Patent ID: 6296321
Filing Date: 2001-10-02
Classification: B60B,F16C

Abstract:
An axle unit for driving a vehicle wheel comprising:a bearing assembly comprising an outer ring having a flange to be fixed to a suspension provided in a vehicle body and an inner peripheral surface formed with an outer ring raceway thereon, and a rotatable inner ring having a flange to which a tire is connected, and an inner raceway ring fixed through crimping to the inner ring at the end thereof on the inner side of the vehicle body and having an outer peripheral surface formed with an inner ring raceway thereon, and the inner ring formed with a fitting bore having an inner peripheral surface formed with a first spline and a circumferential groove or a step portion,a constant velocity joint having an outer ring which has a fitting shaft at an end thereof on the outer side of the vehicle body, and the fitting shaft having an outer peripheral surface formed with a second spline for spline engagement with the first spline of the fitting bore, and with a circumferential groove, anda stop ring fitted into the circumferential groove or step portion of the fitting bore and to the circumferential groove of the fitting shaft, so that the bearing assembly is connected to the constant velocity joint through the stop ring in the axial direction.