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Re: TR4 differential Timken bearing numbers

To: triumphs@autox.team.net
Subject: Re: TR4 differential Timken bearing numbers
From: "J.C. Hassall" <jhassall@blacksburg.net>
Date: Thu, 29 Jan 2004 20:52:14 -0500
At 14:33 1/23/2004 -0500, you wrote:
>In case anyone cares, here are the Timken numbers for the TR4, solid axle 
>TR4A differential bearings:
>
>Moss item number, p/n, Timken number, use
>21      125-600         3188S           pinion head
>24      525-090         15100SR pinion tail
>8       525-070         16150           carrier bearings
>
>I don't have current pricing, but I'll post that info as soon as I get it.


Listers,

I posted this a few days ago, only to find out that the number etched in 
the cone is NOT the bearing number.  Apparently the cone ("outer race" to 
this former Mechanical Engineer) can be replaced independently of the 
bearing bits.  I wouldn't think of replacing one without the other, but I 
digress.  Scott Tilton shared his research on bearings with me (tnx Scott), 
so I decided bag my effort to find them locally.  As I'm going to drive my 
car.... ah ..... vigorously (see the .sig), I only want to rebuild the diff 
once, so quality bearings are essential.  So I checked with the big three 
to see who made their bearings.  Only Moss returned my query.  They said 
their rear axle bearings are made by Timken and / or SKF (depending upon 
which bearing you're looking at), both of which manufacture high quality 
bearings.

So what's my point?  Let me (with Scott's help) save anyone considering a 
TR4 rear axle / differential rebuild a lot of effort: buy the bearings from 
Moss and don't worry about trying to find them locally.  Probably not worth 
the trouble (OK, I'm lazy).

hth

Jim


--
Jim
jhassall@blacksburg.net
Blacksburg VA
'63 TR4 in autox preparation, 90% finished, 90% to go 





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