deep groove ball bearing features: 1.deep groove ball bearing range: 60 Series:606,607,608,609,6000,6001,6002,6003,6004,6005,6006,6007,6008,6009,6010 62 Series: 626,627,628,629,6200,6201,6202,6203,6204,6205,6206,6207,6208,6209,6210,6211,6212,6213,6214,6215 63 Series:6300,6301,6302,6303,6304,6305,6306,6307,6308,6309,6310,6311,6312 68 Series:686,688,689,6800,6801,6802,6803,6804,6805,6806 69 Series:696,698,699,6900,6901,6902,6903,6904,6905,6906 2.EMQ Motor Quality 3.Models available: OPEN, Z, ZZ, RS, 2RS 4.Low noise and low vibration 5.Long life and high speed Application: Motorcycles, Electric Bicycles, Electric Motors (Scooters), Electric Tools, Fans, Sports Apparatus, Skateboards, Washing Machines, Dust Collectors, Ventilators, Textile Machines, Running Machines (Treadmills), Household Appliances, Water Pumps, Agricultural Machines, Precision Machineries, etc.