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There is a thread from 2020 about the bearings. =C2=A0Here is what I had p=
osted back then;"The Moser package that I have, which came with 2 bearings =
and 2 press on retainers is part number MSR-9507F.=C2=A0 The bearing is an =
RW507E, 1.377 ID and 2.834 OD.=C2=A0 JoeB"
Here are some other posts from that thread:
The Timken number that I tried using is RW507ER.=C2=A0 Perhaps the Suffix R=
is the radius designation.=C2=A0 In any event, it doesn't really cross wit=
h the Green bearing used for the Moser axle and I could not get a different=
Timken bearing.=C2=A0 The inner races have a different radius on the i.d.=
=C2=A0 I alway use Timken, but not this time.=C2=A0 Southwick will also sen=
d you Green bearings.=C2=A0 Number RW507E.=C2=A0
Dave H.=C2=A0
Sent from my iPad
> On Dec 29, 2020, at 5:10 PM, Phil Gott <vfracing@aol.com> wrote:
>=C2=A0
> Thanks, guys!
> The seal that failed is not the O-ring. It is the seal in the bearing its=
elf. Gear oil from the differential is slowly working its way into the bear=
ing and diluting the grease, which is getting thrown out onto the brakes.
> Much appreciate the responses. I had not heard of =E2=80=9CGreen=E2=80=9D=
bearings as a brand before. Good to know that the chamfer radii are differ=
ent from Timken.
> In googling the part numbers it looks like Moser actually sells the beari=
ng and retainer as a set available from jEGS, Summit, etc.
> Thanks very much, everyone! And for such fast responses. What a great gro=
up!
> Phil
>=C2=A0
> Sent from my iPhone
>=C2=A0
>> On Dec 29, 2020, at 7:54 PM, Dave <dlhogye@comcast.net> wrote:
>>=C2=A0
>> =EF=BB=BFCheck the radius of the Timken bearing closely and make sure it=
will fit, or is larger than the radius on the axle flange before you insta=
ll it.=C2=A0 Moser axles don't come with Timken bearings.=C2=A0 They come w=
ith Green bearings.=C2=A0 The first time I used Timken, I found that the ra=
dius of the bearing interferes with the radius of the axle and keeps the be=
aring from going on as it should.=C2=A0 There was about .015" gap.=C2=A0=C2=
=A0
>> The numbers on the Green box are 9507F RW507E.=C2=A0 I asked the auto pa=
rts guy to get me the Timken cross and when installing it, noticed I could =
press it on all the way, leaving a gap to the shoulder.=C2=A0
>> Dave H.
On Monday, January 19, 2026 at 10:28:22 PM EST, DAVE HOGYE via Fot <fot=
@autox.team.net> wrote: =20
=20
Glen, I should have kept the FoT in the thread.=C2=A0 Important stuff=
. I noticed this the first time I changed bearings.=C2=A0 If I remember c=
orrectly, Timken, which I prefer, had a smaller radius and it didn't seat a=
ll the way.=C2=A0 It was seating down in the radius of the bearing.=C2=A0 O=
f course I didn't think to check that radius before installing it.=C2=A0 Gr=
een and Timken obviously have a different radius.=C2=A0 I believe Southwick=
and Moser use the Green bearings.=C2=A0 There may be different part number=
s from these companies for different dimensions for the radius.=C2=A0 I thi=
nk the basic number is 9507.=C2=A0 =C2=A0So, there might be a Timken with t=
he needed radius.=C2=A0 The Green number is 9507F or RW507E.=C2=A0=C2=A0 =
=C2=A0 Dave H.=C2=A0
=20
=20
=20
=20
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
o.com
=20
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<html><head></head><body><div class=3D"ydp6d489986yahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">There is a thread from 2020 =
about the bearings. Here is what I had posted back then;</div><div di=
r=3D"ltr" data-setdir=3D"false">"The Moser package that I have, which came =
with 2 bearings and 2 press on retainers is part number MSR-9507F. Th=
e bearing is an RW507E, 1.377 ID and 2.834 OD. JoeB"</div><div dir=3D=
"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false=
">Here are some other posts from that thread:</div><div dir=3D"ltr" data-se=
tdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false"><div><div c=
lass=3D"ydp28affc3bjb_0 ydp28affc3bX_6MGW ydp28affc3bN_6Fd5" style=3D"outli=
ne-color: currentcolor !important;"><div style=3D"outline-color: currentcol=
or !important;"><div dir=3D"ltr" style=3D"outline-color: currentcolor !impo=
rtant;">The Timken number that I tried using is RW507ER. Perhaps the =
Suffix R is the radius designation. In any event, it doesn't really c=
ross with the Green bearing used for the Moser axle and I could not get a d=
ifferent Timken bearing. The inner races have a different radius on t=
he i.d. I alway use Timken, but not this time. Southwick will a=
lso send you Green bearings. Number RW507E. <br clear=3D"none" s=
tyle=3D"outline-color: currentcolor !important;">Dave H. <br clear=3D"=
none" style=3D"outline-color: currentcolor !important;"><br clear=3D"none" =
style=3D"outline-color: currentcolor !important;">Sent from my iPad<br clea=
r=3D"none" style=3D"outline-color: currentcolor !important;"></div></div></=
div><div class=3D"ydp28affc3bjb_0 ydp28affc3bX_6MGW ydp28affc3bN_6Fd5" styl=
e=3D"outline-color: currentcolor !important;"><div style=3D"outline-color: =
currentcolor !important;"><div style=3D"outline-color: currentcolor !import=
ant;"><div class=3D"ydp28affc3bqtd-body" style=3D"border-left-width: 1px; b=
order-left-style: solid; border-left-color: rgb(204, 204, 204); margin: 0px=
; padding: 8px; outline-color: currentcolor !important;"><div class=3D"ydp2=
8affc3byqt3884138464" id=3D"ydp28affc3byqtfd14290" style=3D"outline-color: =
currentcolor !important;"><br clear=3D"none" style=3D"outline-color: curren=
tcolor !important;">> On Dec 29, 2020, at 5:10 PM, Phil Gott <<a shap=
e=3D"rect" href=3D"mailto:vfracing@aol.com"; style=3D"text-decoration-style:=
solid; text-decoration-color: currentcolor; outline-color: currentcolor !i=
mportant;" rel=3D"nofollow" target=3D"_blank">vfracing@aol.com</a>> wrot=
e:<br clear=3D"none" style=3D"outline-color: currentcolor !important;">>=
<br clear=3D"none" style=3D"outline-color: currentcolor !important;">=
> Thanks, guys!<br clear=3D"none" style=3D"outline-color: currentcolor !=
important;">> The seal that failed is not the O-ring. It is the seal in =
the bearing itself. Gear oil from the differential is slowly working its wa=
y into the bearing and diluting the grease, which is getting thrown out ont=
o the brakes.<br clear=3D"none" style=3D"outline-color: currentcolor !impor=
tant;">> Much appreciate the responses. I had not heard of =E2=80=9CGree=
n=E2=80=9D bearings as a brand before. Good to know that the chamfer radii =
are different from Timken.<br clear=3D"none" style=3D"outline-color: curren=
tcolor !important;">> In googling the part numbers it looks like Moser a=
ctually sells the bearing and retainer as a set available from jEGS, Summit=
, etc.<br clear=3D"none" style=3D"outline-color: currentcolor !important;">=
> Thanks very much, everyone! And for such fast responses. What a great =
group!<br clear=3D"none" style=3D"outline-color: currentcolor !important;">=
> Phil<br clear=3D"none" style=3D"outline-color: currentcolor !important=
;">> <br clear=3D"none" style=3D"outline-color: currentcolor !impor=
tant;">> Sent from my iPhone<br clear=3D"none" style=3D"outline-color: c=
urrentcolor !important;">> <br clear=3D"none" style=3D"outline-colo=
r: currentcolor !important;">>> On Dec 29, 2020, at 7:54 PM, Dave <=
;<a shape=3D"rect" href=3D"mailto:dlhogye@comcast.net"; style=3D"text-decora=
tion-style: solid; text-decoration-color: currentcolor; outline-color: curr=
entcolor !important;" rel=3D"nofollow" target=3D"_blank">dlhogye@comcast.ne=
t</a>> wrote:<br clear=3D"none" style=3D"outline-color: currentcolor !im=
portant;">>> <br clear=3D"none" style=3D"outline-color: currentc=
olor !important;">>> =EF=BB=BFCheck the radius of the Timken bearing =
closely and make sure it will fit, or is larger than the radius on the axle=
flange before you install it. Moser axles don't come with Timken bea=
rings. They come with Green bearings. The first time I used Tim=
ken, I found that the radius of the bearing interferes with the radius of t=
he axle and keeps the bearing from going on as it should. There was a=
bout .015" gap. <br clear=3D"none" style=3D"outline-color: curre=
ntcolor !important;">>> The numbers on the Green box are 9507F RW507E=
. I asked the auto parts guy to get me the Timken cross and when inst=
alling it, noticed I could press it on all the way, leaving a gap to the sh=
oulder. <br clear=3D"none" style=3D"outline-color: currentcolor !impor=
tant;">>> Dave H.</div></div></div></div></div></div></div><div><br><=
/div>
=20
</div><div id=3D"ydp18209e53yahoo_quoted_8887345848" class=3D"ydp18=
209e53yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Monday, January 19, 2026 at 10:28:22 PM EST, DAV=
E HOGYE via Fot <fot@autox.team.net> wrote:
</div>
<div><br></div>
<div><br></div>
=20
=20
<div><div id=3D"ydp18209e53yiv2001255019">
=20
=20
=20
<div>
<div style=3D"font-size:12pt;font-family:helvetica, arial, sans-serif;col=
or:#333333;">
<span style=3D"font-family:helvetica;font-size:12pt;">Glen,</span>
</div>=20
<div style=3D"font-size:12pt;font-family:helvetica, arial, sans-serif;col=
or:#333333;" class=3D"ydp18209e53yiv2001255019default-style">
<span style=3D"font-family:helvetica;font-size:12pt;">I should have kept=
the FoT in the thread. Important stuff.</span>
</div>=20
<div style=3D"font-size:12pt;font-family:helvetica, arial, sans-serif;col=
or:#333333;" class=3D"ydp18209e53yiv2001255019default-style">
<span style=3D"font-family:helvetica;font-size:12pt;">I noticed this the=
first time I changed bearings. If I remember correctly, Timken, whic=
h I prefer, had a smaller radius and it didn't seat all the way. It w=
as seating down in the radius of the bearing. Of course I didn't thin=
k to check that radius before installing it. Green and Timken obvious=
ly have a different radius. I believe Southwick and Moser use the Gre=
en bearings. There may be different part numbers from these companies=
for different dimensions for the radius. I think the basic number is=
9507. So, there might be a Timken with the needed radius. =
; The Green number is 9507F or RW507E. </span>
</div>=20
<div style=3D"font-size:12pt;font-family:helvetica, arial, sans-serif;col=
or:#333333;" class=3D"ydp18209e53yiv2001255019default-style">
</div>=20
<div style=3D"font-size:12pt;font-family:helvetica, arial, sans-serif;col=
or:#333333;" class=3D"ydp18209e53yiv2001255019default-style">
<span style=3D"font-family:helvetica;font-size:12pt;">Dave H. </spa=
n></div><blockquote type=3D"cite">=20
<div id=3D"ydp18209e53yiv2001255019ydp1e43c2d1yahoo_quoted_9210540391" c=
lass=3D"ydp18209e53yiv2001255019ydp1e43c2d1yahoo_quoted"><div style=3D"font=
-family:Arial, Helvetica, sans-serif;font-size:16px;" class=3D"ydp18209e53y=
iv2001255019ydp1e43c2d1yahoo-style-wrap"><div style=3D"font-family:'Helveti=
ca Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;border-=
left:1px solid #ccc;padding-left:8px;margin:0px 0px 0px 8px;" class=3D"ydp1=
8209e53yiv2001255019ydp1e43c2d1inline_reply_quote_container"><div><div id=
=3D"ydp18209e53yiv2001255019ydp1e43c2d1yiv9099965939"><div><div><blockquote=
type=3D"cite"><div dir=3D"ltr"><div id=3D"ydp18209e53yiv2001255019ydp1e43c=
2d1yiv9099965939yqtfd71793" class=3D"ydp18209e53yiv2001255019ydp1e43c2d1yiv=
9099965939yqt1094362136">
<br clear=3D"none">
</div>=20
</div>=20
</blockquote>=20
</div>=20
</div>=20
</div>=20
</div>=20
</div>=20
</div>=20
</div>=20
</blockquote>
</div>
</div>_______________________________________________<br><a href=3D"mailto:=
fot@autox.team.net" rel=3D"nofollow" target=3D"_blank">fot@autox.team.net</=
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_blank">http://www.fot-racing.com</a><br><br>Donate: <a href=3D"http://www.=
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_______________________________________________
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http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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