Petroleum Machinery Bearings ZYS possesses a perfect bearing optimization design theory of multiple objective function and is skillful in machining and matching technology of super-precision bearing, high precision bearing and high speed bearing for machine tool.

The bearings in a mud motor at the end of a drill string would place a huge influence on productivity and reliability in terms of oil drilling or gas drilling.The working condition of these mud motor bearings are extremely harsh: the bearings bear heavy axial and shock.