Gear integration bearing of external teeth of a cogwheel

The utility model relates to the technical field of machinery. Gear integration bearing of external teeth of a cogwheel, ring ball bearing mechanism between the ring outside and including interior ring, outer ring and including setting up is along the axial of the outer ring teeth of a cogwheel of evenly having arranged on the outer wall of outer ring to outer ring is as a gear, the surface of gear include one with the contact surface of drive gear pivoted driving piece contact, be stained with the wearing layer that magnetic rubber made on the contact surface, the inside of wearing layer is equipped with the basalt fiber line and weaves the mesh grid of making. The utility model discloses a combine gear and bearing together to the outer ring of bearing is convenient for move through driving piece drive excircle cyclovergence as the gear, has reduced gear and the driven intermediate link of outer ring. In addition, the utility model discloses a wearing and tearing when the structure ofthe contact surface of t