... deep groove ball bearing 6300z low vibration,low noiselow friction moment,long service lifehigh swiveling accuracyexcellent sealing performance Our main products include deep groove ball ... -standard and special bearings.1.Bore diameter:Φ3mm-Φ50mm2.Bearing range:60series:606,607,608,6000,6001,6002,6003, ... ,6011,6012,6013,6014,601562series:626,627,628,629,6200,6201,6202,6203,6204,6205,6206,6207,6208,6209 ...