Wheel hub bearings are components used in automobile axles to support load and provide precise guidance for the rotation of the hub. They bear both axial load and radial load, and are an important part of automobile load and rotation.

Wheel bearing unit Jack joint Jack joint It is developed on the basis of standard angular contact ball bearings and tapered roller bearings. It integrates two sets of bearings. It has good assembly performance, can omit clearance adjustment, light weight, compact structure, large load capacity, and Sealed bearings can be pre-loaded with grease, omit external hub seals, and are free from maintenance. They have been widely used in cars, and there is a trend to gradually expand their applications in trucks.