... ,6302,6303,6304,6305,6306,6307,6308,6309,6310,6311,6312s67series:670568series:686,687,688,689,6800, ... :16001,16002,16003,16005,16007Non-standard bearing series:Clutch bearing,Special purpose bearing,N,NR snaping ,Handware/Axle sleeve ... Inch breadth widened bore3.Sealing form:OPEN,RS,2RS,Z,ZZ,RZ,2RZ,N,NR4.Material:Gcr155. ... , motorcycles, power tools, sports goods, office appliance SKF bearing 51215