To provide a bearing device for a wheel including an outer side seal which can prevent entry of foreign objects, such as mud water, into a bearing.SOLUTION: In a bearing device for a wheel, an outer side seal member 7 has: a core grid 8 which fits in an outer ring 2; a seal body 10 which is joined to the core grid 8; and a metal ring 9 which fits in a hub ring 3 and with which the seal body 10 slidably contacts. The seal body 10 protrudes to the radial outer side of an outer peripheral surface 2e of the outer ring 2 at an outer side end part of the outer ring 2 and extends from the core grid 8 to the outer side at the radial outer side of the metal ring 9. The metal ring 9 is provided with a first wall part 11b which extends to the radial outer side and faces a portion of the seal body 10, which extends from the core grid to the outer side, through a radial gap.SELECTED DRAWING: Figure 2

    【課題】泥水等の異物の軸受内部への侵入を防止することができるアウター側シールを備えた車輪用軸受装置を提供する。【解決手段】アウター側シール部材7が、外輪2に嵌合される芯金8と、芯金8に接合されるシール体10と、ハブ輪3に嵌合されてシール体10が摺接する金属環9とを有する、車輪用軸受装置において、シール体10は、外輪の2アウター側端部では外輪2の外周面2eよりも径方向外側に突出すると共に、金属環9よりも径方向外側では芯金8からアウター側に延びており、金属環9には、径方向外側に延びて、かつ、シール体10のうち芯金からアウター側に延びている部分と径方向隙間を介して対向する第1壁部11bが設けられている。【選択図】図2


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    Titel :

    BEARING DEVICE FOR WHEEL


    Weitere Titelangaben:

    車輪用軸受装置


    Beteiligte:

    Erscheinungsdatum :

    2020-09-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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