... life NSK 6407-ZZ Deep groove ball bearingDeep groove ball bearings mainly take radial load as ... ball bearings products include: miniature ball bearings,single row deep ball bearings,double row deep groove ball bearings,angular contact ball bearings,flange ball bearings,self-aligning ball ... applications: electric mo Features : Shield / closure: open ball bearing, Z, ZZ, RS, 2RS,2RZBall bearings snap ...