VEHICLE POWER UNIT AND VEHICLE WHEEL BEARING WITH GENERATOR

Provided is a vehicle power unit as well as a vehicle wheel bearing assembly with a generator which allow a wheel bearing to be easily replaced and thereby can suppress the costs of replacement components. The vehicle power unit (1) includes: a wheel bearing (2) including an outer ring (4) and a hub axle (5) that includes a hub flange (7) and is rotatably supported by the outer ring (4) through a rolling element (6), the hub flange (7) being configured to be attached with a wheel and a brake rotor (12) of a vehicle; and a motor (3) or a generator (3) including a stator (18) located on an outer periphery of the outer ring (4) and a rotor (19) located on an outer periphery of the stator (18) and attached to the hub axle (5). The vehicle includes a knuckle (8) provided with a wheel bearing fixing member (24). The outer ring (4) or the stator (18) is removably fixed to the wheel bearing fixing member (24).