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Old 27-05-2014, 09:06 PM
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MortonH
Deprived of starlight

MortonH is offline
 
Join Date: Nov 2006
Location: Sydney
Posts: 3,907
Quote:
Originally Posted by nebulosity. View Post
Small bumps when turning ball bearings usually means one (or more) of the balls inside the bearing has a dent in it, this can easily happen if the centre part of the bearing has been nocked sideways somehow, which dents the balls.

Have had a lot of grief with this before when building focusers.

Jo

Is is possible to replace the dented ball in this scenario?
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