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Re: [Fot] variation in Timken carrier bearing width?

To: Jason Sukey <jsukey@gmail.com>
Subject: Re: [Fot] variation in Timken carrier bearing width?
From: John Styduhar <johnstydo@gmail.com>
Date: Thu, 29 Sep 2016 12:52:19 -0400
Cc: FOT list <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <CAMmo4o9uUokV+oxABfxzhjQsXNZX9eUWOU4CQONJ460ATEuxDA@mail.gmail.com>
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Some of the USA-stamped Timkens even look cheap when you compare them to
the England-made.  I wouldn't be surprised if they were made overseas. If
there is nothing wrong with your old bearings, why replace them?

On Thu, Sep 29, 2016 at 8:59 AM, Jason Sukey <jsukey@gmail.com> wrote:

> Has anyone else noticed rather large variation in carrier bearing width's
> when rebuilding a spitfire differential?  The one I'm building right now,
> I've replaced what I suspect are the original bearings (Timken England)
> with brand new Timken USA bearings.  In order to reach the required .004"
> preload, it will require .012" LESS total shim than what was in there
> originally.  That seems like a big difference with the only variable being
> new bearings.  I'm using the same housing, same carrier, the bearings
> visually look to be fully pressed home.  Anyone else experience this?
>
> Thanks,
>
> Jason Sukey
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">Som=
e of the USA-stamped Timkens even look cheap when you compare them to the E=
ngland-made.=C2=A0 I wouldn&#39;t be surprised if they were made overseas. =
If there is nothing wrong with your old bearings, why replace them?</div></=
div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Thu, Sep 2=
9, 2016 at 8:59 AM, Jason Sukey <span dir=3D"ltr">&lt;<a href=3D"mailto:jsu=
key@gmail.com" target=3D"_blank">jsukey@gmail.com</a>&gt;</span> wrote:<br>=
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">Has anyone else noticed rat=
her large variation in carrier bearing width&#39;s when rebuilding a spitfi=
re differential?=C2=A0 The one I&#39;m building right now, I&#39;ve replace=
d what I suspect are the original bearings (Timken England) with brand new =
Timken USA bearings.=C2=A0 In order to reach the required .004&quot; preloa=
d, it will require .012&quot; LESS total shim than what was in there origin=
ally.=C2=A0 That seems like a big difference with the only variable being n=
ew bearings.=C2=A0 I&#39;m using the same housing, same carrier, the bearin=
gs visually look to be fully pressed home.=C2=A0 Anyone else experience thi=
s?<div><br></div><div>Thanks,<br><div><br></div><div>Jason Sukey</div></div=
></div>
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<br></blockquote></div><br></div>

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