The invention relates to a wheel bearing unit of a motor vehicle and a motor vehicle, the wheel bearing unit comprising a hub, a wheel bearing housing and a rolling bearing by means of which the hub is rotatably mounted relative to the wheel bearing unit. The rolling bearing has at least one row of rollers which are guided on the hub side in a bearing inner ring which is a separate component with respect to the hub and which is fixedly connected to the hub, the hub having a through-hole with an internal toothing, via which the hub is connected to a drive pin with an external toothing in a rotationally fixed manner. The invention is characterized in that the internal toothing has a first toothing section, a second toothing section, and a toothless section which is located between the two toothing sections as viewed in the axial direction and which separates the two toothing sections from one another, the toothless section is positioned radially opposite the end face of the bearing inner ring on the inner side of the bearing.

    本发明涉及一种机动车辆的车轮支承单元以及机动车辆,车轮支承单元包括轮毂、车轮轴承壳体和滚动轴承,轮毂通过滚动轴承相对于车轮支承单元能旋转地安装。滚动轴承具有至少一列滚子,这些滚子在轮毂侧上在相对于轮毂是独立构件且与轮毂固定连接的轴承内圈中被引导,轮毂具有带内齿部的通孔,轮毂通过该通孔与具有外齿部的传动销以不能相对转动的方式连接。本发明的特征在于,内齿部具有第一齿部段、第二齿部段,和从轴向方向看位于这两个齿部段之间且将两个齿部段彼此分开的无齿部段,其中内齿部的无齿部段从轴向方向看被布置成,使得无齿部段与轴承内圈的位于轴承内侧的端面径向相对置定位。


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    Title :

    Wheel support unit for motor vehicle and motor vehicle


    Additional title:

    机动车辆的车轮支承单元以及机动车辆


    Contributors:

    Publication date :

    2024-03-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16C SHAFTS , Wellen



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