Construction of a double-row tapered-roller bearing unit that is able to improve the contact state between the rolling contact surfaces of plural tapered rollers and a first inner-ring raceway (7) and second inner-ring raceway (8), and a method of manufacturing the same are provided. The inclination angle ¸ 1 of the first inner-ring raceway (7) and the inclination angle ¸ 2 of the second inner-ring raceway (8) in a state before the first inner ring (10) and the second inner ring (11) are press-fitted onto the fitting surface section (13a) of the hub main body (12a), the amount of decrease ´¸ a in the inclination angle of the first inner-ring raceway (7) and the amount of decrease ´¸ b in the inclination angle of the second inner-ring raceway (8) occurring due to press-fitting of the first inner ring (10) and the second inner ring (11) onto the fitting-surface section (13a), and the amount of increase ´¸ k in the inclination angle of the first inner-ring raceway (7) occurring due to formation of the crimped section (15) are adjusted, so that the inclination angle Æ 1 of the first inner-ring raceway (7) and the inclination angle 2 of the second inner-ring raceway (8) in a state after the crimped section (15) has been formed are kept within respective proper ranges.


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    Titel :

    DOUBLE-ROW TAPERED ROLLER BEARING UNIT AND METHOD OF MANUFACTURING THE BEARING UNIT


    Weitere Titelangaben:

    ZWEIREIHIGE KEGELROLLENLAGEREINHEIT UND VERFAHREN ZUR HERSTELLUNG DER LAGEREINHEIT
    UNITÉ DE ROULEMENT À DEUX RANGÉES À ROULEAUX CONIQUES ET PROCÉDÉ DE FABRICATION DE L'UNITÉ DE ROULEMENT


    Beteiligte:

    Erscheinungsdatum :

    2018-11-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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