| 摘要 |
According to the present invention, a hub unit (10) includes a hub (20) made of a light material, and having a cylindrical portion (21), a flange (22) and a radial recess (32) having a surface facing the flange, and two bearing rings (14, 15) axially aligned around the cylindrical portion (21) of the hub; a sleeve locking device (40) is radially interposed between the bearing rings (14, 15) and the cylindrical portion (21) of the hub, and comprises a retaining portion (43) engaged in the radial recess of the hub, a terminal edge (17) preloading the bearing rings (14, 15), and one or two cuts (48) extending in an axial direction. |
