Mgbbob@aol.com wrote:
>
> Paul......
> I coudn't disagree with you more about tapered roller bearing preload. Tapered
> roller bearings are NOT ball bearings which are designed to run with a slight
> clearance.
> Unlike ball bearings, tapered rollers are separable (cup and cone). The cup is
> the outer race and the cone is the inner race that comes assembled with the
> cage and rollers.
> These bearings MUST be preloaded to run properly.....if not, their load
> bearing capability will be GREATLY diminished.
> If they aren't preloaded, the rollers will relax slightly in the raceway and
> create a point load on the stub shaft resulting in possible failure.
> FWIW
> Bob Stahlbush
> '66 MGB
> 60 TR-3A
> l
Nevertheless, the factory manual and Haynes are quite clear about the
requirement for .002 to .004 end-float *in this application* (my
emphasis). I think it would be foolish to ignore it, no matter what
one's information regarding other applications.
PaulH.
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