HUB UNIT BEARING

To realize a structure capable of securing sufficient sealing performance by a side lip of a seal ring, regardless of inclination of a central axis of a hub to a central axis of an outer ring.SOLUTION: An inclination angle α to a virtual plane P orthogonal to a central axis of a hub 3, of a radial i...

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Bibliographische Detailangaben
1. Verfasser:	YAMAGUCHI TSUKASA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AXLES FOR WHEELS OR CASTORS BEARINGS BLASTING CASTORS CYLINDERS ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INCREASING WHEEL ADHESION LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PISTONS ROTARY BODIES OTHER THAN GEARING ELEMENTS SEALINGS SHAFTS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE WHEELS VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	To realize a structure capable of securing sufficient sealing performance by a side lip of a seal ring, regardless of inclination of a central axis of a hub to a central axis of an outer ring.SOLUTION: An inclination angle α to a virtual plane P orthogonal to a central axis of a hub 3, of a radial inner face 13a of a projecting portion 13 constituting an axial slide surface 11 is determined to be larger than an inclination angle of a radial outer face 13b of the projecting portion 13 to the virtual plane P over the whole periphery in a circumferential direction.SELECTED DRAWING: Figure 3 【課題】外輪の中心軸に対するハブの中心軸の傾きにかかわらず、シールリングのサイドリップによるシール性能を十分に確保することができる構造を実現する。【解決手段】円周方向全周にわたって、軸方向摺接面１１を構成する凸部１３の径方向内側面１３ａの、ハブ３の中心軸に直交する仮想平面Ｐに対する傾斜角度αを、仮想平面Ｐに対する凸部１３の径方向外側面１３ｂの傾斜角度よりも大きくする。【選択図】図３