... 2000,ISO/TS16949 4.OEM manufacturer Special Purpose Bearings Specification:1.Bore diameter: from 12mm to 140mm:2.Outer diameter: from ... 47mm to 300mm:3.Material:bearing steel/chrome ... --Germany4.Certificates:ISO9001:2000,ISO/TS169495.Feilds Used in: Motorcycle, Motor, Pump, Fan, Air conditioner, Microwave Oven ,Sewing Machine, ...