... 3.satisfactory of qulity,service and price 4.OEM service ball bearing low vibration,low noiselow friction moment,long service lifehigh swiveling ... ,16002,16003,16005,16007Non-standard bearing series:Clutch bearing,Special purpose bearing,N,NR snaping ,Handware/Axle sleeve,215702(6301BR),Inch breadth widened ... home appliance motors, motorcycles, power tools, sports goods, office appliance ball bearing