| 摘要 |
An external joint part of a wheel hub synchronous fixed joint unit, wherein a wheel hub (60,90) provided with a through-opening (59,89), which includes inner corrugated toothing (54,84), is tensed with the external joint part (46,76) of a synchronous rotating joint (42,72), upon which a journal (53, 83) having outer corrugated toothing (54, 84) is formed, wherein the inner corrugated toothing (44, 74) of the through-opening (59, 89) and the outer corrugated toothing (54, 84) of the journal (53, 83) engage with each other, and a two-row wheel bearing (43, 73) is placed onto the wheel hub (60, 90), comprising an inner bearing ring (64, 94) upon which a front surface (52, 82) of the external joint part (46, 76) rests directly, wherein the ratio of the journal diameter on the base of the journal D<SUB>Z</SUB> and the length of the journal L<SUB>z</SUB> is greater than 0.95, i.e. D<SUB>z</SUB>/L<SUB>z</SUB>> 0.95. |
