Originally Posted by
hairnet
I remember reading somewhere some explanation of bearings and how it's stupid to pay up for ceramic bearings if you don't get ceramic races because you'll end up with the same performance as steel bearings. I don't care either way
the article goes into much depth but this snippet explains:
Originally Posted by Park
The ceramic bearing has found uses in industrial applications where there is high speed, high load, and, consequently, high temperature. Bicycle riding simply does not result in high load, speed or temperature. A bike moving at 80 kilometers per hour (about 50 mph), will have hubs that rotate about 11 revolutions per second. An engine crank shaft, however, may turn at over 100 revolutions per second.