| 摘要 |
The invention relates to a wheel bearing unit having at least one outer part, having at least one inner part and having at least two rows of rolling bodies between the outer part and the inner part, wherein in each case at least one inner raceway is formed on the outer part and in each case at least one outer raceway is formed on the inner part for the rolling bodies of one row, and wherein the wheel hub has an internal toothing, which projects radially inwards in the direction of the rotational axis, for engaging into an external toothing on a drive pin, and is rotationally fixedly at least coupled to the outer raceway. The ratio of the diameter dz of a tip circle of the internal toothing to the bearing width bL of the outer part is greater than 0.9.
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