Abstract: The ball-and-socket joint member includes an inner ring, of a general shape of revolution around a first axis, having an outer surface provided with an inner raceway, an outer ring, of a general shape of revolution around a second axis, having an inner surface provided with an outer raceway, and at least one row of balls aligned circumferentially, extending radially between the inner raceway and the outer raceway. The outer surface of the inner ring comprises a portion with a generally truncated sphere shape, forming the inner raceway. The inner surface of the outer ring comprises, for each row of balls, a groove of complementary shape to that of the balls of this row, said groove forming the outer raceway.

Abstract: A bearing assembly includes at least one rolling bearing unit having an outer race and an inner race rotatable relative to the outer race, and two annular bodies of plastic material overmoulded on the outer race and the inner race, respectively, of the bearing unit. At least one of the two annular bodies has a free cylindrical surface. One of the two bearing races forms a radially extending flange having a cylindrical end surface, circumferentially continuous or discrete, which ends flush with the free cylindrical surface of plastic material.

Abstract: An electric centrifugal compressor for a heat ventilation air conditioning system for vehicles comprises a motor portion (20) and a centrifugal compressor portion (10) driven by the motor portion (20) through a shaft (15). It comprises an electromagnetic device for levitating the shaft (15) during functional operation of the electric compressor and auxiliary landing bearings (8). The electromagnetic device may comprise in particular an axial bearingless motor.

Abstract: A bearing assembly includes a hub element or housing element which has an accommodating bore for at least one rolling-element bearing, the rolling-element bearing being disposed with its outer ring in a press-fit arrangement in the accommodating bore, and the outer ring having at least one first axial region along at least one raceway of the outer ring and at least one second axial region extending outside the raceway. To ensure a proper fit of the bearing ring in the hub or housing element over a wide range of operating temperatures, the receiving bore and the outer circumference of the outer ring are configured such that at the ambient temperature the radial clamping force between accommodating bore and outer ring in the first region is smaller than in the second region.

Abstract: The rolling bearing comprises an inner ring 1, an outer ring 2, at least one row of rolling elements and at least one seal 7 provided between the outer and inner rings. The seal 7 has, in cross section, the overall shape of an H and comprises internal lips 21, 22 and external lips 23, 24 forming the two substantially parallel branches of the H. The inner and outer rings 1, 2 comprise opposite radial ribs 25, 26 located axially between the internal and external lips 21 to 24 to axially retain the seal.

Abstract: A method of producing a sensor unit for sensing the angular position of a rotatable element with respect to a fixed element, providing an encoder element fastened to the rotatable element, adapted to generate magnetic field variations as a function of its angular position, and a sensing element fastened to the fixed element, adapted to sense the magnetic field variations. The sensing element is mounted on and connected to a printed circuit board mounted in a shielding casing fastened with the fixed element. The method further comprises a step consisting in earthing the shielding casing by electrically connecting it to a load discharging device of the printed circuit board.

Abstract: A steel disc blank provides a first face with a concave race, a second face opposite to the first face, a central through bore extending between the first and second face, and an outer peripheral edge; the disc blank is heat-treated; then the bore is turned, thus obtaining at least one cylindrical turned portion of the bore, and then the concave race is turned, holding the disc blank locked on the lathe by means of jaws engaging on the machined cylindrical portion, using this turned cylindrical portion as a reference surface for turning of the concave race.

Abstract: Rolling bearing with rolling bodies comprising an outer ring, an inner ring and rolling bodies arranged in a rolling chamber. The bearing includes at least one flange mounted on a first ring and extending to a second ring with means for fastening onto the first ring and a first annular band at right angles to an axis of rotation of the rings and offset, along the axis, relative to the fastening means. The flange provides a second annular band and a third annular band arranged respectively radially inside and radially outside the first band and offset axially in the direction of the rolling bodies, by means of a first setback and a second setback. An edge of the flange opposite to its means for fastening onto the first ring is folded back towards the rolling chamber and extends in a direction parallel to a radial surface of the second ring.

Abstract: The angular contact bearing assembly for use in a steering column according to the invention comprises in particular a conductive inner ring with a concave recess forming a first raceway, a conductive outer ring with a concave recess forming a second raceway, a set of conductive balls contacting both the first raceway and the second raceway, a sleeve for mounting the conductive inner ring on a shaft; and at least one conductive part creating an electrically conductive contact between the inner ring and the shaft. It is proposed that the conductive part has a circumferential extension of less than 360° and does not have a main body in the shape of (or topologically equivalent to) a full ring.

Abstract: A sealing assembly for insertion between first and second mechanical elements subjected to offset positioning, including a reinforcement ring and at least one elastomeric sealing element in which the reinforcement ring is at least partially embedded, the sealing element including an annular membrane shaped as a truncated-cone sleeve and free from the reinforcement ring, which membrane obliquely extends to protrude from the reinforcement ring, towards a symmetry axis of the sealing assembly and ends with at least one annular sealing lip intended to slidingly cooperate with the first mechanical element; the membrane has, in radial direction, a relatively thin thickness, thinner than that of the at least one sealing lip, so as to be highly flexible, and a plurality of stiffening ribs formed with the membrane, which extend in the axial direction, parallel to one another, spaced apart from one another to form longitudinally extending radial projections on the membrane.

Abstract: A bearing assembly includes a first bearing comprising a first inner ring and a second bearing comprising a second inner ring. A sleeve-shaped spacer is disposed between and axially separates the first and second inner rings. An adhesive connects the spacer to the first and second inner rings.

Abstract: A bearing unit rotatably supports a shaft of a pressure generating device, such a boost pressure generating device of an internal combustion engine. The bearing unit includes at least a first rolling-element bearing and a second rolling-element bearing, each rolling-element bearing having an inner ring and an outer ring. An annular space is defined between the respective inner and outer rings and rolling elements are disposed in the annular space. At least one volume element is disposed in the annular space and at least partially fills the annular space in an axial area.

Abstract: Rolling bearing cage (5) for an electric steering system of a motor vehicle, designed to ensure the circumferential spacing of the balls (4), comprising a plurality of first sockets (8) provided with means (8a) for axially retaining the cage (5) on a ball (4) and a plurality of second sockets (9) without means for axially retaining the cage (5) on a ball (4). Each of the first sockets (8), with a ball (4) housed in the first corresponding socket (8), has a first axial clearance, a first radial clearance and a first circumferential clearance (J1c) and each of the second sockets (9), with a ball (4) housed in the second corresponding socket (9), has a second axial clearance, a second radial clearance and a second circumferential clearance (J2c).

Abstract: The present invention refers to a locking plate (1) to be used in a locking arrangement for securing a shaft nut (8) on a threaded shaft (13) having an axial groove (15) in its envelope surface, said locking plate (1) having a first end (1a) and a second end (1b) and means (11) for its attachment to the shaft nut (8), a portion (7) of said locking plate projecting inwardly and being intended to enter in said axial groove (15) in the threaded shaft (13), the locking plate having a first (4) and a second (5) spaced apart and aligned, elongated arch-formed through-hole, with an intermediate non-slotted material portion (6), the inwardly projecting portion (7) of the locking plate being positioned non-symmetrically in relation to said intermediate non-slotted material portion (6) between the said first (4) and second (5) spaced apart elongated arch-formed through-holes, and also to a locking arrangement incorporating such a locking plate.

Abstract: A roller bearing for a tunneller having an inner ring, an outer ring, two sets of rolling elements arranged between the tracks formed on the rings, the first set of rolling elements including at least one roller able to withstand axial stresses and the second set of rolling elements including an angular-contact roller that is able to withstand both radial and axial stresses, the inner and outer rings being concentric about an axis of rotation of the roller bearing. Each roller in the first set includes a first axis of revolution (Y1-Y1) inclined in relation to the axis of rotation (X-X) by a first angle (?1) of between 45° and 95° and each roller in the second set includes a second axis of revolution (Y2-Y2) inclined in relation to the axis of rotation (X-X) by a second angle (?2) of between 0° and 45°.

Abstract: A table for supporting a recumbent patient includes at least one tabletop unit, at least one ground contact unit for supporting the tabletop unit, a first and at least one second adjustment unit for changing a spacing between the ground contact unit and the tabletop unit, and at least one first guide unit for guiding movement of the tabletop unit relative to a the ground contact unit, where at least a part of the guide unit is disposed between the first and the at least one second adjustment unit.

Abstract: A hub-bearing assembly (10) is provided with an outer, stationary, ring (20), and an inner ring (30) with a flange (32) for mounting a wheel, and the flange (32) forms an annular relief (36) projecting in an axially inward direction and having an outer toroidal surface (42); a sealing device (50), mounted on the outer ring (20), has a non-contacting axial lip (61) which extends axially towards the flange (32) and has a free end portion (62) which creates a labyrinth seal with the outer toroidal surface (42) of the annular relief (36).

Abstract: This instrumented bearing comprises a bearing and a sensor unit for sensing the angular position of the rotatable ring with respect to the fixed ring of the bearing, an encoder element which is fastened to the rotatable ring, and a sensing element fastened to the fixed ring, adapted to sense a parameter representative of the rotation speed of the rotatable ring. The sensing element is mounted in a casing fastened with the fixed ring. The casing provides a peripheral wall mounted on the fixed ring and which includes at least one snap portion adapted to be received in a recess of a surface of the fixed ring, and at least one axial blocking portion adapted to abut against a lateral surface of the fixed ring, perpendicular to the rotation axis of the instrumented bearing. Each snap portion and each blocking portion alternate around a central axis (X6).

Abstract: A roller bearing that includes an outer ring, a first inner ring, and a first sealing ring that is disposed axially adjacent of the outer ring is provided. The roller bearing also includes a first retaining ring that is attached to the outer ring. The first sealing ring is fixed between the first retaining ring and a first clamping ring.

Abstract: The invention concerns a safety device (1) for an actuator comprising a connection means (2) allowing a connection to a releasable holding means (5). The connection means (2) is fixed via a sacrificing means (3) to a supporting means (4), and a resilient means (7) is acting between the supporting means (4) and a supporting portion (8). An extension means (9) is fixed to the supporting means (4) via the connection means (2). The sacrificing means (3) has a mechanical strength such that the sacrificing means (3) breaks when subjected to a force exceeding a predetermined force, such that the extension means is no longer fixed to the supporting means and that a re-connection of the supporting means (4) and the releasable holding means (5) is made impossible. The predetermined force is lower than the mechanical strength of the extension means (9) and the supporting means (4). A linear actuator (13) comprising the safety device (1) is also provided.