... /closure: open bearing, Z, ZZ, RS, 2RS5, Snap ring: N, NR6, Vibration and noise level: Z1, Z2, Z37, Precision level: P0, ... to many of our clients.9, Application fields : Motor, Automobile, Precision Machinery, Electric Tools, Power Tools, Transportation vehicles, combustion engines, etc ... forward to being a good business partner of you ! offer deep groove ball bearing with high quality & low price