Deep groove ball bearing 6302 1.With low noise 2.Material:GCr15, Chrome steel 3.ISO9001:2000 4.Moq:5000 pieces 1.Material: GCr15,9Cr182.Quality standard: ISO9001:20003.Precision standard: ABEC-14.Shield type: Open, Z, ZZ, RS, 2RS5.Feature: Low noise,good quality,suitable for high speed6.Application: micro-motor, household appliance, automobile, telecommunication facilities, medical apparatus, ...