Angular contact ball bearing 1.GB307, DIN620 grade 2.Bulk supply 3.Reliable quality 4.Bearing material: GCr15 Angular contact ball bearing,please read IXIN pdf for exact selection.1.Shield / closure: open,ZZ, 2RS2.Tolerance codes: P0,P6,P43.Bearings material: GCr15,100Cr6,JIS24.Retainer: PTFE, nylon, steel5.Hardness for rings and balls: 59 - 63HRC Angular contact ball bearingBearing No.Bearing No ...