Abstract: A suspension thrust bearing including a first race, a second race, a row of rolling bodies disposed between the two races, a first cap 13 in contact with the first race, and a first cup 4 in contact with the first cap 13. The first cap 13 includes integral axial retention means for retaining the first cup 4.

Abstract: Ratchet free wheel device comprising a first element 1 provided with cavities 14, a number of ratchets 28 able to project into said cavities 14, and a second element 2 for supporting the ratchets 28 so that the second element 2 rotates as one with the first element 1 in one direction of relative rotation of said first and second elements and is free to rotate in an opposite direction of relative rotation. The device comprises a means of controlling the ratchets 28 which is capable of preventing them from projecting into said cavities 14 so that the second element 2 is free to rotate with respect to the first element 1 in two opposite directions of relative rotation of said first and second elements when said control means is active.

Abstract: Suspension thrust rolling bearing device of the type comprising a first ring 12, a second ring 13 made of thin sheet, a row of rolling bodies 14 arranged between the two rings, a cap 16 secured to the first ring and a plate 11 capable of forming a seat for a spring 10. The plate 11 comprises a means for securing it directly axially to the second ring 13 or to the cap 16.

Abstract: A suspension thrust bearing includes a first race, a second race, a row of rolling members disposed between the two races, a cap fastened to the first race and a sealing member that is fastened to a rotary or non-rotary member and cooperates with a respectively non-rotary or rotary surface. The sealing member includes a seal that is initially separate from the cap. The seal is mounted on the cap. It has a bead which is force-fitted in an annular groove in the cap. The seal is disposed axially between the cap and the second race or another cap fastened to the second race and has a lip that comes into rubbing contact with a bearing surface formed by a surface of the second race or of the other cap fastened to the second race.

Abstract: The invention concerns a clutch release bearing comprising an antifriction bearing (1) provided with a rotating ring (5) and a non-rotating ring (10), and mounted on a control element (2) provided with a tubular part (3) and a radial flange (4) whereon is urged to rest a radial portion of the non-rotating ring (10), and a self-aligning sleeve (15) arranged between the non-rotating ring (10) and the control element (2). The self-aligning sleeve (15) is fixed by being clamped on a cylindrical shaft (13) of the member supporting it, and comprises a metal reinforcement (17) provided with a tubular portion radially delimited by two surfaces of revolution, one of the two surfaces being coated with an elastic substance forming self-aligning means.

Abstract: A suspension thrust bearing including a first race, a second race, a row of rolling bodies disposed between the two races, a first cap 13 in contact with the first race, and a first cup 4 in contact with the first cap 13. The first cap 13 includes integral axial retention means for retaining the first cup 4.

Abstract: Ratchet free wheel device comprising a first element 1 provided with cavities 14, a number of ratchets 28 able to project into said cavities 14, and a second element 2 for supporting the ratchets 28 so that the second element 2 rotates as one with the first element 1 in one direction of relative rotation of said first and second elements and is free to rotate in an opposite direction of relative rotation. The device comprises a means of controlling the ratchets 28 which is capable of preventing them from projecting into said cavities 14 so that the second element 2 is free to rotate with respect to the first element 1 in two opposite directions of relative rotation of said first and second elements when said control means is active.

Abstract: A suspension thrust bearing includes a first race, a second race, a row of rolling members disposed between the two races, a cap fastened to the first race and a sealing member that is fastened to a rotary or non-rotary member and cooperates with a respectively non-rotary or rotary surface. The sealing member includes a seal that is initially separate from the cap. The seal is mounted on the cap. It has a bead which is force-fitted in an annular groove in the cap. The seal is disposed axially between the cap and the second race or another cap fastened to the second race and has a lip that comes into rubbing contact with a bearing surface formed by a surface of the second race or of the other cap fastened to the second race.

Abstract: Suspension thrust bearing with retaining means Suspension thrust rolling bearing device of the type comprising a first ring 12, a second ring 13 made of thin sheet, a row of rolling bodies 14 arranged between the two rings, a cap 16 secured to the first ring and a plate 11 capable of forming a seat for a spring 10. The plate 11 comprises a means for securing it directly axially to the second ring 13 or to the cap 16.

Abstract: Freewheel device 1 of the type comprising an outer ring 2 having an inner sliding path 3 , an inner ring 4 or a shaft having an outer sliding path 5, a freewheel 6 disposed between the sliding path of the outer ring and the sliding path of the inner ring and comprising a plurality of cams 7 disposed in windows 9 in a cylindrical part 8a of at least one cage 8 and assuring unidirectional coupling between the outer and inner rings, and at least one bearing member 11 disposed radially between the outer and inner rings for maintaining said outer and inner rings concentric, said bearing member having a radial part 11a provided with at least two holes for circulation of lubricant. At least one hole is near the outer ring.

Abstract: A rolling bearing, in particular for motor vehicle steering column comprising an external ring (4) provided with a bearing raceway, an internal ring (6) provided with a bearing raceway, a row of rolling elements (8) arranged between the bearing raceways of said rings, tolerance ring (9) linking the internal ring with the shaft (3), and a spring washer (11) for blocking the bearing on the shaft (3). The external ring (4) comprises bosses (12) for axially maintaining the spring washer (11).

Abstract: Freewheel device 1, of the type comprising an outer race 2 which has an inner track 3, an inner race 4 which has an outer track 4, a freewheel 6 situated between the tracks of the said races, at least one member 7 forming a bearing intended to keep the said races 2, 4 concentric, and at least one lateral retaining endplate 12, secured to one of the races in order axially to hold the freewheel 6 and the member forming the bearing with respect to the said race. The endplate 12 comprises a first radial portion 12a adjacent to the corresponding holding member 7 for retaining it axially, and a second more or less radial portion 12b cut into tabs projecting into an annular groove 21 formed in one of the races, the said endplate coming into contact with a side wall 21a of the said groove.

Abstract: Rolling-contact bearing equipped with a sealing device for the passage of a fluid. The bearing comprises a rotating race and a non-rotating race, through each one of which there pass channels (6,7) for the passage of fluid, rolling bodies (3) between the rotating race and non-rotating race, and a sealing device (8) mounted between the rotating race and non-rotating race to form a sealed intermediate chamber (14) communicating with the channels (6,7) for the passage of the fluid. The intermediate chamber has two flexible walls (11), the free end parts of which form two sealing lips (12) in rubbing contact with a bearing surface (13) of one of the races (2) of the bearing. The sealing device (8) comprises two coaxial seals made of a flexible material and held against each other by means of a metal reinforcing member (10), each of the seals comprising a ring of axial teeth (16) separated from one another by circumferential gaps.

Abstract: The rolling-contact bearing comprises one outer race 11, two inner races 12,13, two rows of rolling bodies 14 held in cages 15 and a built-in device for detecting the speed of rotation, of the type comprising a sensor means 17 and an encoder means 19 which are located in the annular chamber defined between the inner races 12, 13 and outer race 11 and the rolling bodies 14. The encoder means 19 comprises an active part 20 capable of creating in the sensor means 17 a periodic signal of frequency proportional to the rotational speed of the bearing 1. The encoder means 19 comprises a support part 21 secured to the inner races 12,13 and made of a nonmagnetic material, so that the said support part 21 axially holds the inner races 12,13 against each other before the bearing 1 is mounted in the mechanical assembly for which it is intended.According to the invention, the encoder axially secures the inner races after the bearing has been assembled and cannot come into contact with the rolling bodies.

Abstract: A member for axially retaining a rolling-contact bearing (6) relative to a mechanical element (13) radially adjacent to the rolling-contact bearing consists of an open metallic ring (21) which can be elastically deformed radially, produced from a thin sheet of metal, and including a substantially cylindrical part (22), at least one end of which is equipped with a radial rim intended to interact both with a circular groove (14) formed in a housing (12) of the mechanical element adjacent to the rolling-contact bearing and with the non-rotating race (11) of the rolling-contact bearing, so as to form an axial limit stop for the latter.

Abstract: The encoder element (8) for a rolling-contact bearing equipped with an information sensor assembly is rendered integral with a rotating race of the bearing and interacts with a sensor of the said information sensor assembly in order to detect the speed of rotation of the bearing. It comprises an annular target (13) made of ferromagnetic material provided with a cylindrical bearing surface (13a) for mounting on the rotating race of the bearing and with a flat disc-shaped radial part (13b) with windows (13c) or slots of identical size and uniformly distributed along the circular path, and an axially magnetized bipolar ring (14) provided with axial crenellations (14b) which are uniformly and circumferentially distributed and which penetrate axially into the said windows or slots in the target.

Abstract: The sealing device (8) for the passage of a fluid between a rotating race and a non-rotating race of a bearing each penetrated by channels (6, 7) for the passage of the fluid, comprises a one-piece annular central body (9) of elastic material having a circular shoulder (10) for fixing to one of the races (1), and two main sealing lips (12) which mutually form an annular intermediate chamber (13) and which are in friction contact with the other race (2). The central body (9) is penetrated by at least one channel (15) communicating with the channels (6) of the race associated with the circular fixing shoulder, and also with the intermediate chamber, which communicates with the channels (7) of the other race, so that the fluid introduced into the channels of one of the races of the bearing passes through the central body in a leaktight manner and exits through the channels of the other race.

Abstract: The rolling-contact bearing comprises a rotating race and a non-rotating race through each of which there pass ducts (6, 7) for passage of fluid, rolling elements (3) between the rotating and non-rotating races, and a sealing device (8) fitted between the rotating and non-rotating races in order to form a leaktight intermediate chamber (14) communicating with the ducts (6, 7) for the passage of fluid. The intermediate chamber has two flexible walls (11) of which the free end parts form two sealing lips (12) in frictional contact with a contact surface (13) of one of the races (2) of the bearing. The frictional contact surfaces (13) are inclined with respect to the axis (XX') of rotation of the bearing. The flexible walls (11) extend substantially parallel to the contact surfaces so that the contact pressure between the sealing lips and the surfaces varies in the same direction as the pressure of the fluid in the intermediate chamber (14) of the sealing device.

Abstract: A device for sensing the rotation speed of a bearing comprises an encoder member fastened to a rotating part of the bearing and a sensor assembly comprising a plastics material sensor support housing a sensor and a metal support for locating and fastening the sensor assembly on and to a non-rotating part of the bearing. The sensor support is overmolded onto the latter's outside surface. The sensor faces the encoder member in order to measure its rotation speed. The-metal support comprises a substantially axial centring portion adapted to cooperate removably with a bearing surface on the non-rotating part of the bearing and a washer-like plane radial portion adjacent the centring portion adapted to be clamped between a radial surface of the non-rotating part of the bearing and a radial surface of a non-rotating member. The device may be fitted to vehicle wheel hub assemblies.

Abstract: The device for detecting the rotational speed of a rolling-contact bearing includes an encoding element provided with a multipolar ring with axial magnetism secured to the rotating race of the bearing. The device further includes a sensor element provided with a passive sensor with a coil wound in an annular magnetic flux concentrator of U-shaped cross-section, and with a sensor holder secured to the non-rotating race of the bearing. The multipolar ring and the sensor element are located radially with an air gap. The magnetic flux concentrator includes a cylindrical part delimited axially by two collecting branches situated radially outside the cylindrical part. At least one of the collecting branches includes teeth on its periphery. Also, that branch of the flux concentrator which is located on the same side as the rolling elements is inclined toward the adjoining row of rolling elements.