[Fot] variation in Timken carrier bearing width?

[Jason Sukey]

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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