A hub bearing unit includes an inner ring having inboard and outboard axial ends and a bearing inner race on an outer surface. An outer ring disposed about the inner ring has inboard and outboard axial ends and a bearing outer race on an inner surface. One ring is coupled with a wheel and rotatable about an axis, and the other ring is fixedly coupled with a frame. A plurality of rolling elements is rollable upon the inner and outer races. A displacement limiter extends radially from one ring and has a frustoconical stop surface spaced radially from a surface of the other ring. The limiter stop surface engages with the ring surface when the ring displaces radially and/or axially relative to the other ring to prevent brinelling impacts on the bearing races. Preferably, the displacement limiter is located axially between the rolling elements and the ring inboard ends.

    一种轮毂轴承单元,包括内圈,内圈具有舱内侧和舱外侧轴向端以及位于内圈外表面上的轴承内圈滚道。环绕内圈设置的外圈具有舱内侧和舱外侧轴向端以及设置在外圈内表面上的轴承外圈滚道。内、外圈中的一个与车轮相连,从而能够围绕轴线旋转,内外圈中的另一个与车架固定连接。多个滚动体能够在内、外圈滚道上滚动。其中一个轴承圈沿径向延伸出位移限制器,限制器具有截头圆锥形的止动面,与另外一个轴承圈的一处表面形成径向间隔。当一个轴承圈相对于另一个轴承圈产生径向和/或轴向移位时,限制器的止动面与另一个轴承圈的表面结合,用于防止布氏冲击发生在轴承滚道上。在优选的情况下,位置限制器在轴向上位于滚动体与轴承圈的舱内侧端部之间。


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    Titel :

    HUB BEARING UNIT WITH RADIAL AND AXIAL DISPLACEMENT LIMITER


    Weitere Titelangaben:

    具有径向和轴向位移限制器的轮毂轴承单元


    Beteiligte:

    Erscheinungsdatum :

    2021-07-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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