Detailed Product Description Deep groove ball bearing(HTZC bearing) seriseBore diameter(mm)Variant structure6180010~320Z,2Z,RZ,2RZ6190010~280Z,2Z,RZ,2RZ,N,NR,ZN,RZN1600010~260 600010~260Z,2Z,RZ,2RZ,RS1,2RS1,N,NR,ZN,RZN620010~220Z,2Z,RZ,2RZ,RS1,2RS1,N,NR,ZN,RZN630010~190Z,2Z,RZ,2RZ,RS1,2RS1,N,NR,ZN,RZN640010~100N,NRMiniture bearings1~10Z,2Z,RS,2RS,F60000HTZC bearing quality standard: ISO 9001:2000 ...