18-02-2022, 12:04 PM
(18-02-2022, 01:23 AM)Bob Culver Wrote: It is curious that this nut is so often loose. It expereinces little radial load to work it on shaft.
It's not really curious at all; as explained above, the root cause of the problem is fretting after high mileage on the spacer - repeated slight radial twisting of the components. The spacer is soft steel, all the other components abutting it are hardened.
I've stripped many axles where the nut has a tab washer, all still in place but loose, with the spacer 0.010" worn.