Originally Posted by cgdR
I rode bike for about 1500 miles on a rough crown bearing. After disassembly, I found one pitted ball and a pitted race. The seals and gears were in such good shape (@42,000 mi) that the only thing I replaced was the bearing (about $110). Total time for replacement: about 3 hours. Those are FD failures we can handle!
I'm always on the lookout for the roughness. No problems yet in ~56k miles.