[Fot] variation in Timken carrier bearing width?

[John Styduhar]

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 at 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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