Deep Groove Ball Bearing 6000,6100,6200,6300 series... Material:Chrome Steel GCR15 High ... :ABEC-1(P0), ABEC-3(P6)...5.Clearance:C2,C0,C3,C4,C56.Vibration:Z1V1,Z2V2,Z3V37.Quality:Low noise, Low ... high speed electric motors, Automotive components, Pumps, Machinery... 6305-2RS C3 Chrome steel Deep Groove Ball Bearing