... Groove Ball Bearing 6000,6100,6200,6300 series... Material:Chrome Steel GCR15 High quality and best price High speed Deep Groove Ball Bearing1.Model ... ,C56.Vibration:Z1V1,Z2V2,Z3V37.Quality:Low noise, Low vibration, Long life, High speed rotation, Low friction torque ... Low noise and high speed electric motors, Automotive components, Pumps, Machinery... 6305-2RS C3 Chrome steel Deep Groove Ball Bearing