... 4.have both chrome steel & carbon steel deep Groove Ball Bearing:Deep groove ball bearing mainly take radial load as well as take moderate ... ,2RS1,N,RN,ZN,RZN6300200~1200Z,2Z,RZ,2RZ,RS,2RS,N,RN,ZN,RZN640010~100N,NR6400110~1200N,NR1600010~26016000280~1000Z ... ,NR,ZN,61900300~1000Z,2Z,RZMini bearings1~10Z,2Z,RS,2RS,F60000 We cooperate with many facrtories in Shandong province. and ...