Abstract: A bearing device includes a first ring and a second ring mounted for relative rotation and an insulating sleeve mounted on the second ring. The insulating sleeve incudes a socket and an electrically insulating liner, the liner contacting the second ring. The socket includes an outer surface and an inner surface opposite the outer surface, and the outer surface and the inner surface delimit a radial thickness of the socket. The insulating liner is overmolded on the second ring of the bearing and on the outer surface and/or the inner surface of the socket. The socket and the insulating liner are shaped such that the insulating liner is prevented from moving circumferentially relative to the socket.

Abstract: A swivel bearing unit may have a stationary radially outer ring and a rotatable radially inner ring. The swivel bearing unit may further have a double row of rolling members interposed between the radially outer ring and the radially inner ring, a casing, inside which the rings of the bearing unit are housed, and a sealing device. The sealing device may include an elastomer seal co-molded onto a shaped metal screen stably anchored to the housing. The elastomer seal may be provided with a first radial lip and with a second axially external radial lip. Both the first radial lip and the second radial lip make sliding contact by respective contacting edges with a radially external surface of the radially inner ring. The first radial lip may have a thickness (SP1) greater than a thickness (SP2) of the second radial lip.

Abstract: A multi-row rolling-element bearing includes first and second bearing rings and first and second rows of rolling elements therebetween. A cage between the first and second bearing rings has a first annular side part having a plurality of axially extending first bridge elements and a second annular side part having a plurality of axially extending second bridge elements connected to the first bridge elements to form bridges and to form pockets therebetween. At least one rolling element of the first row of rolling elements and at least one rolling element of the second row of rolling elements are located in each of the plurality of pockets.

Abstract: A bearing device providing at least one bearing, an acquisition device having at least one optical fiber attached at least partly to the bearing configured to measure at least one first parameter relative to the bearing, an optical interrogator coupled to the at least one optical fiber configured to process the at least one first parameter so as to obtain at least one second parameter, and having a transmitting antenna connected to the at least one optical fiber configured to process the at least one first parameter, and a receiving antenna cooperating with the transmitting antenna configured to send wirelessly the at least one second parameter.

Abstract: An imaging system is for recording images of a raceway of a bearing ring, the ring having two opposing axial ends, a central axis extending between the axial ends, and inner and outer circumferential surfaces. The raceway is formed on the inner circumferential surface or the outer circumferential surface of the ring and has first and second ends spaced along the central axis. The imaging system includes a frame movably coupleable with the bearing ring and having a centerline. A drive is mounted to the frame and is configured to angularly displace the frame about the bearing central axis. An optical imager has a lens and an adjustable positioner is mounted on the frame and is configured to position the optical imager such that the lens is disposed axially between the raceway first and second ends and faces generally perpendicular to the bearing raceway.

Abstract: A wheel bearing assembly, preferably for trucks, includes a wheel adapter and a bearing unit, which has at least one first bearing ring and one second bearing ring, and a drive element. The wheel adapter is configured to connect the first bearing ring to a wheel, the first bearing ring preferably having at least one threaded bore to interact with at least one corresponding attachment means, preferably a screw, in order to connect the wheel adapter and the drive element to the first bearing ring. At least one rotation-securing element is provided that is configured to secure the connection between the wheel adapter and/or the drive element and/or the first bearing ring and/or the attachment means against rotation.

Abstract: A system for maintaining the operating condition of a machine is provided. The system includes a dispensing device having: an interchangeable control module, the interchangeable control module including control hardware that provides a central processing unit, a data storage memory, and communication modules. The dispensing device is configured to dispense lubricant in order to maintain the operating condition of the machine. The interchangeable control module is configured to interchangeably control and interchangeably reside in either a fixed or a portable dispensing device. The interchangeable control module communicates to an external or internal intermediary computing device.

Abstract: A component (1) is disclosed which has a black oxide layer (10), wherein metallic additive elements (4) are incorporated in the structure of the black oxide layer (10). Furthermore, a method for manufacturing such a component (1) is disclosed, said method comprising the steps of: depositing metallic additive elements (4) on the component (1) and immersing the component (1) with the deposited metallic additive elements (4) in a black oxide solution (6), wherein the metallic additive elements (4) are incorporated into the structure of the black oxide layer (10).

Abstract: The present disclosure provides a bearing cage and a ball bearing. The bearing cage includes an annular backbone portion having a front side and an opposite back side and a plurality of cantilever portions extending from the front side of the backbone portion in an axially forward direction of the bearing cage. The cantilever portions are arranged along a circumference of the annular backbone portion, defining a plurality of pockets. The backbone portion has a radial thickness larger than that of the plurality of cantilever portions. Each of the plurality of cantilever portions includes two prong portions and a connection portion between the two prong portions. The bearing cage further includes one or more of a plurality of recesses formed in a radially outer side of the cantilever portions, and a plurality of grooves formed in the radially inner side of the bearing cage.

Abstract: The rolling bearing provides a first ring, a second ring and at least one row of rolling elements arranged therebetween. Each of the first and second rings include an inner bore having an outer surface and at least one raceway for the row of rolling elements formed on one of the inner bore and outer surface. The first ring provides at least one part ring delimiting the raceway, and at least one sleeve secured to the part ring and delimiting at least partly the other of the inner bore and outer surface of the first ring. The rolling bearing further provides at least one optical fiber sensor mounted inside at least one circumferential groove formed on the first ring and passing through at least one optical fiber sensor passage opening into the circumferential groove.

Abstract: A bearing assembly includes a bearing unit configured to support a rotatable component relative to a stationary component, the bearing unit including a stationary bearing ring and a rotatable bearing ring, the rotatable bearing ring being connectable to the rotatable component and the stationary bearing ring being connectable to the stationary component such that the stationary bearing ring and the stationary component are rotationally fixed. The stationary component or a connecting element between the stationary component and the stationary bearing ring comprises a plurality of layers which may be formed by an additive manufacturing process. Also a method of forming the bearing assembly.

Abstract: A wheel bearing assembly for trucks includes a brake element and a wheel adapter defining a rotating component, an axle element defining a stationary component, and a multi-row, preferably double-row, bearing unit. The bearing unit has a first bearing ring, a second bearing ring and a plurality of rolling elements disposed between the first and the second bearing ring. The first bearing ring is connected to a drive shaft, the second bearing ring is connected to the axle element and the wheel adapter is configured to connect the first bearing ring to the wheel and the brake element. A shield is disposed between the brake element and the first bearing ring and/or disposed between the brake element and the axle element and is configured to shield a space defined by the first bearing ring, the wheel adapter and the brake element from entry of particles and/or water.

Abstract: A bearing device includes a bearing having a first ring and a second ring mounted for relative rotation, and an insulating sleeve mounted on the second ring. The insulating sleeve includes a socket and an electrically insulating liner that contacts the second ring. The second ring has a radial outer surface and a radial inner surface delimiting a radial thickness of the second ring, and the insulating liner is overmolded on the socket and at least on one of the inner and outer surfaces of the second ring of the bearing. Also, the surface of the second ring is configured to retain, in the circumferential direction, the insulating liner relative to the surface by complementarity of shapes with the insulating liner.

Abstract: A sensor bearing unit includes a bearing, which has a first ring and a second ring, both rings being centered on an axis, and an impulse ring. The impulse ring includes a target holder, a target mounted on the target holder, and a sleeve secured to the first ring of the bearing. The sleeve is provided with an axial portion having at least one radial protrusion and a collar extending at least partially radially. The target holder is mounted radially around the axial portion of the sleeve and axially between the first ring of the bearing and the collar of the sleeve. The at least one radial protrusion of the sleeve axial portion extends into a complementary recess provided on the target holder.

Abstract: A sealing system for sealing a rotatable shaft of an underwater turbine against an entry of seawater includes a first seal support and a second seal support arranged axially adjacent to the first seal support along the shaft and a first seal element supported by the first seal support and a second seal element supported by the second seal support. The first and second seal elements each have an annular seal body and a lip extending from the seal body to a sealing surface on or rotationally fixed to the rotatable shaft, and at least one lubricant-filled chamber exists between the first and second seal supports and the shaft.

Abstract: The present invention relates to a transmission belt providing a belt member, and at least one RFID tag attached to the belt member, the at least one RFID tag including an integrated circuit, and an antenna connected to the integrated circuit for transmitting a signal indicative of a state of the transmission belt. The signal indicative of the state of the transmission belt is determined on the basis of a current deflection of the antenna.

Abstract: Disclosed is a circular profiled anti-rotation washer. The anti-rotation washer includes a step profile locking mechanism on a first surface. The anti-rotation washer provides a central axial aperture for receiving a threaded shaft. The step profile is a D-shaped profile and allows the washer to engage with an arm in a positive locking mechanism.

Abstract: A rotor for rotary electrical machine. The rotor providing a shaft and magnets supported by the shaft. The rotor further provides a protecting sleeve, extending around an outer surface of the magnets and being made at least partially of PEEK or epoxy resin.

Abstract: A backing ring assembly is for railway axles and includes a backing ring and an annular insert having L-shaped axial cross sections. The insert includes a sleeve portion fitted to a radially outer cylindrical surface of the backing ring, which delimits a first axial section thereof. The annular insert sleeve portion includes first and second axial sections hingedly connected by an intermediate, reduced thickness section designed to form a plastic hinge. The first axial section of the sleeve portion projects axially from the first section of the backing ring, which is provided with an annular projection designed to induce elastic deformation of the reduced thickness section to ensure that the second axial section of the sleeve portion is always coupled with the cylindrical outer surface of the backing ring first axial section by an interference fit.