... service 3.22years suppliy bearings deep groove ball bearing 6000 series Deep groove ball bearingShandong Haotian Bearing Imp & Exp Co., ... R168,99502H,499502H16000Series:16001,16002,16003,16005,16007Non-standard bearing series:Clutch bearing,Special purpose bearing,N,NR snaping ,Handware/Axle ... Inch breadth widened bore is hexagonal, Inch breadth widened bore3.Sealing form:OPEN,RS,2RS,Z,ZZ,RZ,2RZ,N,NR4 ...