Anti-ablation maintenance-free high-strength wheel end device for automobile

The utility model discloses an anti-ablation maintenance-free high-strength wheel end device for an automobile, and relates to the field of automobile axle products. Comprising a shaft tube, an O-shaped ring, a combined oil seal, a hub, a bearing, an elastic spacer bush, a sealing ring, a self-locking nut, an oil adding and discharging plug screw and a protective pressure release valve. Wherein the axle tube is an axle wheel end supporting axle tube, the hub is used for bearing the rim and the tire, the two sets of bearings are of the same structure, the axle tube extends into the hub, and the two sets of bearings of the same structure are arranged between the axle tube and the hub; in the two sets of bearings of the same structure, one set of bearings is close to the end position of the axle tube, the other set of bearings is far away from the end position of the axle tube, and the elastic spacer bush is located in the hub cavity and installed between the two sets of bearings of the same structure. By optimi