Axle assembly for drive wheels of vehicles

An axle assembly for drive wheels of vehicles, comprising:

• a steering knuckle connected to a steering apparatus;
• an axle housing coupled to an inside of the steering knuckle;
• a wheel disc fixed to the axle housing to be rotatable integrally with the axle housing;
• a drive shaft coupled to the axle housing to be rotatable integrally with the axle housing;
• and
• a hub bearing coupled to the steering knuckle and the axle housing to be disposed therebetween,
• wherein a forming part is bent outwards in a radial direction and is formed at an end of the axle housing in a state in which a bearing inner race of the hub bearing is coupled to an outer circumferential surface of the axle housing, and
• wherein the bearing inner race is engaged with a side part of the axle housing by the forming part in a state in which the forming part is pressed against a side end of the bearing inner race to integrally couple the axle housing and the bearing inner race to each other.