| 摘要 |
<p>A hub shaft of a hub wheel for the mounting of a wheel thereon and an outer ring of a constant velocity joint are connected together. A first side surface spline is formed on an end surface of the hub shaft, and a second side surface spline is formed on an end surface of a side wall portion of the outer ring abutting against the end surface of the hub shaft, and the first and second side surface splines are meshed with each other to connect the hub shaft of the hub wheel and the outer ring of the constant velocity joint together in a torque-transmitting manner, each of the two side surface splines having a number of spline teeth. At least one of the spline teeth of at least one of the two side surface splines is removed to form a removal portion which forms a drain passage.</p> |
