PROBLEM TO BE SOLVED: To actualize the construction of a wheel supporting double row tapered roller bearing unit to effectively prevent the occurrence of plastic deformation in a pilot part and a mounting flange during assembling work.SOLUTION: In a recess 17 formed in the radial inside of a pilot part 10 of a hub spindle 5a in the state of being recessed axially inward, at its portion axially overlapping with a cylindrical face part 12 and a caulked part 12 into which a pair of inner rings 3a, 3b are pressed, a support part 15 is provided which is protruded axially outward from the bottom face of the recess 17.SELECTED DRAWING: Figure 1

    【課題】組立作業時に、パイロット部及び取付フランジに塑性変形が生じる事を有効に防止できる、車輪支持用複列円すいころ軸受ユニットの構造を実現する。【解決手段】ハブスピンドル5aのパイロット部10の径方向内側に軸方向内方に向けて凹む状態で形成された凹部17のうち、1対の内輪3a、3bを圧入する円筒面部12及びかしめ部12と軸方向に重畳する部分に、前記凹部17の底面から軸方向外方に向けて突出した支承部15を設ける。【選択図】図1


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    Title :

    WHEEL SUPPORTING DOUBLE ROW TAPERED ROLLER BEARING UNIT


    Additional title:

    車輪支持用複列円すいころ軸受ユニット


    Contributors:

    Publication date :

    2017-04-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



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