Deep Groove Ball Bearing 6000,6100,6200,6300 series... Material:Chrome Steel GCR15 High quality and best price High speed Deep Groove Ball Bearing1.Model No.: 6305-2RS2.Material: Chrome Steel GCr15, Carbon steel3.Seals Type:RS,2RS4.Tolerance:ABEC-1(P0), ABEC-3(P6)...5.Clearance:C2,C0,C3,C4,C56.Vibration:Z1V1,Z2V2,Z3V37.Quality:Low noise, Low vibration, Long life, High speed rotation, Low friction ...