This bearing device for wheels is provided with: a hub shaft including a flange section on one axial side; an outer ring; a plurality of rolling elements; a holder; and a seal member attached to the end, on the one axial side, of the outer ring. The lateral surface, on the other axial side, of the flange section includes: a first lateral surface having a first roughness; and a second lateral surface having a second roughness greater than the first roughness. The seal member is provided with a lip disposed opposite to the second lateral surface, and the tip of the lip has a wear surface worn away through sliding contact with the second lateral surface.

    车轮用轴承装置具备:在轴向一侧具有突缘部的轮毂轴;外圈;多个滚动体;保持架;安装在外圈的轴向的一个端部的密封构件。突缘部的轴向另一侧的侧面具有第一侧面和第二侧面,所述第一侧面具有第一粗糙度,所述第二侧面具有比第一粗糙度大的第二粗糙度。密封构件具备与第二侧面相对地设置的唇部,该唇部的前端具有通过与第二侧面进行滑动接触而磨损的磨损面。


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    Title :

    BEARING DEVICE FOR WHEELS


    Additional title:

    车轮用轴承装置


    Contributors:

    Publication date :

    2020-08-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16C SHAFTS , Wellen / B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16J Kolben , PISTONS



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