22212E SKF bearing 1.GCr15, GCr15SiMn, G20Cr2Ni4A 2.Precision level:P0,P4,P5,P6 3.Vibration:Z1V1,Z2V2,Z3V3 4.Good service Deep groove ball bearingsSKF bearing1)Series:6000 series, 6200 series, 6300 series and 6400 series, 2)Corresponding types: 605-6032, 625-6248, 6300-6344,6403-64183)Material Used: GCr15 ---China, (AISI) 52100---American, (Din) 100Cr6---Germany;4)Shield/closure: open bearing, Z, ...