... Quality: with ISO 9001:2000 Quality System. NOTE: WE ARE Motorcycle Bearing Manufacturer WITH 15 YEARS HISTORY. 1) Material : GCr15 ( ... so on.8) Application: Motorcycles, Electric Bicycles, Electric Motors , Electric Tools, Fans, Sports Apparatus, Washing Machines, Dust Collectors, Ventilators, Textile Machines ... We can develop the bearings according to the customers require. Motorcycle bearing 6301