PROBLEM TO BE SOLVED: To provide a bearing for a vehicle capable of reducing a weight by a light-alloy portion, and effectively suppressing relative movement of the light-alloy portion and a raceway member.SOLUTION: A baring (10) for a vehicle includes a bearing ring (11). The bearing ring (11) includes a raceway member (111), a light-alloy portion (112) and a columnar member (113). The raceway member (111) has annular raceway surfaces (111a, 111b) and a groove (111c), and composed of a material including steel. The raceway surfaces (111a, 111b) are formed on an inner peripheral surface of the raceway member (111). The groove (111c) is formed on an outer peripheral surface of the raceway member (111), and axially extended. The light-alloy portion (112) is formed on the outer peripheral surface of the raceway member (111) with a material including light-alloy, and has a groove (112c) opposed to the groove (111c) and axially extended. The columnar member (113) has elastic modulus smaller than elastic modulus of the raceway member (111), and fitted to the grooves (111c, 112c).SELECTED DRAWING: Figure 1

    【課題】軽合金部によって軽量化することができるとともに、軽合金部と軌道部材との相対移動を効果的に抑制することができる車両用軸受を提供する。【解決手段】車両用軸受(10)は、軌道輪(11)を備える。軌道輪(11)は、軌道部材(111)と、軽合金部(112)と、柱状部材(113)とを備える。軌道部材(111)は、環状の軌道面(111a,111b)及び溝(111c)を有し、鋼を含む材料で形成される。軌道面(111a,111b)は、軌道部材(111)の内周面に設けられる。溝(111c)は、軌道部材(111)の外周面に設けられ、軸方向に延びる。軽合金部(112)は、軌道部材(111)の外周面上に軽合金を含む材料によって形成され、溝(111c)と対向し軸方向に延びる溝(112c)を有する。柱状部材(113)は、軌道部材(111)の弾性率よりも小さい弾性率を有し、溝(111c,112c)と嵌まり合う。【選択図】図1


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    Title :

    BEARING FOR VEHICLE


    Additional title:

    車両用軸受


    Contributors:

    Publication date :

    2017-02-02


    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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