... :Chrome Steel, 2.High quality&Fast Delivery 3.ISO9001:2000,ISO/TS16949 4.OEM manufacturer Pillow block Bearings Specification:1.Bore diameter ... --China,(AISI)52100--American,(Din)100Cr6--Germany4.Certificates:ISO9001:2000,ISO/TS169495.Feilds Used in: Motorcycle, Motor, Pump, Fan, Air conditioner ...