To provide a wheel bearing assembly for an automobile not requiring a complicated-shape bearing case and a complicated mechanical working steps.

This wheel bearing assembly for an automobile has a bearing 1 provided with an inner ring 2 and an outer ring 3. The outer ring 3 of the bearing is fitted in the bearing case 4, and a first side part of the outer ring is mechanically supported in the axial direction by a support surface 5 provided in the bearing case 4. At least three separate stopper projections 6 are provided in the inner peripheral part of the bearing case, desirably, with an equal space from each other, and a second side part of the outer ring abuts on the stopper projections in the axial direction. The stopper projections are respectively formed by plastically working a part of the bearing case 4.