If it's notchy most probably the races are damaged, no amount of cleaning will fix that.
If the cups are external and same size top and bottom it's 1/8.
Take everything out and carefully clean it and regrease it or install a fresh one if you have the means
If it's notchy most probably the races are damaged, no amount of cleaning will fix that.
If the cups are external and same size top and bottom it's 1/8.
Take everything out and carefully clean it and regrease it or install a fresh one if you have the means