The present invention relates to a wheel bearing having a sealing member, comprising: a hub which has a hub flange fastened by a hub bolt and an inner wheel track formed on an external diameter surface; an outer wheel which includes: an outer wheel flange fastened by a fastening bolt, an outer wheel track formed on an internal diameter surface, and a first extension unit and a second extension unit, which are in a cylindrical shape to be respectively extended to both sides of the outer wheel track; a plurality of electric motor bodies placed between the inner wheel track and the outer wheel track; a cage placed between the inner wheel track and the outer wheel track to keep an interval of the electric motor bodies; and a sealing member which includes: a first sealing member and a second sealing member respectively placed on the first extension unit and the second extension unit to be installed on an opening unit formed between the hub and the outer wheel, wherein: the first extension unit of the outer wheel has an end unit facing the hub flange; the first sealing member, which is made from elastomer materials, includes: a reinforcing body working as a support body, and one or more seal lips engaged with the reinforcing body to have an end unit coming in contact with the hub, and which comes in contact with an end surface of the first extension unit and is placed by coming in contact with one or more of an internal diameter surface and an external diameter surface of the first extension unit. The present invention aims to provide a wheel bearing having a sealing member, which is able to effectively block an invasion of foreign substances in accordance with a deformation of the first extension unit.

    본 발명에 따르는 씰링부재를 구비한 휠 베어링은 허브볼트에 의하여 체결되는 허브플랜지가 구비되며 외경면에 내륜궤도가 형성된 허브와, 체결볼트에 의하여 체결되는 외륜플랜지가 구비되며 내경면에 외륜궤도가 형성되며 외륜궤도의 양측으로 각각 연장된 원통형의 제1 연장부와 제2 연장부를 가지는 외륜과, 상기 내륜궤도와 외륜궤도 사이에 구비되는 복수의 전동체와, 상기 내륜궤도와 외륜궤도 사이에 구비되어 전동체의 간격을 유지시키는 케이지와, 상기 제1 연장부와 제2 연장부에 각각 위치하여 허브와 외륜 사이에 형성된 개구부에 설치되는 제1 씰링부재와 제2 씰링부재로 이루어지고, 상기 외륜의 제1 연장부는 단부가 허브플랜지를 향하며; 상기 제1 씰링부재는 지지체로서 작용을 하는 보강체와 상기 보강체에 결합되며 단부가 허브에 접하는 하나 이상의 씰립을 구비하는 엘라스토머 재질의 씰부로 이루어지고, 제1 연장부의 끝면에 접하고, 제1 연장부의 내경면과 외경면 중 하나 이상에 접하여 구비되는 것을 특징으로 하는 씰링 부재를 구비한 휠 베어링에 관한 것이다.


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    Title :

    A Wheel Bearing Having Seal


    Additional title:

    씰링부재를 구비한 휠 베어링


    Contributors:

    Publication date :

    2019-06-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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



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