... 3,High accuracy ,High speed 4,OEM Service 67 series thin wall ball bearings with following specification: Single Row ... GCr15SiMn, Bearing steelCagesteel cageQuality standardISO9001:2000PrecisionP0, P3,P4,P6,P5ClearanceC0,CM,C2, C3, C4Vibration & NoisyZ1,Z2,Z3 V1,V2,V3, ... TN') as standard, pressed steel cages are also available. This series have the latest design (suffixed 'B') without filling slots. ...