Quote:
Originally Posted by Orion Jim
insure the set screws, if utilized, are present and tight.
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"Tight" takes a measure of caution.
On small bearings those thin shells can be easily distorted if someone "winches down" with the hex wrench.
After I've installed a bearing, I like to take a drill bit that just slides thru the threaded set screw hole and make a shallow divot, turning the bit by hand, (a large T-handle tap wrench works,) and a sharp bit takes very little pressure.
Then carefully feel when the set screw just touches the bottom of the divot and then give it a tiny "tweak", maybe a 1/16th of a turn.