To provide a wheel bearing device capable of preventing misconception of displayed information on internal clearance, and suppressing variation of preload after being mounted to a vehicle.SOLUTION: A wheel bearing device 1 comprises: an outer ring 2 having double-row outer raceway surfaces 2c, 2d on an inner periphery; an inward member having double-row inner raceway surfaces 3c, 4a on an outer periphery; and double-row inner-side ball row 5 and outer-side ball row 6 that are rollably housed between both raceway surfaces of the outer ring 2 and the inward member. A QR code 50 having information on the internal clearance of the wheel bearing device 1 is displayed on an external surface of the wheel bearing device 1.SELECTED DRAWING: Figure 3

    【課題】表示される内部すきまに関する情報の誤認を防ぐとともに、車両へ取り付けた後の予圧のばらつきを抑制できる車輪用軸受装置等を提供する。【解決手段】車輪用軸受装置1は、内周に複列の外側軌道面2c、2dを有する外輪2と、外周に複列の内側軌道面3c、4aを有する内方部材と、外輪2と前記内方部材との両軌道面間に転動自在に収容された複列のインナー側ボール列5およびアウター側ボール列6とを備えた車輪用軸受装置1であって、車輪用軸受装置1の外表面に、車輪用軸受装置1の内部すきまに関する情報を有するQRコード50が表示される。【選択図】図3


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    Titel :

    WHEEL BEARING DEVICE AND METHOD FOR MOUNTING WHEEL BEARING DEVICE TO VEHICLE


    Weitere Titelangaben:

    車輪用軸受装置および車輪用軸受装置の車両取付方法


    Beteiligte:
    NAKA DAISUKE (Autor:in) / KOREMOTO TAKAHIRO (Autor:in)

    Erscheinungsdatum :

    09.02.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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