To reduce the rotation resistance of a wheel bearing device.SOLUTION: The wheel bearing device includes an outward member 12, an inward member 14, a plurality of balls 16, and a cage 18, the cage 18 having an annular part 51 located on axial one side of the balls 16, and a plurality of columnar parts 52 provided extending from the annular part 51 to the axial other side. Spaces between the pair of columnar parts 52, 52 neighboring each other in the peripheral direction on the axial other side of the annular part 51 are pockets 53 for storing the balls 16. The cage 18 has a guide part 56 which can contact a contact surface as part of the outward member 12 or the inward member 14 from the radial direction to position the cage 18 in the radial direction.SELECTED DRAWING: Figure 3

    【課題】車輪用軸受装置における回転抵抗を低減する。【解決手段】車輪用軸受装置は、外方部材12と、内方部材14と、複数の玉16と、保持器18とを備える。保持器18は、玉16の軸方向一方に位置する環状部51と、環状部51から軸方向他方に延びて設けられている複数の柱部52とを有する。環状部51の軸方向他方であって周方向に隣り合う一対の柱部52,52の間が、玉16を収容するためのポケット53である。保持器18は、外方部材12又は内方部材14の一部である接触面に径方向から接触可能であって、当該接触によって保持器18を径方向について位置決めするガイド部56を有する。【選択図】図3


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    Titel :

    WHEEL BEARING DEVICE


    Weitere Titelangaben:

    車輪用軸受装置


    Beteiligte:
    KAMAMOTO SHIGEO (Autor:in) / MURATA JUNJI (Autor:in) / SHISHIHARA YUKI (Autor:in) / SUN YUE (Autor:in)

    Erscheinungsdatum :

    2021-02-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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