[T2] Wheel bearing thrust washer

[Andy McKinley]

Mike,
The tapering is a result of the manufacturing process. The thrust washers,
and indeed almost all flat washers, are stamped out of sheets of steel. The
stamping process, much like cutting a slice of frosted cake, results in the
taper you see (a tapered top, and some raised edges around the underside).
As a rule, I orient the tapered, or rounded edge toward any surface that
may be affected by the slightly raised and sharp bottom of the slice (sharp
edges toward the nut, rounded edges toward the mating surface).
Washers have two sides; one with sharp edges, and one rounded.
If you're not really anal about this, it probably makes little difference.
But like you, when faced with a decision like this, I always try to figure
out which is best, even if the differences are very minor.

Andy McKinley
airhedz at gmail.com

On Sunday, February 16, 2014, Michael Howe <dedhammike at gmail.com> wrote:

> Does it matter which way the thrust washer goes on on a bus with front disk
> brakes?  One side of the tang is slightly tapered.  Thanks
>
> --
> Mike Howe
> dedhammike at gmail.com <javascript:;>
> 207-974-6651
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-- 
Andy McKinley
airhedz at gmail.com

Love your country, but never trust its government.
-- Robert A. Heinlein.