... Deep groove ball bearing 6301 1.low noise, competitive price 2.wide application 3.Material:Chrome steel,GCr15 4.ISO9001:2008 1.Material:Bearing ... steel, GCr15,9Cr18, Chrome Steel2.Quality standard:ISO9001:20083.Precision standard:ABEC- ... , 2RS6.Feature:Low noise,good quality,suitable for high speed7.Application:micro-motor, household appliance, automobile, ...