China (Mainland) Thrust Ball Bearing

Specifications: 51100,51200,51300 series 2900,900 series and all kinds of inch sizes. Used in oil drilling machine, screw shaft of oceangoing freighter, Combining driving machine, overhead crane, heavy tower crane Turntable, and turntable of drilling machine Packing: Single box or 10(5)pcs in a plastic tube (bag) then in a carton, then packing in a wooden(steel) pallet