China Ka020 XP0/Cp0/Ar0 Super -Thin Section Four Point Contact Bearings Size 50.8 X 63.5 X 6.35 mm Robot Joint Bearing, Find details about China Ka020cp0 Super -Thin Section Bearings, Four Point Contact Bearings Ka020XP0 from Ka020 XP0/Cp0/Ar0 Super -Thin Section Four Point Contact Bearings Size 50.8 X 63.5 X 6.35 mm Robot Joint Bearing