Originally Posted by DesertRat

I would generally consider a thrust bearing, silicon nitride balls, and steel rings with only a tiny dab of grease the best. The flange washer type of axle, such as a CRC, always made my axles crunchy and I thought for a long time it was the balls and rings, then I got a Slapmaster thrust bearing and it was suddenly as smooth as glass run after run. I only take it apart to clean it now.