To provide a hub unit bearing and a method of assembling a hub unit bearing such that when a hub ring is inserted into an outer ring assembly having a retainer assembly (an assembly of a retainer and a tapered roller) assembled to an outer ring member in assembling the retainer provided on an outboard side, concentricity between the outer ring member and retainer assembly can be maintained so as to suppress the retainer assembly from coming into contact with an inner end face of the hub ring and an edge part of a step part.SOLUTION: At an outboard-side end part of a hub unit bearing 10, an engagement projection part 16b is provided on an outboard-side end face of a large diameter-side annular part 16a of a first retainer 16, and an engagement recessed part 18d engaging with the engagement projection part 16b is provided on an inboard-side end face of a flange part 18c of a core bar 18a of a first sealing device 18.SELECTED DRAWING: Figure 4
【課題】アウトボード側に設けられる保持器の組み付けに関し、外輪部材に保持器組立体(保持器と円すいころの組立体)を組み付けた外輪組立体にハブ輪を挿入する際に、外輪部材と保持器組立体の同心性を維持し、保持器組立体がハブ輪の内端面や段部の縁部に接触するのを抑制することができるハブユニット軸受及びハブユニット軸受の組立方法を提供する。【解決手段】ハブユニット軸受10のアウトボード側端部において、第1保持器16の大径側円環部16aのアウトボード側端面には、係合凸部16bが設けられ、第1密封装置18の芯金18aのフランジ部18cのインボード側端面には、係合凸部16bと係合する係合凹部18dが設けられる。【選択図】図4
HUB UNIT BEARING AND METHOD OF ASSEMBLING HUB UNIT BEARING
ハブユニット軸受及びハブユニット軸受の組立方法
2019-03-07
Patent
Electronic Resource
Japanese
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