The knuckle-hub assembly includes a knuckle and a wheel bearing attached by a retainer. Both the knuckle and the retainer have recesses and the retainer is arranged in both recesses upon assembly. The retainer is generally ring-shaped and has a axial direction perpendicular to the circumferential direction. Near one end surface in the axial direction and the retainer has a union portion connected to one or more flange portions. The one or more flange portions may be a single flange portion angled relative to the axial direction. The one or more flange portions may include a first flange portion and a second flange portion that are angled relative to each other.