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One generation hub bearing

The main function of hub bearing is to bear the weight and to provide accurate guidance for the rotation of the hub. It is a very important part of the wheel bearing, which not only bears the axial load but also bears the radial load. The traditional automobile wheel bearings are composed of two conical roller bearings or ball bearings. The installation, oil, seal and adjustment of the clearance of the bearings are all carried out on the automobile production line. This kind of structure makes it difficult to assemble in the automobile factory, has high cost and poor reliability, and it also needs to clean, oil and adjust the bearings when the car is maintained at the maintenance point. The hub bearing unit is developed on the basis of standard angle contact ball bearing and tapered roller bearing. It combines two sets of bearings with good assembly performance, omission of clearance adjustment, light weight, compact structure, large load capacity, pre loading grease for sealed bearings, omission of external hub seal and exemption. Yu Weixiu and other advantages have been widely used in cars, and have been gradually expanding the application trend in heavy trucks.