WHEEL BEARING DEVICE

PROBLEM TO BE SOLVED: To improve an anti-rust function in a wheel bearing device.SOLUTION: A wheel bearing device 10 includes: an outer ring 11; a hub shaft 12 which has a flange portion 56 for attaching a wheel on a vehicle outer side; a rolling body 13; a seal 15 which is attached on the vehicle o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TSUZAKI YOICHI, YASUNO HITOSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AXLES FOR WHEELS OR CASTORS BEARINGS BLASTING CASTORS 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 ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE WHEELS VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve an anti-rust function in a wheel bearing device.SOLUTION: A wheel bearing device 10 includes: an outer ring 11; a hub shaft 12 which has a flange portion 56 for attaching a wheel on a vehicle outer side; a rolling body 13; a seal 15 which is attached on the vehicle outer side of the outer ring 11, and prevents the entry of foreign substances from the outside between the hub shaft 12 side and the seal 15; and a cover member 60 attached on the vehicle outer side of the outer ring 11. An outer peripheral surface of the outer ring 11 has a non-plating surface portion 21 provided at an end portion 25 on the vehicle outer side, and a plating surface portion 22 continuing to the non-plating surface portion 21. The cover member 60 has an inside cylinder portion 61 externally fitted with and attached to the non-plating surface portion 21, and an annular body portion 62 which is provided continuously to the inside cylinder portion 61, and opposes to the flange portion 56 while keeping a clearance δ in an axial direction.SELECTED DRAWING: Figure 2 【課題】車輪用軸受装置において、防錆機能を高める。【解決手段】車輪用軸受装置１０は、外輪１１と、車両アウタ側に車輪取り付け用のフランジ部５６を有するハブ軸１２と、転動体１３と、外輪１１の車両アウタ側に取り付けられハブ軸１２側との間において外部からの異物の浸入を防ぐシール１５と、外輪１１の車両アウタ側に取り付けられているカバー部材６０とを備えている。外輪１１の外周面は、車両アウタ側の端部２５に設けられている非メッキ面部２１と、この非メッキ面部２１と連続しているメッキ面部２２とを有している。カバー部材６０は、非メッキ面部２１に外嵌して取り付けられている内側円筒部６１と、この内側円筒部６１と連続して設けられフランジ部５６との間に軸方向の隙間δ１を有して対向している円環状の本体部６２とを有している。【選択図】図２