... 2,reasonable price 3,good sales sevice 4,delivery soon deep groove ball bearing(1)1) Model Open, Z, ZZ, RZ,2RZ,RS, ... ,low noise and high speed electric motors; automotive (2)Deep groove ball bearing mainly take radial load as well as moderate axial load ... size range and variations of structure(3)Products name6910 Deep groove ball bearingsBrand nameSKF FAG NSK NTN KOYO Series 6910ID size50mm-400mmCage ...