Disclosed is an outer retainer of a wheel bearing for a vehicle, comprising: a wheel hub integrally fastened to a vehicle wheel to rotationally support a vehicle wheel; an inner retainer integrally and rotationally coupled to the wheel hub; and an outer retainer rotationally supporting the wheel hub and the inner retainer by using a rolling element as a medium while the wheel hub and the inner retainer are fitted in a shaft direction. The outer retainer comprises: a cylindrical portion having open opposed surfaces facing to each other in the shaft direction; and a flange expanded to the outside of a radial direction on the outer circumferential surface of the cylindrical portion. The cylindrical portion has a cut portion dug to the inside of the radial direction and extended in the shaft direction. The cut portion includes a medium circumferential surface extended in the shaft direction; and a first curved surface formed on one end of the medium circumferential surface, thereby allowing weight reduction and increase in intensity.

    차량용 휠 베어링의 외륜이 개시된다. 차륜을 회전 가능하게 지지하기 위해 상기 차륜과 일체로 체결되는 휠 허브; 상기 휠 허브와 일체로 회전되게 결합되는 내륜; 상기 휠 허브와 내륜을 축방향으로 끼워서 전동체를 매개로 회전 가능하게 지지하는 외륜을 포함하는 휠 베어링에 있어서, 상기 외륜은 축방향으로 서로 마주보는 대향면이 개구된 원통부; 및 상기 원통부의 외주면에 반경 방향 외측으로 확장되게 형성된 플랜지를 포함하며; 상기 원통부에는 반경 방향 내측으로 파여지고 축방향으로 연장된 절삭부가 형성되며; 상기 절삭부는 상기 축방향을 따라 연장되게 형성된 중간 원주면; 및 상기 중간 원주면의 일단에 형성된 제1곡면을 포함하여; 중량 저감 및 강도 증대를 동시에 도모할 수 있다.


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    Titel :

    Outer ring of wheel bearing for vehicle


    Weitere Titelangaben:

    차량용 휠 베어링의 외륜


    Beteiligte:
    YOON HEE JAE (Autor:in) / MIN DONG HYUN (Autor:in)

    Erscheinungsdatum :

    2017-09-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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