Abstract: Bearing wheel hub unit (1) is provided with a mounting flange (3) which is integral with an inner race (21) of the bearing (2) in order to mount a wheel, and with a centering collar (4) which extends from a frontal surface (31) of the flange (3) to permit the centering of the wheel in relation to the unit (1). The centering collar (4) produced, preferably of alloy, in such a way as to be independent of the mounting flange (3), and is assembled with the flange (3) by fixing onto the frontal surface (31).

Abstract: A hub-bearing assembly for the wheel of a motor vehicle includes a rotatable hub (18) having a radial flange (17) with bores (16) formed therethrough. Wheel fastening studs (10) each have a stem (12) inserted non-forcedly through a respective bore (16). The studs (10) are fixed to the flange (17) by an adhesive or cementing material.

Abstract: Sealing device (1) for a wheel hub group (2) which is connected to a differential device, and which is provided with a rolling contact bearing (3), the sealing device being provided with a first shield (6) which is shrink-fit onto an inner race (4) of the rolling contact bearing (3), and an encoder (7) which is integral with the first shield (6) in order to generate a signal for reading the functioning kinematic parameters of the wheel hub group (2), and is also provided with a second shield (8) which is shrink-fit onto an outer race (5) of the rolling contact bearing (3) in a position which is opposite to and which is also external to the inner shield; a static sealing element (12) is integral with the second shield (8), and is also arranged in contact with a containing box of the differential in order to define a watertight chamber (14) in order to provide a reading surface of a reading sensor (11) which can read the signal which is generated by the encoder itself.

Abstract: Sealing device (1) for rolling contact bearings provided with a shield (2) which may be installed onto an outer race (11) of the bearing (12), and presenting a lateral cylindrical wall (21) which is suitable for being arranged in a radially intermediate position between an encoder (16) and a reading sensor (17) of the bearing (12), and a passing window (29) which is obtained through the lateral cylindrical wall (21) in order to permit the sensor (17) to face the encoder (16); a cover (40) made of plastic material being arranged in such a way as to close the window (29), and being selectively mobile in order to effect variations in pressure between the inside and outside of the bearing (12) between two extreme operating positions in at least one of which the cover (40) is suitable for substantially sealing the window (29).

Abstract: A hub-bearing unit (10) has a rotatable outer race (30) fixable to a wheel and an inner stationary hub (20) forming a passage (27) for pressurized air coming from a source of pressurized air mounted onboard of a vehicle. Tightly fitted on the axially outer side of the unit (10) is a cylindrical cover (50) defining with the unit (10) an airtight chamber (51) communicating with the passage (27). The cover (50) has a through bore (55) for establishing air communication between the chamber (51) and a tube (A, B) for conveying pressurized air to the tire. The cover has an outer wall (52) with a cylindrical portion (52b) axially protruding beyond the hub-bearing unit (10) so as to provide a cylindrical surface for centering the wheel of the vehicle.

Abstract: A hub-bearing assembly for the wheel of a motor vehicle comprises a rotatable hub (18) having a radial flange (17) with bores (16) formed therethrough. Wheel fastening studs (10) each have a stem (12) inserted non-forcedly through a respective bore (16). The studs (10) are fixed to the flange (17) by means of an adhesive or cementing material.

Abstract: Sealing device (1) for rolling contact bearings provided with a shield (2) which may be installed onto an outer race (11) of the bearing (12), and presenting a lateral cylindrical wall (21) which is suitable for being arranged in a radially intermediate position between an encoder (16) and a reading sensor (17) of the bearing (12), and a passing window (29) which is obtained through the lateral cylindrical wall (21) in order to permit the sensor (17) to face the encoder (16) ; a cover (40) made of plastic material being arranged in such a way as to close the window (29), and being selectively mobile in order to effect variations in pressure between the inside and outside of the bearing (12) between two extreme operating positions in at least one of which the cover (40) is suitable for substantially sealing the window (29).

Abstract: A hub-bearing unit (10) has a rotatable outer race (30) fixable to a wheel and an inner stationary hub (20) forming a passage (27) for pressurized air coming from a source of pressurized air mounted onboard of a vehicle. Tightly fitted on the axially outer side of the unit (10) is a cylindrical cover (50) defining with the unit (10) an airtight chamber (51) communicating with the passage (27). The cover (50) has a through bore (55) for establishing air communication between the chamber (51) and a tube (A, B) for conveying pressurized air to the tire. The cover has an outer wall (52) with a cylindrical portion (52b) axially protruding beyond the hub-bearing unit (10) so as to provide a cylindrical surface for centering the wheel of the vehicle.

Abstract: Sealing device (1) for a wheel hub unit (2) which is connected to a differential (3) of a vehicle, and which is provided with a contact rolling bearing (9), the sealing device (1) being mounted in order to protect the bearing (9) from a lubricating fluid which is used to lubricate the differential (3), and presenting a first shield (22) which is integral with an outer race (10) of the bearing (9), a second shield (23) which is arranged inside the first shield (22) and which is integral with an inner race (11) of the bearing (9) and which counter-faces the first shield (22) itself, and a dynamic sealing element (24) which is interposed between the first and the second shield (23); a first static sealing element (51) being associated with a terminal border (37) of the shrink-fit portion (33a), and being arranged inside an external relief (60) in order to create a static seal with a box (5) which extends from the differential (3) to the unit (2).

Abstract: Bearing wheel hub unit (1) provided with a mounting flange (3) which is integral with an inner race (21) of the bearing (2) in order to mount a wheel, and with a centring collar (4) which extends from a frontal surface (31) of the flange (3) itself in order to permit the centring of the wheel in relation to the unit (1) itself; the centring collar (4) being produced, preferably of alloy, in such a way as to be independent of the mounting flange (3), and being assembled with the flange (3) by means of fixing onto the frontal surface (31).

Abstract: Encoder for rolling contact bearings provided with a support portion which is interference-mounted onto a rotating race of the rolling contact bearing, and with a control portion which is integral with the support portion in order to emit a signal in relation to the angular speed of the rotating race; the support portion presenting a rigidity which is less than that of the control portion in order to absorb any eventual deformation which might be due to assembly or functioning.

Abstract: A seal (1) for rolling-contact bearings, the seal (1) being mounted between an outer race (4) and an inner race (3) of the bearing (2), and being provided with a first shield (20) fitted on the inner race (3), with a second shield (30) fitted on the outer race (4), and with a single lip seal fixed to the second shield (30) and set in sliding contact with the first shield (20); the first shield (20) having a contact wall (22) with a toroidal shape set up against the sealing lip (40), which is in turn provided with at least two contacting annular portions (42, 44) acting in substantially opposite radial directions, and with a cove of separation (43) between the at least two contacting portions (42, 44), which is elastically deformable to increase a contacting action of the contacting portions (42, 44) themselves on the contact wall (22).

Abstract: Sealing device (1) for a wheel hub group (2) connected to the differential (3) of a vehicle, and provided with a rolling bearing (9), the sealing device (1) being mounted in such a way as to protect the bearing (9) from a lubricating fluid for the lubrication of the differential (3), and presenting a first shield (22) which is integral with an outer race (10) of the bearing (9), a second shield (23) which is arranged inside the first shield (22) and which is integral with an inner race (11) of the bearing (9) and which faces the first shield (22) itself, and a dynamic sealing element (24) which is interposed between the first and second shields (22, 23); the second shield (23) being defined by a support portion (25) made of metallic material and force fit onto the inner race (11) and a cylindrical encoder (27) which is integral with the support portion (25), and the first shield (22) being made of metallic material lined with rubber material, and being provided with a loophole (38) which is suitable for being

Abstract: Sealing device (1) with an encoder (7) which is suitable for reading the kinematic parameters of the functioning of a rolling contact bearing (3), the device (1) presenting a first shield (6) which is shrink-fit onto an external surface (42) of an inner race (4) of the contact rolling bearing (3) in order to support the said encoder (7), and a deformable blocking device (11), which is obtained on the first shield (6) and which is engaged in a circular groove (44) which is obtained on the external surface (42) in order to axially block the first shield (6) itself onto the inner race (4) while leaving free a contact portion (45) of the external surface (42) itself.

Abstract: Sealing device (1) for a wheel hub group (2) which is connected to a differential device, and which is provided with a rolling contact bearing (3), the sealing device being provided with a first shield (6) which is shrink-fit onto an inner race (4) of the rolling contact bearing (3), and an encoder (7) which is integral with the first shield (6) in order to generate a signal for reading the functioning kinematic parameters of the wheel hub group (2), and is also provided with a second shield (8) which is shrink-fit onto an outer race (5) of the rolling contact bearing (3) in a position which is opposite to and which is also external to the inner shield; a static sealing element (12) is integral with the second shield (8), and is also arranged in contact with a containing box of the differential in order to define a watertight chamber (14) in order to provide a reading surface of a reading sensor (11) which can read the signal which is generated by the encoder itself.

Abstract: Sealing device (1) for a wheel hub unit (2) which is connected to a differential (3) of a vehicle, and which is provided with a contact rolling bearing (9), the sealing device (1) being mounted in order to protect the bearing (9) from a lubricating fluid which is used to lubricate the differential (3), and presenting a first shield (22) which is integral with an outer race (10) of the bearing (9), a second shield (23) which is arranged inside the first shield (22) and which is integral with an inner race (11) of the bearing (9) and which counter-faces the first shield (22) itself, and a dynamic sealing element (24) which is interposed between the first and the second shield (23); a first static sealing element (51) being associated with a terminal border (37) of the shrink-fit portion (33a), and being arranged inside an external relief (60) in order to create a static seal with a box (5) which extends from the differential (3) to the unit (2).

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 wheel hub group (2) connected to the differential (3) of a vehicle, and provided with a rolling bearing (9), the sealing device (1) being mounted in such a way as to protect the bearing (9) from a lubricating fluid for the lubrication of the differential (3), and presenting a first shield (22) which is integral with an outer race (10) of the bearing (9), a second shield (23) which is arranged inside the first shield (22) and which is integral with an inner race (11) of the bearing (9) and which faces the first shield (22) itself, and a dynamic sealing element (24) which is interposed between the first and second shields (22, 23); the second shield (23) being defined by a support portion (25) made of metallic material and force fit onto the inner race (11) and a cylindrical encoder (27) which is integral with the support portion (25), and the first shield (22) being made of metallic material lined with rubber material, and being provided with a loophole (38) which is suitable for being

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