Abstract: The invention concerns an instrumented antifriction bearing device, provided with a non-rotating part including a non-rotating ring and sensor element, a rotating part including a rotating ring and encoder, and at least a row of rolling bodies arranged between two raceways of the non-rotating and the rotating rings. The non-rotating sensing element and the rotating encoder form an assembly detecting rotation parameters. The device includes a maintenance device for temporarily maintaining the angular indexing of the encoder relative to the sensing element in an angular position, wherein the encoder generates in the sensing element a reference signal. The maintenance device temporarily maintains the angular indexing device in position until released, as for example, by the axial displacement of at least part of an element of the device towards the row of rolling bodies.

Abstract: A vehicle wheel bearing has a sealing device (12) on an inboard side of the bearing with a first sealing plate (23) mounted on an inner ring (3), and a second sealing plate (24) mounted on an outer member (10), arranged opposite to the first sealing plate (23). The first sealing plate (23) has a radially extending portion arranged on the inboard side of the bearing. An encoder (25) is bonded on the radially extending portion. The encoder (25) is made of elastomer material which includes magnetic substance powder. The N and S poles are alternately magnetized along the circumferential direction. The second sealing plate (24) has a substantially “L”-shaped cross-section formed by a cylindrical portion and a radially extending portion. Integral side-lip(s) slidingly contact the radially extending portion of the first sealing plate (23). A protecting cover (27) is mounted on the first sealing plate (23) so that it intimately contacts with the encoder (25).

Abstract: A device for detecting one or more parameters of a rotary member angular displacement, includes: and instrumented roller bearing (1) provided with a non-rotating part including a non-rotating ring (2) and a sensor block (8), a rotating part including a rotating ring (2) and a coding ring (15) mounted opposite the sensor block (8) and at least a row of rolling elements (4); and elements for processing signals transmitted by the sensor block. The sensor block (8) comprises at least two sensing elements (9, 10) co-operating with the single coding ring, signals transmitted independently by each sensing element corresponding to the same parameter of angular displacement, so as to supply to the processing elements a redundant information on the parameter of angular displacement.

Abstract: A bearing device includes: an inner ring member through which a shaft is passed and which is supported rotatably about an axis of the shaft and includes an inner ring raceway surface; an outer ring member arranged concentrically with the inner ring member and including an outer ring raceway surface; a plurality of rollers arranged rollably between the inner ring raceway surface and the outer ring raceway surface; a lubricating path through which lubricant is supplied to at least one of the inner ring raceway surface and the outer ring raceway surface; and a lubricating device which supplies the lubricant to the lubricating path according to rotating speed of the inner ring member about the axis.

Abstract: A sensing assembly senses varying parameters of a bearing mechanism. The bearing mechanism includes a circular bearing housing. The sensing assembly includes a sensor case. The sensor case is fixedly secured to the bearing mechanism. The sensor case includes a peripheral surface and a top plate with extensions protruding outwardly therefrom. The sensing assembly also includes a sensor housing that is removably insertable into the sensor case. The sensor housing selectively engages the extensions of the sensor case to secure the sensor housing in the sensor case at a location spaced from the bearing mechanism. The sensing assembly includes a sensor that is disposed within the sensor housing. The sensor senses the parameters of the bearing mechanism, wherein the sensor and the sensor housing may be removed from the bearing mechanism and replaced without replacing the bearing mechanism.

Abstract: Instrumented rolling bearing device of the type including a non-rotating race, a rotating race, at least one row of rolling elements arranged between two raceways of the rotating and non-rotating races, and an assembly for detecting rotation parameters including a non-rotating sensor assembly and a rotating encoder, and an elastic member intended for axially prestressing the rolling bearing, retained axially on the sensor, the elastic member being of annular shape and having a diameter smaller than or equal to that of the outer race of the bearing, the elastic member including a supporting surface designed to be in contact with an element outside the bearing device in order to exert, directly or indirectly, by reaction, an axial force on the non-rotating race in a direction opposite to the detection assembly.

Abstract: An online bearing monitor that connects between the bearing lubrication port and a lubrication device. The monitor provides for two-way communication to detect the lubrication and maintenance needs of a machine bearing. The monitor processes and stores temperature and vibration signals to determine corrective measures. The corrective measures can be conveyed wire or wirelessly to remote stations.

Abstract: It is prevented that magnetic foreign matter adheres the magnet encoder 3a to deteriorate the reliability of rotation speed detection with the sensor 4a. The encoder 3a is provided on the outside of the combined seal ring 19 with reference to the bearing interior space 24, and the sensor 4a faces the encoder 3a. The knuckle 21 is placed close to the housing 33 of the drive shaft member 28 of the constant velocity joint 27 to form a labyrinth seal 20. The width of the clearance of this labyrinth seal 20 is up to 40% of the pitch of adjacent S-poles and N-poles that are arranged on the detected surface of the encoder 3a. With this construction, larger foreign matter is prevented from attaching to the detected surface of the encoder 3a to solve the above subject.

Abstract: A bearing provided with a rotation sensor comprises an outer ring, an inner ring and rolling elements, and a magnetic ring is engaged with the inner diametral surface of the outer ring. Thus, a highly reliable bearing provided with a rotation sensor exerting no bad influence on a magnetic sensor can be provided.

Abstract: A bearing for a control arm of a wheel suspension of a vehicle has at least one sensor (18, 28, 38, 48, 58) arranged in or at the bearing (11, 21, 31, 41). The sensor determines the relative movement of the vehicle parts connected to each other by the bearing (11, 21, 31, 31, 41).

Abstract: The invention concerns an instrumented antifriction bearing device provided with a non-rotating part comprising a non-rotating ring (2) and sensing means (11), a rotating part comprising a rotating ring (4) and coding means (16), and at least a row of rolling elements (6) arranged between the two raceways (3, 5) of the non-rotating (2) and the rotating (4) rings, the sensing means (11) being fixed in a groove (10) of said non-rotating ring (2) arranged proximate to a radial lateral surface (2a) of the non-rotating ring (2). The non-rotating part further comprises sealing means (21) arranged axially between the sensing means (11) and the rolling elements (6) substantially at the groove (10), the sealing means (21) being separate from the sensing means (11).

Abstract: To provide a wheel support bearing assembly capable of securing a satisfactory sealability and of accomplishing an assured press-fit of an magnetic encoder, the wheel support bearing assembly for supporting a vehicle wheel rotatably relative to a vehicle body structure includes an outer member 2, an inner member 1 positioned inside the outer member 2 with an annular bearing space delimited between it and the outer member 2, and rows of rolling elements 3 rollingly within the annular bearing space. At least one sealing unit 5 is provided for sealing one of opposite open ends of the annular bearing space. This sealing unit 5 is comprised in part of a magnetic encoder 10 including a multi-pole magnet member 14 having a plurality of opposite magnetic poles alternating in a direction circumferentially thereof and a first sealing plate 11 serving as a core metal. The first sealing plate 11 is press-fitted onto the inner member 1 with the amount of interference fit to be within the range of 5 to 230 &mgr;m.

Abstract: To provide a magnetic encoder that has an increased detecting sensitivity, can be thin-walled, have an increased reliability and an increased durability, can easily be handled during manufacture and assembly and is excellent in productivity, the magnetic encoder (10) includes a multi-pole magnet element (14) having opposite magnetic poles alternating with each other in a circumferential direction, and a core metal (11) for supporting the multi-pole magnet element (14). The multi-pole magnet element (14) is made of a sintered element prepared by sintering a powdery mixture of a powdery magnetic material and a powdery non-magnetic metallic material.

Abstract: A rotor for the rotation sensor mounted on a bearing unit for a wheel on an automotive vehicle and used to detect the number of revolutions of the wheel, said rotor for the rotation sensor includes a reinforcing ring (2) secured to the radial outside of the rotational part or element of the bearing unit, a cylindrical multi-pole magnet (3) extending in the axial direction and arranged on the radial outside of said reinforcing ring (2), and a nonmagnetic cover ring (4) arranged on the radial outside of said cylindrical multi-pole magnet (3) and covering the radial outer surface of said cylindrical multi-pole magnet (3).

Abstract: The present invention aims to provide a sensor cover capable of avoiding a pulser ring from being damaged by the sensor cover with excellent positional accuracy relative to the pulser ring or the like. The present invention provides a rolling bearing apparatus having a structure in which whereas an outer peripheral edge of a sensor main body 38 of a sensor cover 37 is folded to bend to an inner side of a bearing and a conical portion 39a as a fitting portion is formed at a folded to bend portion 39 thereof, a conical portion 40a as a fitted portion for fitting the fitting portion is formed at an inner peripheral surface 40 of an outer ring 31 and a position in an axial direction of the sensor cover 37 relative to a is pulser ring 15 is set to position by fitting the two conical portions.

Abstract: The bearing clearance is controlled to be negative by a dimensional control process so as to enhance bearing rigidity. A multipole encoder 81 is attached to a slinger, which is a rotating member, of a sealing assembly 13, and a sensor 82 for sensing a change in magnetic flux caused by rotation of the encoder 81 is provided to an outer member 10 that is the stationary side, so as to determine the speed of rotation of the rotating member based on detected data from the sensor 82. Because of the enhanced bearing rigidity, the air gap between the encoder 81 and the sensor 82 is accurately maintained even if moment load is applied to the bearing device.

Abstract: To provide a magnetic encoder which can be assembled having a thin-walled structure while securing an excellent detection sensitivity and which can provide an excellent moldability by suitably selecting materials, the magnetic encoder is provided which includes a multi-pole magnet 14 having a plurality of opposite magnetic poles alternating in a direction circumferentially thereof, and a core metal 11 for supporting the multi-pole magnet. The multi-pole magnet 14 contains a powdery magnetic material mixed in an amount within the range of 20 to 90 vol. % relative to the total volume of the multi-pole magnet 14. The multi-pole magnet 14 may be a sintered magnet.

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: A wheel-speed-sensor connector-plug bracket and a vehicle wheel bearing including such bracket. The bracket is adapted for removable attachment to a sensor ring of a wheel speed sensor of a vehicle wheel bearing, is adapted for attachment to a non-bearing vehicle component, and is adapted for attaching thereto a connector plug of the wheel speed sensor. The wheel bearing includes a vehicle-wheel-bearing non-rotatable section and a wheel speed sensor having a sensor ring assembly. The sensor ring assembly has a sensor ring attached to the non-rotatable section, a connector plug adapted for electrical connection to a vehicle computer cable, an electrical conductor, and a bracket. The electrical conductor electrically connects the sensor ring to the connector plug. The bracket is adapted for removable attachment to the sensor ring, and is adapted for attachment to a non-bearing vehicle component. The connector plug is attachable to the bracket.

Abstract: A wheel-speed sensor mechanism assembly, a vehicle wheel bearing including such assembly and a wheel speed sensor. The assembly includes a vehicle wheel-speed sensor mechanism (such as, but not limited to, an ABS wheel-speed sensor mechanism), a sensor-mechanism housing supporting the sensor mechanism, and an electrical plug. The electrical plug is substantially immovable attached to the sensor-mechanism housing, is electrically connected to the sensor mechanism and is adapted for electrical connection to a vehicle wire. The vehicle wheel bearing includes a target ring attached to a rotatable section of the wheel bearing and includes a sensor mechanism assembly having a sensor mechanism, a sensor-mechanism housing, and the previously-described electrical plug wherein the vehicle wire is a vehicle computer cable. The sensor mechanism senses rotation of the target ring. The sensor-mechanism housing supports the sensor mechanism and is attached to a non-rotatable section of the wheel bearing.

Abstract: A rotation detection sensor provided at a cover member relative to a non-rotation member includes a fitting member including a convex portion inserted into an assembling bore formed on the cover member and a detection portion provided at the fitting member and facing a rotor. The convex portion is unitarily formed with the cover member with resin molding.

Abstract: The invention relates to a device for detecting the rotation speed of a rotating element supported by at least one external rotating ring with at least one roller bearing. At least one internal non-rotating ring of the roller bearing is solidly connected to a shaft mounted on a support. The inventive device includes a non-rotating sensor adjacent to the roller bearing and a rotating encoder. The encoder is at least partially fixed by magnetization to a flange which is integral to the rotating ring and which is made from a magnetizable material.

Abstract: In order to detect rotational speed and rotational direction of an axle, achieve compact formation of the rotation detector, and be excellent in dust resistance performance, the present invention provides a rolling bearing apparatus comprises balls interposed between respective raceway surfaces of inner and outer ring members and a seal apparatus is mounted between shoulder portions of the inner and outer ring members. The seal apparatus is constituted by an outer ring side seal ring fixed to the outer ring member and an inner ring side seal ring fixed to the inner ring member. Moreover, a pulser ring is fixed to an inner face of a ring-like core metal of the inner ring side seal ring and on an outer diameter side of a ring-like core metal of the outer ring side seal ring. A regular and reverse rotation detecting sensor is molded by a resin-made external member to integrate.

Abstract: A compact rolling bearing with a rotation sensor is proposed which has a shortened axial length of a housing for mounting the rotation sensor. The rolling bearing comprises a rotating bearing ring and a fixed bearing ring, and the rotation sensor comprises a rotating element mounted to the rotating bearing ring and a detecting element mounted on the fixed bearing ring so as to oppose the rotating element, and an electric circuit board. The electric circuit board has a flexibility. With this arrangement, it is possible to mount the electric circuit board in a curved state in a limited space on a peripheral wall of the sensor housing, and thus to shorten the axial length of the sensor housing. This provides a compact rolling bearing with the rotation sensor. Another embodiment has a magnetic encoder, the binder for which is heat-resistant nitrile rubber, fluorine rubber or silicone rubber.

Abstract: A wheel support bearing assembly includes inner and outer members (1 and 2) and at least one row of rolling elements (3) operatively interposed between the inner and outer members (1 and 2) and an annular sealing device (5) sealing an open end of an annular space defined between the inner and outer members (1 and 2). The sealing device (5) includes first and second annular sealing plates (11 and 12) fitted to different members out of the inner and outer members (1 and 2). Each of the first and second sealing plates (11 and 12) includes a generally cylindrical wall (11a or 12a) and a radial wall (11b or 12b) assembled together to represent a generally L-shaped section. The first sealing plate (11) is fitted to one of the inner and outer members (1 and 2) that serves as a rotating member. An elastic member (14) mixed with a powdered magnetic material is bonded by vulcanization to the radial wall (11b) of the first sealing plate (11).

Abstract: The invention concerns a roller device with instrumented ball bearing of the type supported by a non-rotating element and provided with a sensor of rotational parameters, characterised in that the ball bearing (2) and the sensor means (4) are rigidly mounted on a fixing element (3) adapted to co-operate with another mechanical member for fixing the device.

Abstract: This invention concerns a system for the attachment of an information sensor opposite to, and at an air gap's distance from, the coder of a bearing, with said system including a cap to be associated with a ring that at least partly covers the coder, where, in combination, the cap includes at least one device for attachment of the sensor to the internal surface of said cap and one device for electrical connection of said sensor.

Abstract: To provide a rotation detecting device with a function of transmitting a rotational speed detection signal wireless and enable the rotation detecting device to be assembled compact in size without requiring any anti-rusting treatment to a multi-pole magnet assembly and a magnetic ring assembly, the rotation detecting device includes an electric power generator (11) for generating an electric power by a relative rotation between a non-rotatable member (1) and a rotatable member (7). The electric power generator (11) includes a multi-pole magnet assembly (13) and a magnetic ring assembly (12). A wireless transmission device (14) for transmitting the rotational speed detection signal outputted by the electric power generator (11) is employed.

Abstract: To avoid an adherence of metallic particles from a knuckle to a magnetic encoder during coupling of a wheel support bearing assembly to the knuckle and/or transportation of the wheel support bearing assembly, a protective cap (18) is provided. The wheel support bearing assembly with which the protective cap (18) can be used is of a type including a magnetic encoder (10) provided in a sealing unit (5). This protective cap (18) includes an annular cover-up portion (18a) for enclosing an annular surface of the magnetic encoder (10) that is exposed bare to the outside, and an engagement wall (18b). The engagement wall (18b) is integral with the annular cover-up portion (18a) and of a cylindrical shape capable of being removably engaged in the wheel support bearing assembly.

Abstract: A turbocharger comprising two closely spaced ball bearings that does not require lubricating oil from an engine. The bearing housing forms a cooling jacket with two bearing engagement surfaces engaged with the outer races of the ball bearings through an intermediate radial spring. Closely spacing the ball bearings provides a rotor shaft of minimal length. In addition, an external motor-generator may be by mounted on the turbocharger, with the motor rotor solidly connected to the turbocharger rotor. In such an assembly, an electronic control is energizes the motor from battery power during acceleration up to approximately torque peak speed; thereafter, the control changes to a generator mode when there is excess energy in the engine exhaust gas.

Abstract: A bearing provided with a rotation sensor comprises an outer ring, an inner ring and rolling elements, and a magnetic ring is engaged with the inner diametral surface of the outer ring. Thus, a highly reliable bearing provided with a rotation sensor exerting no bad influence on a magnetic sensor can be provided.

Abstract: Bearing/hub group (1) with a sensor (8) for vehicle wheels, the group (1) presenting at least one rolling race which can revolve around a rotation axis A: a fixed rolling race (4) which is arranged outside the revolving rolling race (3) in a position which is coaxial to the revolving rolling race (3) itself and which is provided with a support flange (7) which projects towards the outside; and a sensor (8) which is mounted on the fixed revolving race (4) being made of different materials, and being connected to each other by an interface element (9) which is integral with the flange (7), and by two axial blocking elements (10) which are integral with the fixed rolling race (4) and which abut the interface element (9).

Abstract: A wheel bearing includes a sealing device 5 positioned between inner and outer members 1 and 2. This sealing device 5 includes an elastic member 14, which eventually forms an encoder grid and is provided on a first annular sealing plate 11. A second annular sealing plate 12 is provided with sealing lips 16a to 16c. An engagement 18 between a cylindrical wall 11a of the first annular sealing plate 11 and the inner member 1 is provided with an elastic member 20 made of a material dissimilar to that for the elastic material 14. This elastic member 20 may be a rubber coated layer, resin paint layer, a thin film of adhesive material or a ring-shaped rubber member. Thereby, any possible ingress of water across an engagement surface of the annular sealing plate is prevented, accompanied by increase of the lifetime of the bearing, with no problem associated with separation and displacement of the annular sealing plates. The magnetic flux density can also be easily secured.

Abstract: A unit consisting of a bearing equipped with a data sensor device and a housing in which the bearing is coupled. The bearing consists of an inner turning collar designed to be attached to a turning body, an outer fixed collar coupled to the housing, and rolling bodies positioned between them. The data sensor device consists of a coder that generates magnetic impulses attached to the turning collar and, attached to the fixed collar, a sensor equipped with at least two sensitive components capable of detecting such impulses. The housing is designed to permit said bearing to be locked radially and to lock the bearing axially in one direction. The unit further consists of a coupling piece for the bearing inside the housing configured such that the bearing is locked at least in the other direction.

Abstract: A surface to serve as a surface under ultrasonic inspection has a roughness of 0.4 &mgr;mRa or less, and wherein all imperfections existing a controlled volume X corresponding to all cross sections of a raceway ring 1 assume a length of 0.2 mm or less as represented by the square root of areas of the imperfections. Accordingly, it is possible to provide a rolling bearing which does not become short-lived and obviates a concern about occurrence of cracking even when used in a harsh environment.

Abstract: The invention relates to a bearing or bearing assembly of the type containing, between a stationary ring and a rotating ring, a unit that includes an encoder-support armature; a device for measuring the pulses emitted by the encoder; and a sensor-support armature; and in which the unit also includes a radio transmitter connected to said measuring device in such a way as to transmit a radio wave representing the signals generated by said device to an external receiver designed to be located away from the unit, said receiver being capable, on the basis of these waves, of addressing to a computer the signals necessary for calculating the direction of rotation and/or speed of rotation and/or position of the encoder in relation to the measuring device.

Abstract: A rotary position sensor is formed with a self-lubricating bearing. The rotary position sensor includes a race which forms one bearing surface. A drive arm assembly forms a bearing element forming two mating bearing surfaces. For applications in which the bearing may be subjected to environmental conditions that could result in corrosion, one bearing surface may be formed from a corrosion resistant metal, such as stainless steel, while the mating bearing surface is homogeneously formed with the bearing element from a composite material which includes PFTE or Teflon. By homogeneously forming the bearing element from a composite material which includes Teflon, wear of the bearing element will not effect lubrication of the bearing.

Abstract: An instrumented antifriction bearing, for control wheel, includes an outer part (1), an inner part (8), one rotating and the other non-rotating, a row of rolling elements (12) arranged between the rotating and non-rotating parts, and elements for detecting rotation parameters. The rotating part is provided at one of its axial ends with elements for fixing and angularly linking the rotating part on a control wheel, the non-rotating part comprising a radial surface (3a) provided with elements for being fixed on a support.

Abstract: A bearing is provided including a first part provided with a first coil (4) and a second part rotatable with respect to the first part about a bearing axis and being provided with a second coil which is electromagnetically coupled to the first coil. The first and second coil are magnetically enclosed by a first covering and a second covering, respectively. The first covering is fixed to the first part and the second covering is fixed to the second part. An air gap is formed between facing ends of the first and second coverings, with at least one of the facing ends of the first and second coverings being provided with at least one recession, such that the air gap varies when the first part and second part rotate with respect to each other. This may be used to provide an indication of speed (bearing rotation) without further sensors.

Abstract: Roller bearing (1) equipped with an information sensor device, containing a rotating internal ring (3), a fixed external ring (2) and roller bodies (4) arranged between them, in which said information sensor device contains an encoder (10) and a sensor (11), said roller bearing (1) containing an assembly casing (22) of sensor (11) with the fixed ring (2), said casing (22) containing a cylindrical support (23) that extends over the entire axial length of the external transversal faces of sensor (11) and external ring (2), and means of axial holding (26, 27) arranged on both sides of said support (23), said means (26, 27) being supported on at least one part of the front and rear lateral faces (28, 29) of sensor (11) and external ring (2).

Abstract: A hub (2) includes a spindle (14) which projects through a housing (4) and rotates relative to the housing (4) on a bearing (6) that is located between the spindle (14) and the housing (4). The bearing (6) has two sets of raceways (28,40) that are oblique to the axis x, and in addition rolling elements (36) arranged in two rows between the sets of raceways (28,40). The inner raceways (28) that fit around the spindle (14) and have back faces (32), with the back face (32) for one of the races (26) being against a shoulder (18) from which the spindle (14) projects. Initially, the end of the spindle (14) projects straight beyond the back face (32) of the outer race—indeed, so that the races (26) can be installed over the spindle (14).

Abstract: A rolling bearing apparatus with sensor includes a sensor unit retaining a plurality of types of sensors for detecting the status of a rolling bearing, in a single holder. The plurality of types of sensors are at least two types of sensors of a rotation speed sensor, a temperature sensor, and an acceleration sensor.

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: The shaft speed monitor includes a hub with a bearing bore with an open end and a bearing end. A bearing stop flange is adjacent to the bearing end. A bearing is pressed into the bearing bore and is seated against the stop flange. A lock ring axially fixes the bearing in the bearing bore. A bobbin with an embedded multi-pole ring magnet and a coil is inserted into the bearing bore in the hub. A spindle with a toothed ring passes through the bearing. The toothed ring is in radial alignment with the ring magnet. Leads connected to the coil pass through a grommet. The grommet is held in a grommet slot in the hub. A seal is pressed into a seal counter bore in the hub and seals against a sealed surface on the spindle as well as against the grommet.

Abstract: A unit consisting of a bearing equipped with a data sensor device and a housing in which the bearing is coupled. The bearing consists of an inner turning collar designed to be attached to a turning body, an outer fixed collar coupled to the housing, and rolling bodies positioned between them. The data sensor device consists of a coder that generates magnetic impulses attached to the turning collar and, attached to the fixed collar, a sensor equipped with at least two sensitive components capable of detecting such impulses. The housing is designed to permit said bearing to be locked radially and to lock the bearing axially in one direction. The sensor is made in monoblock construction and configured such that the bearing is locked at least in the other direction.

Abstract: A wheel support bearing assembly includes inner and outer members (1 and 2) and at least one row of rolling elements (3) operatively interposed between the inner and outer members (1 and 2) and an annular sealing device (5) sealing an open end of an annular space defined between the inner and outer members (1 and 2). The sealing device (5) includes first and second annular sealing plates (11 and 12) fitted to different members out of the inner and outer members (1 and 2). Each of the first and second sealing plates (11 and 12) includes a generally cylindrical wall (11a or 12a) and a radial wall (11b or 12b) assembled together to represent a generally L-shaped section. The first sealing plate (11) is fitted to one of the inner and outer members (1 and 2) that serves as a rotating member. An elastic member (14) mixed with a powdered magnetic material is bonded by vulcanization to the radial wall (11b) of the first sealing plate (11).

Abstract: The invention concerns an instrumented antifriction bearing device provided with a non-rotating part comprising a non-rotating ring (2) and sensing means (11), a rotating part comprising a rotating ring (4) and coding means (16), and at least a row of rolling elements (6) arranged between the two raceways (3, 5) of the non-rotating (2) and the rotating (4) rings, the sensing means (11) being fixed in a groove (10) of said non-rotating ring (2) arranged proximate to a radial lateral surface (2a) of the non-rotating ring (2). The non-rotating part further comprises sealing means (21) arranged axially between the sensing means (11) and the rolling elements (6) substantially at the groove (10), the sealing means (21) being separate from the sensing means (11).

Abstract: A drive unit includes a housing and a drive shaft, in particular a spindle. The housing has a bearing which rotatably supports the drive shaft which is axially braced with the bearing by means of a clamping element. A measuring indication is arranged on the clamping element and is scanned by a sensing element.

Abstract: A hub (2) includes a spindle (14) which projects through a housing (4) and rotates relative to the housing (4) on a bearing (6) that is located between the spindle (14) and the housing (4). The bearing (6) has two sets of raceways (28,40) that are oblique to the axis x, and in addition rolling elements (36) arranged in two rows between the sets of raceways (28,40). The inner raceways (28) that fit around the spindle (14) and have back faces (32), with the back face (32) for one of the races (26) being against a shoulder (18) from which the spindle (14) projects. Initially, the end of the spindle (14) projects straight beyond the back face (32) of the outer race—indeed, so that the races (26) can be installed over the spindle (14).

Abstract: The invention relates to a protective arrangement with a rolling bearing unit with ABS capability which has a structurally integrated angle transmitter. The angle sensor is connected to a rotatable bearing ring so that it can rotate and has permanent magnet poles for coupling with an external sensor. The invention includes a weak magnetic cover which is located on the rolling bearing unit at a distance from the angle transmitter in such a way that a magnetic shield is formed between the angle transmitter and the environment outside.