[Problem] There is provided a wheel rolling bearing unit capable of preventing grease leak even if the interference of the sealing member for sealing the clearance between the inner and outer rings is made small. [Means for Resolution] The wheel rolling bearing unit 10 according to the present invention is equipped with an inner shaft 12; an outer ring 11 disposed concentrically on the outer peripheral side of the inner shaft 12; a plurality of balls 13 disposed between these; and a pair of cages 20 for retaining the balls 13 in the circumferential direction. On the inner peripheral surface of each of the pair of cages 20, a concave section 25 being dented to the outside in the radial direction to hold grease is formed in the range from the axial outside end section 22c to the inside end section.


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    Title :

    ROLLING BEARING DEVICE FOR WHEEL


    Additional title:

    WÄLZLAGERVORRICHTUNG FÜR EIN RAD
    DISPOSITIF DE PALIER À ROULEMENT POUR UNE ROUE


    Contributors:

    Publication date :

    2018-09-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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