The application discloses an integrated wheel-side
system and a wheel-side
system arrangement method, and the integrated wheel-side
system comprises a steering
knuckle, a wheel hub bearing unit and a
brake disc, the wheel hub bearing unit comprises a bearing inner
flange and a bearing outer ring, and the
brake disc is integrated with the bearing inner
flange into an integrated structure so as to eliminate the independent tolerance ring of the
brake disc disc thickness in the axial dimension chain in the traditional split structure. The brake disc is integrated with the bearing inner
flange into an integrated structure, so that the production, transportation and
assembly costs can be directly saved, the integration degree is improved and the
work flow is simplified; the integrated structure can eliminate a part of superimposed errors and
assembly errors, and the design cost and the size chain calculation cost are reduced; when the wheel-side system is arranged, the wheel hub position, the wheel
offset distance, the brake disc cap thickness and the bearing installation distance are considered so as to determine the positions of the steering
knuckle and the bearing installation surface, and the integrated structure can reduce the brake disc cap thickness link in the size chain calculation, and the calculation amount is reduced.