... rigidity. Swivel flexible High speed limit Low noise Deep groove ball bearings Advantage as below:Bearing the load capacityWith a ... Deep Groove Bearings Features and specification of bearingsSeries 181100,87100,81200,89300,87400,29200,29300,29400series 229200,29300,29400series 3single row, two row, multi-row ... bearingsPackingindustrial package or by buyers requirements deep groove ball bearing