ball thrust bearing 1.Limiting speed 9000-28000rpm 2.Load rating 83-3800N 3.Low noise,Long life ball thrust bearing F9-20M1.Limiting speed 9000-28000rpm 2.Load rating 83-3800N3.Low noise,Long lifeNormally supplied in SUJ2 steel with stainless steel retainers.Also can be manufactured in brass ball thrust bearing F9-20M