... 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 ... speed electric motors, Automotive components, Pumps, Machinery... 6305-2RS C3 Chrome steel Deep Groove Ball Bearing