Hub bearing unit adopting high-precision end jump turning process

The utility model relates to a hub bearing unit adopting a high-precision end jump turning process, which belongs to the technical field of hub bearing units and comprises a hub flange plate, a flange outer ring sleeved with the hub flange plate is arranged on the hub flange plate, and an inner ring sleeved with the hub flange plate in a clamping and embedding manner is arranged between the rear end of the flange outer ring and the hub flange plate. Retainers are arranged between the inner ring and the rear end of the flange outer ring and between the hub flange plate and the front end of the flange outer ring; and a plurality of steel balls which are annularly distributed at equal intervals are arranged in the retainers. The hub flange plate comprises a hub flange plate rotating shaft body, a flange plate integrated with the hub flange plate rotating shaft body is arranged on the front portion of the hub flange plate rotating shaft body, and a matching end face integrated with the flange plate is arranged at