove is fitted an 'O' ring=
 that will seal the gap between=C2=A0the hub and half shaft. This will seal=
 a wide range of tolerances and at the same time ensure that there is a goo=
d grip on the bearing outer.
If available the best solution is to find hubs for later=C2=A0big Healey an=
d fit these together with 'O' rings.
Another solution=C2=A0is to run a continuous ring of liquid=C2=A0gasket aro=
und the face of the hub before assembly. This is also the only effective se=
al on early BN1 hubs.
All the best
On Mon, 18 Mar 2024 at 18:02, warthodson--- via Healeys <[email-masked]=
.net> wrote:

[email-masked]

@earthlink.net

=20

[email-masked]

[email-masked]

[email-masked]

@gmail.com

 =20
------=_Part_560205_397052239.1711213374759
Content-Transfer-Encoding: quoted-printable

<html><head></head><body><div class=3D"ydp4f95730cyahoo-style-wrap" style=
=3D"font-family:Comic Sans MS, sans-serif;font-size:16px;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">John, Thanks for the informa=
tion. I was not aware of the differences between the early BN1, the BN2 &am=
p; the later cars.&nbsp;</div><div dir=3D"ltr" data-setdir=3D"false">Gary H=
</div><div><br></div>
       =20
        </div><div id=3D"ydpb85ba1c9yahoo_quoted_2143108386" class=3D"ydpb8=
5ba1c9yahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                        On Saturday, March 23, 2024 at 07:25:35 AM CDT, joh=
n harper &lt;[email-masked]&gt; wrote:
                    </div>
                    <div><br></div>
                    <div><br></div>
               =20
               =20
                <div><div id=3D"ydpb85ba1c9yiv4366777915"><div><div dir=3D"=
ltr">Gary<div><br clear=3D"none"></div><div>The BN2 rear hubs are a bad des=
ign relying on very accurate machining&nbsp;of the depth of the bearing loc=
ation and an accurate bearing width. Tolerances&nbsp;are very tight and it =
is hoped that a gachet of correct thickness will make a good oil seal and a=
t the same time grip the bearing outer from turning in its housing.</div><d=
iv><br clear=3D"none"></div><div>This problem was addressed&nbsp;by the man=
ufacturer&nbsp;and an extra grove was machined in the face of the hup. Into=
 this grove is fitted an 'O' ring that will seal the gap between&nbsp;the h=
ub and half shaft. This will seal a wide range of tolerances and at the sam=
e time ensure that there is a good grip on the bearing outer.</div><div><br=
 clear=3D"none"></div><div>If available the best solution is to find hubs f=
or later&nbsp;big Healey and fit these together with 'O' rings.</div><div><=
br clear=3D"none"></div><div>Another solution&nbsp;is to run a continuous r=
ing of liquid&nbsp;gasket around the face of the hub before assembly. This =
is also the only effective seal on early BN1 hubs.</div><div><br clear=3D"n=
one"></div><div>All the best</div></div><br clear=3D"none"><div class=3D"yd=
pb85ba1c9yiv4366777915gmail_quote"><div id=3D"ydpb85ba1c9yiv4366777915yqt73=
297" class=3D"ydpb85ba1c9yiv4366777915yqt5707494843"><div dir=3D"ltr" class=
=3D"ydpb85ba1c9yiv4366777915gmail_attr">On Mon, 18 Mar 2024 at 18:02, warth=
odson--- via Healeys &lt;<a shape=3D"rect" href=3D"mailto:[email-masked]=
m.net" rel=3D"nofollow" target=3D"_blank">[email-masked]</a>&gt; wr=
ote:<br clear=3D"none"></div><blockquote style=3D"margin:0px 0px 0px 0.8ex;=
border-left:1px solid rgb(204,204,204);padding-left:1ex;" class=3D"ydpb85ba=
1c9yiv4366777915gmail_quote"><div><div style=3D"font-family:Sans sans-serif=
;font-size:16px;"><div></div>
        <div dir=3D"ltr">The work shop manual refers to a specific dimensio=
n that the paper gasket must stand proud of the steel ring spacer.</div><di=
v dir=3D"ltr">The gaskets that I received from a well known supplier were t=
oo thin. I made my own &amp; have never had a leak or a bearing failure, so=
 far, 15-20 years!</div><div dir=3D"ltr">Gary Hodson</div><div><br clear=3D=
"none"></div>
       =20
        </div><div id=3D"ydpb85ba1c9yiv4366777915m_-3944875174496281455ydp6=
62d60cyahoo_quoted_1217414981">
            <div style=3D"font-family:Helvetica, Arial, sans-serif;font-siz=
e:13px;color:rgb(38,40,42);">
               =20
                <div>
                    On Monday, March 18, 2024 at 11:15:39 AM CDT, Bob Spide=
ll &lt;<a shape=3D"rect" href=3D"mailto:[email-masked]" rel=3D"nofoll=
ow" target=3D"_blank">[email-masked]</a>&gt; wrote:
                </div>
                <div><br clear=3D"none"></div>
                <div><br clear=3D"none"></div>
                <div><div id=3D"ydpb85ba1c9yiv4366777915m_-3944875174496281=
455ydp662d60cyiv6546823410"><div>
    Tom Monaco told me he's replaced a large number of spun axle
    bearings--IIRC he said 'a hundred' or so--over the last few years.
    I'm not sure exactly what you'd look for that presages that problem,
    but something to keep in mind. It's not particularly easy to get the
    requisite torque on the big eight-sided nut that clamps the inner
    race; knocking it on with a hammer and chisel isn't a good solution
    (I use a purpose-made large socket and a 3/4" air impact driver).
    They can spin in the hub as well.<br clear=3D"none">
    <br clear=3D"none">
    Moss sells a reg. seal for $2.79 and a 'premium' for $21.99; I
    couldn't tell you the difference except the cheap one is a 'no name'
    and the 'premium' was a (generally) good brand (maybe Timken or SK;
    I don't recall). Worth it or just 'marketing?' Beats me, but given
    the hassle of this job I went for 'premium.'<br clear=3D"none">
    <br clear=3D"none">
    <br clear=3D"none">
    <div id=3D"ydpb85ba1c9yiv4366777915m_-3944875174496281455ydp662d60cyiv6=
546823410yqtfd89942"><div>On 3/17/2024 5:23 PM, Michael Oritt
      wrote:<br clear=3D"none">
    </div>
    <blockquote type=3D"cite">
      </blockquote></div></div><div id=3D"ydpb85ba1c9yiv4366777915m_-394487=
5174496281455ydp662d60cyiv6546823410yqtfd04690"></div><div><div id=3D"ydpb8=
5ba1c9yiv4366777915m_-3944875174496281455ydp662d60cyiv6546823410yqtfd78669"=
><div dir=3D"ltr">
        <div style=3D"color:rgb(51,51,255);">What Bob
          says.&nbsp;&nbsp;</div>
        <div style=3D"color:rgb(51,51,255);"><br clear=3D"none">
        </div>
        <div style=3D"color:rgb(51,51,255);">The inner seal
          on the axle is the critical&nbsp;piece and if there is wear on th=
e
          sealing surface you will need to fit a Speedi-Sleeve or
          similar repair piece.</div>
        <div style=3D"color:rgb(51,51,255);">BTW SKF and
          others make what&nbsp;they&nbsp;call semi-sealed or sealed bearin=
gs with
          plastic or fibre pieces on one or both sides of the bearing
          but since the sealed ones are not filled with oil I have never
          understood how they are supposed to get lubrication.</div>
        <div style=3D"color:rgb(51,51,255);"><br clear=3D"none">
        </div>
        <div style=3D"color:rgb(51,51,255);">Best--Michael
          Oritt</div>
        <div style=3D"color:rgb(51,51,255);">&nbsp;</div>
      </div>
      <br clear=3D"none">
      <div>
        <div dir=3D"ltr">On Sun, Mar 17, 2024 at
          5:06=E2=80=AFPM Bob Haskell &lt;<a shape=3D"rect" href=3D"mailto:=
[email-masked]" rel=3D"nofollow" target=3D"_blank">rchaskell@earth=
link.net</a>&gt;
          wrote:<br clear=3D"none">
        </div>
        <blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid=
 rgb(204,204,204);padding-left:1ex;">
          <div>
            <p>Mike,</p>
            <p>The bearings are lubricated with the rear axle oil.&nbsp; No
              grease.&nbsp; Oil flows between the axle shaft and the axle
              housing to around to the bearing.&nbsp; Yes, the paper gasket
              has to be oil tight.&nbsp; The oil seal keeps the oil from
              lubricating the brake shoes.<br clear=3D"none">
            </p>
            <pre>Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
            <div>On 3/17/24 16:13, mike brooks via Healeys wrote:<br clear=
=3D"none">
            </div>
            <blockquote type=3D"cite"> Can someone explain how the hub oil
              seals are meant to work. They are inbord of the hub
              bearings. Are the hubs meant to be packed with grease? (
              the service manual suggests they should, but the same
              manual doesn't tell you to pack the hub with grease when
              changing hub bearings and seals). Is the back axle oil
              intended to pass across the oil seal to the hub bearing?
              If so, then the paper gasket in the hub flange to
              half-shaft joint will need to be oil tight.
              <div><br clear=3D"none">
              </div>
              <div>Thanks in advance for any help.</div>
              <div><br clear=3D"none">
              </div>
              <div>Mike Brooks</div>
              <div>56 BN2</div>
              <div>Scotland</div>
              <div><br clear=3D"none">
                <div id=3D"ydpb85ba1c9yiv4366777915m_-3944875174496281455yd=
p662d60cyiv6546823410m_5674886393102479375m_-6882621864568873448ymail_andro=
id_signature"><a shape=3D"rect" id=3D"ydpb85ba1c9yiv4366777915m_-3944875174=
496281455ydp662d60cyiv6546823410m_5674886393102479375m_-6882621864568873448=
ymail_android_signature_link" href=3D"https://mail.onelink.me/107872968?pid=
=3DNativePlacement&amp;c=3DGlobal_Acquisition_YMktg_315_EmailSignatureGrowt=
h_YahooMail:Search,Organize,Conquer&amp;af_sub1=3DAcquisition&amp;af_sub2=
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zeConquer__Static_" rel=3D"nofollow" target=3D"_blank">Yahoo Mail:
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              </div>
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              <fieldset></fieldset>
              <pre>_______________________________________________
 rel=3D"nofollow" target=3D"_blank">http://www.team.net/donate.html</a>

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81455ydp662d60cyiv6546823410yqtfd38384">___________________________________=
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ailman/options/healeys/[email-masked]" rel=3D"nofollow" target=3D"_bl=
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------=_Part_560205_397052239.1711213374759--

--===============5100862783166959310==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

[email-masked]

--===============5100862783166959310==--

---

From: john harper <[email-masked]>
Date: Sat, 23 Mar 2024 22:44:12 +0000

--===============8190399539007902756==

--00000000000089571706145baefc
Content-Transfer-Encoding: quoted-printable

Garry

The early BN1 hub started life on early A40 and A70 salons etc. It was then
improved and was then fitted to A40 Somerset and A70 Hereford, and later
A90 Atlamtics and derivatives but not the A70 pickup that had 6 stud hubs
and wheels.

These could be said to be Austin hubs.

When BMC produced cars like the A90 Westminster they strengthened all the
hubs. steering arms etc. The later BN1s and BN2s had these heavier 'BMC' 5
stud rear hubs also fitted to most BMC cars and light commercials.

Later big A-Hs fitted these BMC parts such as derivatives of the A90
Westminster including the gearbox and engine. The BN1 and BN2 4chulinder
engine did not continue as an A-H engine but did continue on BMC light
commercials and also the London Taxi albeit mainly as a Diesel.

Regards

On Sat, 23 Mar 2024 at 17:03, [email-masked] <[email-masked]> wrote=
:

> John, Thanks for the information. I was not aware of the differences
> between the early BN1, the BN2 & the later cars.
> Gary H
>
> On Saturday, March 23, 2024 at 07:25:35 AM CDT, john harper <
> [email-masked]> wrote:
>
>
> Gary
>
at
t
g
n
t
r
h
net>
s
s,
(
?
ive/healeys
[email-masked]
> _______________________________________________ Support Team.Net
> http://www.team.net/donate.html Suggested annual donation $12.75 Archive:
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> http://autox.team.net/mailman/listinfo/healeys Unsubscribe/Manage:

--00000000000089571706145baefc
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Garry<div><br></div><div>The early BN1 hub started life on=
 early A40 and A70 salons=C2=A0etc. It was then improved and was then fitte=
d to A40 Somerset and A70 Hereford, and later A90 Atlamtics and derivatives=
=C2=A0but not the A70 pickup that had 6 stud hubs and wheels.=C2=A0</div><d=
iv><br></div><div>These could be said to be Austin hubs.=C2=A0</div><div><b=
r></div><div>When BMC produced cars like the A90 Westminster they strengthe=
ned all the hubs. steering arms etc. The later BN1s and BN2s had these heav=
ier &#39;BMC&#39; 5 stud rear hubs also fitted to most BMC cars and light c=
ommercials.</div><div><br></div><div>Later big A-Hs fitted these BMC parts =
such as derivatives=C2=A0of the A90 Westminster including the gearbox and e=
ngine. The BN1 and BN2 4chulinder engine did not continue as an A-H engine =
but did continue on BMC light commercials and also the London Taxi albeit m=
ainly=C2=A0as a Diesel.</div><div><br></div><div>Regards</div></div><br><di=
v class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, 23 Ma=
r 2024 at 17:03, <a href=3D"mailto:[email-masked]">[email-masked]</=
a> &lt;<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wro=
te:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div st=
yle=3D"font-family:&quot;Comic Sans MS&quot;,sans-serif;font-size:16px"><di=
v></div>
        <div dir=3D"ltr">John, Thanks for the information. I was not aware =
of the differences between the early BN1, the BN2 &amp; the later cars.=C2=
=A0</div><div dir=3D"ltr">Gary H</div><div><br></div>
       =20
        </div><div id=3D"m_-6662242419409154158ydpb85ba1c9yahoo_quoted_2143=
108386">
            <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
               =20
                <div>
                        On Saturday, March 23, 2024 at 07:25:35 AM CDT, joh=
n harper &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank">ah100=
[email-masked]</a>&gt; wrote:
                    </div>
                    <div><br></div>
                    <div><br></div>
               =20
               =20
                <div><div id=3D"m_-6662242419409154158ydpb85ba1c9yiv4366777=
915"><div><div dir=3D"ltr">Gary<div><br clear=3D"none"></div><div>The BN2 r=
ear hubs are a bad design relying on very accurate machining=C2=A0of the de=
pth of the bearing location and an accurate bearing width. Tolerances=C2=A0=
are very tight and it is hoped that a gachet of correct thickness will make=
 a good oil seal and at the same time grip the bearing outer from turning i=
n its housing.</div><div><br clear=3D"none"></div><div>This problem was add=
ressed=C2=A0by the manufacturer=C2=A0and an extra grove was machined in the=
 face of the hup. Into this grove is fitted an &#39;O&#39; ring that will s=
eal the gap between=C2=A0the hub and half shaft. This will seal a wide rang=
e of tolerances and at the same time ensure that there is a good grip on th=
e bearing outer.</div><div><br clear=3D"none"></div><div>If available the b=
est solution is to find hubs for later=C2=A0big Healey and fit these togeth=
er with &#39;O&#39; rings.</div><div><br clear=3D"none"></div><div>Another =
solution=C2=A0is to run a continuous ring of liquid=C2=A0gasket around the =
face of the hub before assembly. This is also the only effective seal on ea=
rly BN1 hubs.</div><div><br clear=3D"none"></div><div>All the best</div></d=
iv><br clear=3D"none"><div><div id=3D"m_-6662242419409154158ydpb85ba1c9yiv4=
366777915yqt73297"><div dir=3D"ltr">On Mon, 18 Mar 2024 at 18:02, warthodso=
n--- via Healeys &lt;<a shape=3D"rect" href=3D"mailto:[email-masked]=
t" rel=3D"nofollow" target=3D"_blank">[email-masked]</a>&gt; wrote:=
<br clear=3D"none"></div><blockquote style=3D"margin:0px 0px 0px 0.8ex;bord=
er-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style=3D"fon=
t-family:&quot;Sans sans-serif&quot;;font-size:16px"><div></div>
        <div dir=3D"ltr">The work shop manual refers to a specific dimensio=
n that the paper gasket must stand proud of the steel ring spacer.</div><di=
v dir=3D"ltr">The gaskets that I received from a well known supplier were t=
oo thin. I made my own &amp; have never had a leak or a bearing failure, so=
 far, 15-20 years!</div><div dir=3D"ltr">Gary Hodson</div><div><br clear=3D=
"none"></div>
       =20
        </div><div id=3D"m_-6662242419409154158ydpb85ba1c9yiv4366777915m_-3=
944875174496281455ydp662d60cyahoo_quoted_1217414981">
            <div style=3D"font-family:Helvetica,Arial,sans-serif;font-size:=
13px;color:rgb(38,40,42)">
               =20
                <div>
                    On Monday, March 18, 2024 at 11:15:39 AM CDT, Bob Spide=
ll &lt;<a shape=3D"rect" href=3D"mailto:[email-masked]" rel=3D"nofoll=
ow" target=3D"_blank">[email-masked]</a>&gt; wrote:
                </div>
                <div><br clear=3D"none"></div>
                <div><br clear=3D"none"></div>
                <div><div id=3D"m_-6662242419409154158ydpb85ba1c9yiv4366777=
915m_-3944875174496281455ydp662d60cyiv6546823410"><div>
    Tom Monaco told me he&#39;s replaced a large number of spun axle
    bearings--IIRC he said &#39;a hundred&#39; or so--over the last few yea=
rs.
    I&#39;m not sure exactly what you&#39;d look for that presages that pro=
blem,
    but something to keep in mind. It&#39;s not particularly easy to get th=
e
    requisite torque on the big eight-sided nut that clamps the inner
    race; knocking it on with a hammer and chisel isn&#39;t a good solution
    (I use a purpose-made large socket and a 3/4&quot; air impact driver).
    They can spin in the hub as well.<br clear=3D"none">
    <br clear=3D"none">
    Moss sells a reg. seal for $2.79 and a &#39;premium&#39; for $21.99; I
    couldn&#39;t tell you the difference except the cheap one is a &#39;no =
name&#39;
    and the &#39;premium&#39; was a (generally) good brand (maybe Timken or=
 SK;
    I don&#39;t recall). Worth it or just &#39;marketing?&#39; Beats me, bu=
t given
    the hassle of this job I went for &#39;premium.&#39;<br clear=3D"none">
    <br clear=3D"none">
    <br clear=3D"none">
    <div id=3D"m_-6662242419409154158ydpb85ba1c9yiv4366777915m_-39448751744=
96281455ydp662d60cyiv6546823410yqtfd89942"><div>On 3/17/2024 5:23 PM, Micha=
el Oritt
      wrote:<br clear=3D"none">
    </div>
    <blockquote type=3D"cite">
      </blockquote></div></div><div id=3D"m_-6662242419409154158ydpb85ba1c9=
yiv4366777915m_-3944875174496281455ydp662d60cyiv6546823410yqtfd04690"></div=
><div><div id=3D"m_-6662242419409154158ydpb85ba1c9yiv4366777915m_-394487517=
4496281455ydp662d60cyiv6546823410yqtfd78669"><div dir=3D"ltr">
        <div style=3D"color:rgb(51,51,255)">What Bob
          says.=C2=A0=C2=A0</div>
        <div style=3D"color:rgb(51,51,255)"><br clear=3D"none">
        </div>
        <div style=3D"color:rgb(51,51,255)">The inner seal
          on the axle is the critical=C2=A0piece and if there is wear on th=
e
          sealing surface you will need to fit a Speedi-Sleeve or
          similar repair piece.</div>
        <div style=3D"color:rgb(51,51,255)">BTW SKF and
          others make what=C2=A0they=C2=A0call semi-sealed or sealed bearin=
gs with
          plastic or fibre pieces on one or both sides of the bearing
          but since the sealed ones are not filled with oil I have never
          understood how they are supposed to get lubrication.</div>
        <div style=3D"color:rgb(51,51,255)"><br clear=3D"none">
        </div>
        <div style=3D"color:rgb(51,51,255)">Best--Michael
          Oritt</div>
        <div style=3D"color:rgb(51,51,255)">=C2=A0</div>
      </div>
      <br clear=3D"none">
      <div>
        <div dir=3D"ltr">On Sun, Mar 17, 2024 at
          5:06=E2=80=AFPM Bob Haskell &lt;<a shape=3D"rect" href=3D"mailto:=
[email-masked]" rel=3D"nofollow" target=3D"_blank">rchaskell@earth=
link.net</a>&gt;
          wrote:<br clear=3D"none">
        </div>
        <blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid=
 rgb(204,204,204);padding-left:1ex">
          <div>
            <p>Mike,</p>
            <p>The bearings are lubricated with the rear axle oil.=C2=A0 No
              grease.=C2=A0 Oil flows between the axle shaft and the axle
              housing to around to the bearing.=C2=A0 Yes, the paper gasket
              has to be oil tight.=C2=A0 The oil seal keeps the oil from
              lubricating the brake shoes.<br clear=3D"none">
            </p>
            <pre>Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
            <div>On 3/17/24 16:13, mike brooks via Healeys wrote:<br clear=
=3D"none">
            </div>
            <blockquote type=3D"cite"> Can someone explain how the hub oil
              seals are meant to work. They are inbord of the hub
              bearings. Are the hubs meant to be packed with grease? (
              the service manual suggests they should, but the same
              manual doesn&#39;t tell you to pack the hub with grease when
              changing hub bearings and seals). Is the back axle oil
              intended to pass across the oil seal to the hub bearing?
              If so, then the paper gasket in the hub flange to
              half-shaft joint will need to be oil tight.
              <div><br clear=3D"none">
              </div>
              <div>Thanks in advance for any help.</div>
              <div><br clear=3D"none">
              </div>
              <div>Mike Brooks</div>
              <div>56 BN2</div>
              <div>Scotland</div>
              <div><br clear=3D"none">
                <div id=3D"m_-6662242419409154158ydpb85ba1c9yiv4366777915m_=
-3944875174496281455ydp662d60cyiv6546823410m_5674886393102479375m_-68826218=
64568873448ymail_android_signature"><a shape=3D"rect" id=3D"m_-666224241940=
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ref=3D"https://mail.onelink.me/107872968?pid=3DNativePlacement&amp;c=3DGlob=
al_Acquisition_YMktg_315_EmailSignatureGrowth_YahooMail:Search,Organize,Con=
quer&amp;af_sub1=3DAcquisition&amp;af_sub2=3DGlobal_YMktg&amp;af_sub3=3D&am=
p;af_sub4=3D100000945&amp;af_sub5=3DOrganizeConquer__Static_" rel=3D"nofoll=
ow" target=3D"_blank">Yahoo Mail:
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              <pre>_______________________________________________
 rel=3D"nofollow" target=3D"_blank">http://www.team.net/donate.html</a>

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          <a shape=3D"rect" href=3D"mailto:[email-masked]" rel=3D"n=
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      <fieldset></fieldset>
      </div><pre></pre><div id=3D"m_-6662242419409154158ydpb85ba1c9yiv43667=
77915m_-3944875174496281455ydp662d60cyiv6546823410yqtfd38384">_____________=
__________________________________
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ailman/options/healeys/[email-masked]" rel=3D"nofollow" target=3D"_bl=
ank">http://autox.team.net/mailman/options/healeys/[email-masked]</a>=
<div id=3D"m_-6662242419409154158ydpb85ba1c9yiv4366777915m_-394487517449628=
1455ydp662d60cyiv6546823410yqtfd94502">

</div><div id=3D"m_-6662242419409154158ydpb85ba1c9yiv4366777915m_-394487517=
4496281455ydp662d60cyiv6546823410yqtfd17820">
   =20
    <br clear=3D"none">
  </div></div></div><div id=3D"m_-6662242419409154158ydpb85ba1c9yiv43667779=
15m_-3944875174496281455ydp662d60cyqtfd92374">_____________________________=
__________________<br clear=3D"none">Support Team.Net <a shape=3D"rect" hre=
f=3D"http://www.team.net/donate.html" rel=3D"nofollow" target=3D"_blank">ht=
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on=C2=A0 $12.75<br clear=3D"none"><br clear=3D"none">Archive: <a shape=3D"r=
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ptions/healeys/[email-masked]</a><br clear=3D"none"><br clear=3D"none">=
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r=3D"none">
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Archive: <a shape=3D"rect" href=3D"http://www.team.net/pipermail/healeys" r=
el=3D"nofollow" target=3D"_blank">http://www.team.net/pipermail/healeys</a>=
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arget=3D"_blank">[email-masked]</a><br clear=3D"none">
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tp://autox.team.net/mailman/options/healeys/[email-masked]</a><br clea=
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