Bearings for machines having polycrystalline diamond surfaces, namely, radial bearings, thrust bearings, radial and thrust bearings, roller ball bearings, cam followers, and linear bearings, all the aforementioned for use in machines, namely, downhole drilling motors, namely, drive trains of downhole drilling motors
MachineryBearings as parts of land vehicles having polycrystalline diamond surfaces, namely, wheel bearings and axle bearings for land vehicles, namely, radial bearings, thrust bearings, radial and thrust bearings, roller ball bearings, cam followers, and linear bearings, all the aforementioned for use as parts of land vehicles, namely, as parts of drive trains of land vehicles
Vehicles