Car wheel bearings are used in pairs over a maximum single row tapered roller or ball bearings. With the development of technology, the car has been widely used car wheel unit. The growing scope and use of hub bearing unit has now developed to the miniature ball bearings third generation:
The first generation is a double row angular contact bearing components.
The second generation of the outer raceway for bearing a fixed flange bearing sleeve may simply be fixed with a nut on the axle. Makes the car maintenance becomes easy.
The third generation wheel hub bearing units are using a bearing unit and ABS anti-lock brake system compatible. Wheel hub unit designed to have the inner flange thin wall bearings and an outer flange, the flange is bolted to the drive shaft, the outer flange of the bearing mounted together.
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