Double roller type

The first generation of wheel bearing outer ring is the double row tapered roller bearings with the whole outer ring and the back combination inner rings. In order to ensure the pre-load after the installation, it be pre-set the initial clearance and no need to use the lap of adjust the pre-load when on the automotive assembly line. Besides, the wheel bearing have the seal their own, elimination the step of the seal outside manual installed. Compared with the double ball bearings, the capacity of the bearing will be better and the life will be longer.