HUB-BEARING HAVING A LIGHT ALLOY ROTOR-HUB

A hub-bearing assembly provided with a bearing unit and a rotatable rotor-hub. The bearing unit includes a stationary radially outer ring, a couple of rotatable radially inner rings, and a double row of rolling elements, wherein the rolling elements are interposed between the outer ring and the inne...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SGUOTTI Laura, BOSCO Domenico
Format:	Patent
Sprache:	eng
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:	A hub-bearing assembly provided with a bearing unit and a rotatable rotor-hub. The bearing unit includes a stationary radially outer ring, a couple of rotatable radially inner rings, and a double row of rolling elements, wherein the rolling elements are interposed between the outer ring and the inner rings, whose centers are located along a first circle having a radius, with respect to a symmetry axis of the assembly. The rotor-hub is made of a light alloy. A tubular portion is assembled on top of the radially inner rings. The tubular portion is steadily fixed a flange portion, axially external and includes a plurality of fixing holes. Axes of the fixing holes are located along a second circle defined by a radius respective to the symmetry axis of the assembly. The radius of the first circle (rolling elements) is greater than the radius of the second circle (fixing holes).