we supply spare parts for heavy equipment, which are mainly used on engine, hydraulic & electronic systerm, and undercarriage, covering almost the whole machine. excavator spare parts including bearings, gears, seal kits, engine parts, motors, pumps, solenoids, valves, etc. the main bearing is used for the travel reduction system of excavators. one reduction uses 2 pieces of bearings. the quality performance of the bearing is very close to that of original one. the other parts realted to the final drive are also available, please contact us if any need. the shipment can reach to most of the countries of the world, please contact us if there is no option for your destination..syi