| 摘要 |
A wheel hub unit having a wheel hub (11), a wheel bearing (19) and an outer joint part (15) of a constant velocity universal joint which, at the hub end, includes a shaft journal (16) with shaft splines (17), which shaft journal (16) is inserted into a through-aperture (13) of the wheel hub, which through-aperture (13) is provided with internal splines (14), wherein an axial securing mechanism between the wheel hub (11) and the outer joint part (15) are formed by a securing ring (18) which comprises a rectangular cross-section and which engages corresponding rectangular circumferential grooves in the internal splines (14) and in the shaft splines (17) and is arranged near the end of the shaft journal, and wherein, at the shaft journal (16), near its base, there is provided a centering collar which, in a radially play-free way, engages the through-aperture (13) of the wheel hub (11).
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