Wheel bearing for a motor vehicle

Details Wheel bearing for a motor vehicle Wheel bearing for a motor vehicle

B - Operations, Transporting

60

B

B60B 27/00 (2006.01) F16C 19/49 (2006.01) F16C 19/54 (2006.01)

Patent

CA 2707533

The invention relates to a wheel bearing (1) for a motor vehicle, particularly for a commercial vehicle, having a wheel bearing unit (2), which supports a wheel hub (3) on an steering knuckle (8) by means of rolling bearings (4, 5, 6, 7) acting axially and radially. In order to reduce the rolling friction to a minimum during the operation of the motor vehicle, the invention provides for the wheel hub (3) to be equipped directly or indirectly with two cylindrical raceways (9, 10) for cylinder rollers (11, 12), and with two raceways (15, 16) for balls (17, 18), placed on the front side in at least one radially extending annular section (13, 14), and for the steering knuckle (8) to be equipped directly or indirectly with two cylindrical raceways (19, 20) for the cylinder rollers (11, 12), and with two raceways (23, 24) for the balls (17, 18), placed on the front side in two radially extending annular sections (21, 22), wherein the cylinder rollers (11, 12) are disposed between the cylindrical raceways (9, 10, 19, 20), and the balls (17, 18) are disposed between the raceways (15, 16, 23, 24).

L'invention concerne un palier de roue (1) pour véhicule automobile, en particulier pour véhicule utilitaire, comprenant une unité palier de roue (2) logeant un moyeu de roue (3) par l'intermédiaire d'un palier à roulement (4, 5, 6, 7) sur une fusée d'essieu (8). Dans le but de minimiser le frottement par roulement pendant la marche du véhicule, l'invention est caractérisée en ce que le moyeu de roue (3) est pourvu, directement ou indirectement, de deux pistes de roulement cylindriques (9, 10) pour des rouleaux cylindriques (11, 12), et de deux pistes de roulement (15, 16) à billes (17, 18), insérées, à l'avant, dans au moins une section annulaire (13, 14) s'étendant radialement, et en ce que la fusée d'essieu (8) est pourvue, directement ou indirectement, de deux pistes de roulement cylindriques (19, 20) pour des rouleaux cylindriques (11, 12) et de deux pistes de roulement (23, 24) à billes (17, 18), insérées à l'avant dans des sections annulaires (21, 22) s'étendant radialement, et en ce que les rouleaux cylindriques (11, 12) sont disposés entre les pistes de roulement cylindriques (9, 10, 19, 20), et les billes (17, 18) sont disposées entre les pistes de roulement (15, 16, 23, 24).

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