To obtain an assembling method of a hub unit bearing which can make favorable not only a lubrication state of a rolling contact part between and among rolling faces of conical rollers held by a fall prevention cage, an outer ring raceway and an inner ring raceway, but also a lubrication state of a contact part between large-diameter side end parts of the conical rollers and a large flange part.SOLUTION: A roller assembly 17c for holding conical rollers 4c at a cage 12c being a fall prevention cage is arranged at an inside diameter side of an outer ring raceway 6c in a state that the assembly is displaced to a side at which an inside diameter of the outer ring raceway 6c becomes large with respect to an axial direction rather than a regular assembling position, a clearance 38 is thereby formed between the roller assembly 17c and the outer ring raceway 6c, and grease is discharged toward the clearance 38 from a grease sealing jig 39.SELECTED DRAWING: Figure 7
【課題】円すいころを使用したハブユニット軸受に関して、脱落防止保持器により保持された円すいころの転動面と外輪軌道及び内輪軌道との転がり接触部の潤滑状態を良好にできるだけでなく、円すいころの大径側端部と大鍔部との接触部の潤滑状態も良好にできる、ハブユニット軸受の組立方法を実現する。【解決手段】脱落防止保持器である保持器12cに円すいころ4cを保持したころ組立体17cを、外輪軌道6cの内径側に、正規の組み付け位置よりも軸方向に関して外輪軌道6cの内径が大きくなる側にずらした状態で配置することにより、ころ組立体17cと外輪軌道6cとの間に隙間38を形成し、該隙間38に向けてグリース封入治具39からグリースを吐出する。【選択図】図7
ASSEMBLING METHOD OF HUB UNIT BEARING
ハブユニット軸受の組立方法
2020-04-30
Patent
Electronic Resource
Japanese
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