Abstract: Rolling contact bearing (1) which comprises an outer race (2), and a series of rolling bodies (4) which are arranged between the two races (2, 3), and at least one sealing covering (5) arranged laterally to the rolling bodies (4) and between the two races (2, 3); the rolling contact bearing (1)* being characterised by the fact that it also comprises at least one extra shield (15) which is integral to the inner race (3) and which is arranged laterally to increase the sealing capacity of the covering (5) itself.

Abstract: Locking device (1) (101) for a bearing (2) in a wheel hub (3) which is provided with a cylindrical seat (4) for the bearing (2) itself and an annular groove (5) which is obtained in the axial end of the cylindrical seat (4), the locking device (1) (101) presenting a fixing element (10) which is driven onto an outer race (8) of the bearing (2); a blocking element (11) which is arranged inside the annular groove (5); and a connecting element (12) which is used to connect the fixing element (10) and the blocking element (11) to each other and which is provided with a support resiliently yieldable at least in a radial direction and which is suitable for co-operating with the blocking element (11) itself in order to permit the introduction of the blocking element (11) into the annular groove (5) of the wheel hub (3).

Abstract: A wheel assembly includes a hub and bearing unit in which an annular hub has an axial cylindrical seat with an outer ring of a bearing fitted thereto with radial interference. The ring is locked axially on the hub between a pair of annular rims which project radially outwardly from the outer cylindrical surface of the ring and have been cold-deformed so as to engage two opposite surfaces of the hub. The hub also has an outer radial flange for fixing a brake rotor which in turn has an inner radial flange arranged substantially in the same plane as the flange. The brake rotor is locked axially on the hub by at least one cold-deformed annular rim which projects radially outwardly from the flange on the hub so as to engage a respective one of two radial surfaces of the flange.

Abstract: A hub and brake rotor assembly for a vehicle wheel includes a hub with an axially central cylindrical seat for a bearing. The hub has a cylindrical portion in which the seat for the bearing is formed, and a radially outward flange formed in one piece with a brake rotor, such as a disc or a drum.

Abstract: Sealing device (1) for a rolling bearing (2) which presents an inner race (5), which is axially blocked by a blocking element (4) which is suitable for being arranged in contact with a reference element (6); the device (1) being provided with a distance ring (8) interposed between the blocking element (4) and the reference element (6); the device (1) also being provided with snap fastening means (9) which are integral to the distance ring (8) in order to fasten the distance ring (8) itself to the blocking element (4); the device (1) also being provided with an external covering (10) which is made of rubber material and which is arranged outside the snap fastening means (9) in order to guarantee at least one static seal between the inner race (5) and the blocking means (4) and between the blocking means (4) and the reference element (6).

Abstract: An annular element for a rolling bearing comprises a cylindrical surface around the circumference of which a groove, the radial and axial depth of which are variable around the circumference, is formed. The cylindrical surface is suitable for being over-moulded with a plastics material to form a body which is fixed firmly for rotation with the annular element and has a plastics projection complementary with the groove. The projection can cooperate with the groove to prevent relative rotation between the annular element and the body.

Abstract: Device (1) for measuring the angular speed of rolling contact bearings (2) presenting a protective shield (5) which is mounted onto the rolling contact bearing (2), a phonic wheel (6) which is mounted under the protective shield (5), and a sensor (7), which is mounted onto a stud (8) which is outside the rolling contact bearing (2) and which is provided with an external frontal surface (11) which faces the phonic wheel (6); the protective shield (5) is defined by a rigid wall (18), which is mounted onto a fixed race of the rolling contact bearing (2), and which is provided with at least one passing housing (22) for housing the frontal surface (11) of the sensor (7) and for isolating the frontal surface (11) itself from the outside by means of a rubber membrane (23) which is suitable for remaining in direct contact with the frontal surface (11)

Abstract: Sealing device (1) for a rolling contact bearing (2) presenting an annular sealing lining (5), a protective shield (6) for the lining (5) which is mounted on the outside of the lining (5) itself, and an encoder (15) which is integral to the shield (6) and which is protected by a covering element (16) arranged opposite the shield (6) in relation to the encoder (15).

Abstract: Sealing device for a flanged bearing for a wheel hub in which the flanged ends (13) of the outer race (11) have the metallic rings (14) of a sealing device (15) pressed on to their internal surfaces; each metallic ring (14) incorporates a rubber element (16) which is suitable for forming a static seal on the outer race of the bearing; the rubber element (16) extends towards the inner race (10) of the bearing (12) to then bend back towards the outside of the bearing itself with an appendix (17), which forms two seals (18 and 19) on the internal surface of a second metallic ring (20); the latter is pressed on to the external surface of the inner race (10) of the bearing; a rubber element (21) is applied to the ring (20) in correspondence with its free end (22) which is axially turned towards the inside of the device; the rubber element (22) presents at least two lips (24 and 25), one of which creates a dynamic seal between the two races (10 and 11) of the bearing together with the above-mentioned lips (24 and 2

Abstract: A tapered roller bearing comprising an outer race, a pair of axially adjacent inner races, and two cages interposed between the inner and outer races to retain two sets of rollers. The radially outer surface of each inner race has, close to the end facing the center of the bearing, a groove able to receive a respective plurality of radially inwardly projecting portions of the parts of the cages disposed close to the center of the bearing so that the cages retain the rollers on the respective inner races during the handling and assembly steps which precede mounting of the sub-units comprising the inner race, cage and rollers into the outer race. A pair of seal devices is fixed to the outer race and interposed between the outer race and each inner race close to the outer sides of the bearing.

Abstract: Static sealing element (1) for a rolling bearing (2) which is mounted on a cylindrical element (3) which presents a blocking moulding (4) which is positioned against an inner race (5) of the rolling bearing (2) itself and which is suitable for being arranged in contact with a shoulder (6) the sealing element (1) presenting a support (8) which is associated with the inner race (5) of the rolling bearing (2), and a sealing lip (9), which forms an integral part of the support (8) and which presents, in turn, a substantially conical end portion (17), which axially projects in relation to the blocking moulding (4) and which radially forks opposite the blocking moulding (4) itself.

Abstract: Sealing device (1) for a rolling bearing (2) which is provided with an inner race (5), which is axially blocked by a blocking element (4) which is suitable for being arranged in direct contact with a feedback element (6); the sealing device presents a support element (9) which is mounted on the inner race (5), an encoder wheel (8) which is installed on the inner race (5) and which is an integral part of the support element (9) itself, and a static sealing element (10), which is also an integral part of the support element (9) and which, in turn, presents two lips (21, 22) which are substantially parallel in relation to each other and which extend opposite the support element (9), a first lip (21) of the two lips (21, 22) extends towards the feedback element (6) and comes into contact with it, and a second lip (22) of the two lips (21, 22) extends towards a frontal surface of the inner race (5) and comes into contact with it.

Abstract: Sealing device (1) with a sensor for a rolling bearing (2), in which the sealing shield (7) is mounted between two races of the rolling bearing (2), and a encoder wheel (8) is arranged inside the rolling bearing (2) between the two races and the shield (7); a detecting (9) sensor being arranged inside a housing (10) which is obtained through the shield (7) and which is also arranged with a respective detecting surface which directly faces the encoder wheel (8).

Abstract: Sealing device (1) for a rolling contact bearing (2) provided with two races (3, 4) which are coaxial to each other; the sealing device presents two inserts (5, 6) which are made of metal material and which are each coupled to a relative race, at least one sealing lip (8) which extends between the two inserts (5, 6), and a phonic wheel (9) which is supported by the more external (5) of the two said inserts (5, 6); the more external insert (5) being in its turn provided with an annular housing (19) for containing the phonic wheel (9) which is axially open towards the outside of the bearing (2) and which presents a shield (20) which is made of vulcanised rubber and which is arranged in such a way as to completely seal the said housing (19) itself.

Abstract: A hub bearing unit comprises a rotatable annular element (11) for mounting a wheel, and a stationary annular element (13) to be mounted to the vehicle and defining a rotation axis (x) for the rotatable element (11). The rotatable element has a radial flange (11b) with a radial surface (11c) for axially resting against a brake rotor (16). The stationary element (13) is held in a determined position by means of non rotating retaining means (120, 121) of a machining apparatus to orient the rotation axis (x) in a determined direction.

Abstract: A hub-bearing unit for a motor vehicle wheel comprises a bearing housed in a central axial cylindrical seat of a radially outer annular hub adapted for connection to the wheel of a vehicle. The bearing has an rotating ring the axial width of which is greater than that of the cylindrical seat. The outer ring comprises at least one tubular projection extending axially from one side of the outer ring. The tubular projection comprises an end portion projecting beyond a side surface of the hub and cold deformed in a radially outer direction towards said side surface, so as to lock the outer ring on the hub.

Abstract: A rolling contact bearing is fitted at one end thereof with a sealing device and a device for measuring the relative revolving speed between the bearing races. The sealing device comprises a metal insert (10) of annular shape fast for rotation with the rotating bearing race (11). The speed measuring device comprises a multipolar ring (18) mounted to the metal insert (10) and provided with magnetized segments of alternate polarity in the circumferential direction. The multipolar ring (18) is a ring of plastoferrite co-molded to the metal insert (10). Formed on the insert (10) is formed a plurality of radial recesses (21) adapted to yield, in the co-molding operation, a corresponding plurality of radial protrusions (22) in the multipolar ring (18). The radial recesses and protrusions (21, 22) are mutually engaged so as to prevent relative rotation between the multipolar ring (18) and the metal insert (10), but allow relative radial displacement owing to thermal variations.

Abstract: A rolling bearing unit for the hub of a vehicle wheel has an outer rotating race (10), a radially inner stationary race (11), a sealing device (16) between the races (10, 11), and a device for measuring the rotating speed of the outer race (10). The measuring device has an encoder wheel (13) in the form of a radially oriented annular disc of magnetised plastic or rubber material.

Abstract: A motor vehicle wheel hub bearing comprises an outer race to be mounted in a cylindrical seat formed in a suspension strut and fixed in the seat by cold rolling. The outer race has an outer cylindrical surface to be fitted into the seat. The cylindrical surface extends over the whole axial dimension of the outer race and has a greater axial dimension than that of the strut. The two axially opposite ends of the cylindrical surface comprise respective axial tubular projections adapted to be deformed radially outwardly by cold forming towards respective opposite lateral surfaces of the strut so as to fix the bearing to the strut.

Abstract: A sealing assembly for two mechanical members connected for relative rotation; a first mechanical member is fitted integrally with a substantially rigid shield, from which projects radially an annular sealing member having, on a respective first annular face, a first and a second axial sealing lip, both cooperating in sliding manner with a sealing surface of a second mechanical member; when the first annular face of the annular sealing member is subjected to a pressure substantially equal to the pressure on a second annular face, opposite the first, of the annular sealing member, only the first lip cooperates in sliding manner with the sealing surface, and the second lip mates, with no interference, with the sealing surface to permit fluid passage; conversely, when the first annular face is subjected to a pressure significantly lower than the pressure on the opposite second annular face, the annular sealing member is deformed elastically so that the second lip also cooperates in sliding manner with the sealin