Originally Posted by
badamsjr
davidad: whose ceramics did you put on your Phil BB? What grade were they? I had an ABEC5 6903 that seemed to get loose in a BB, so switched to an ABEC3, and so far, it has held up much better.
Bearing get better and more precise as the ABEC number gets higher so you downgraded when you changed yous from 5 to 3.