Abstract: Embodiments provide a couplant and an arrangement of a couplant, a transducer, and a construction component. The couplant is adapted to couple the transducer to the surface of the construction component. The couplant provides 36% to 40% mass portion of hard metal.

Abstract: The cam follower roller device provides a tappet body, a pin and a roller mounted on the pin. The tappet body provides holes for mounting pin ends of the pin on the tappet body. The device further provides one deformable ring disposed between each pin end of the pin and an inner wall of the associated hole of the tappet body.

Abstract: A system for detecting the presence of water in oil, provides a detection head including a gap in which oil to be monitored may be received; at least a first optical fiber having a first end, optically coupled to transmit light across the gap; a micro electro-opto-mechanical (MEOM) device, the MEOM device comprising a photo-emitter and a photo-detector integrated onto a silicon based substrate, the photo-emitter being optically coupled to transmit light into a second end of the first optical fiber and the photo-detector being arranged to receive transmitted light that has been transmitted across the gap; and an electronic interface to the MEOM device for communicating therewith. A processor may be provided to analyze and compare the respective light signals to determine an amount of water present in the oil. By observing variations in absorption, the presence of water can be identified.

Abstract: A universal joint bearing for a joint cross of a universal joint includes a hollow cylindrical body having a longitudinal axis and a base in an end region of the body, at least one first needle roller set including a first plurality of rollers inside the cylindrical body and at least one second needle roller set including a second plurality of rollers inside the cylindrical body. The first needle roller set is disposed adjacent to the second needle roller set in a direction of the longitudinal axis, and at least one of the first plurality of rollers is longer than at least one of the second plurality of rollers.

Abstract: A bearing ring comprising at least one jamming bead of a seal, each bead protruding relative to a radial surface of the ring, in an orthoradial direction relative to a central axis of the ring.

Abstract: A bearing cage for retaining rolling elements of a rolling element bearing, the bearing cage having at least one first ring structure to which at least one first cage bar is connected. The bearing cage also comprises a second ring structure to which at least one second cage bar is connected, whereby the at least one second ring structure is arranged to be located radially inwards of the at least one first ring structure.

Abstract: A cage for a rolling bearing, wherein the cage is intended to ensure the circumferential spacing of a row of rolling elements. The cage comprises pockets for the rolling elements and connecting tabs. Each connecting tab connects two successive pockets. At least one recess is formed in a thickness of at least one of the tabs.

Abstract: A bearing having an inner race, an outer race and a wear race mounted to press against an external face of one of the races and fastened on the race is provided. The wear race provides at least one annular flange locally covering an internal face of the race opposite the external face. The bearing further provides a sealing member fastened on the other race and includes at least one sealing lip in friction contact with the annular flange of the wear race.

Abstract: An electromechanical actuator includes a drive motor having rotatable drive shaft. A magnetic element is disposed on the drive shaft. A rotary-to-linear motion converter is driven by the rotatable drive shaft and includes a non-rotating actuator body that is linearly movable in a traveling direction. A Hall-effect sensor is disposed in a stationary manner proximal to the magnetic element disposed on the drive shaft. A controller is in electronic communication with the Hall-effect sensor. The controller counts the number of impulses output by the Hall-effect sensor when the drive shaft rotates relative to the Hall-effect sensor, and turns off the drive motor after a predetermined number of impulses have been counted since the start-up of the non-rotating actuator body. The controller may also count the number of times that the current of the drive motor exceeds a predetermined maximum value and store this counted value in a memory element.

Abstract: The cam follower roller device provides a tappet housing extending along an axis, a pin mounted on the tappet housing and a roller mounted on the pin. The tappet housing includes a main body provided inside which the roller is mounted and with a recess delimited axially by a radial portion of the body. The tappet housing further provides at least one stiffening insert mounted in axial contact with the radial portion of the main body.

Abstract: A bearing arrangement includes a bearing having an inner race and an outer race and a plurality of rolling elements arranged between the inner and outer race such that the first race is rotatable relative the second race; bearing lubricant arranged within the bearing to lubricate the rolling elements. The bearing arrangement provides a first electrically conductive portion and a second electrically conductive portion, the first and second electrically conductive portion being electrically insulated and arranged such that at least a portion of the bearing lubricant is located between the first and second electrically conductive portion; and a capacitance meter having a first electrode connected to the first electrically conductive portion and a second electrode connected to the second electrically conductive portion, configured to measure a capacitance between the first ring and the second ring to determine a water content in the lubricant based on the measured capacitance.

Abstract: A bearing comprising a plurality of rolling elements arranged between an inner and outer raceway thereof. A rolling contact interface is between a first rolling contact surface on at least one rolling element and a second rolling contact surface formed by one of the inner and outer raceways. The first rolling contact surface has a first RMS roughness Rq1 and a first roughness pattern ?1, expressed in terms of the Peklenik number ?. The second rolling contact surface has a second RMS roughness Rq2 and a second roughness pattern ?2. To minimize micropitting in the bearing, the rolling contact interface has a surface topography wherein (a) the roughness pattern of the first and second rolling contact surfaces are oriented in the direction of rolling, whereby ?1?3.0 and ?2?10.0; and (b) the first and of the second rolling contact surfaces have substantially equal roughness heights, whereby 0.8?Rq1/Rq2?1.25.

Abstract: A ball joint member including an inner ring, with a general axisymmetrical shape around a first axis, including an external contact surface having a truncated spherical shape, the inner ring including a coating which bears the external contact surface and an outer ring, of a general axisymmetrical shape around a second axis, including an internal contact surface mating the external contact surface, cooperating with the external contact surface, the outer ring including a coating which bears the internal contact surface, wherein at least one of the inner and outer rings includes lubricant reservoirs made on the coating of one of the external and internal contact surfaces, and wherein the coating of the contact surface of one of the rings is textured with micro-cavities forming the lubricant reservoirs.

Abstract: An instrumented bearing, which includes an outer race and an inner race between which a rolling chamber is delimited. Rolling bodies are disposed in the rolling chamber. The bearing additionally includes a member isolating the rolling chamber from the outside; and a measuring device including at least one sensor adapted to measure at least one operating parameter of the instrumented bearing. At least one measuring device can be mounted to the member isolating the rolling chamber from the outside.

Abstract: A sealing system and a method of manufacturing such a sealing system. The sealing system comprises a seal lip of two different materials that are bonded together using a polymeric material that forms strong chemical bonds with the two different materials at the same time. Further since the bonding only takes place after activation, this enables a precise physical alignment to be done before the activation.

Abstract: An axlebox, comprising a first housing part, a second housing part and a bearing unit mounted therebetween, wherein the first housing part and the second housing part are connected by pivot element on one side of the bearing unit and by tightening feature on another side of the bearing unit. The invention also concerns a vehicle comprising at least one such axlebox. The invention also concerns processes for mounting, dismounting or replacing the bearing unit in such an axlebox.

Abstract: An engagement-disengagement, suspension or steering release bearing. The release bearing includes a rolling bearing forming a member for transmitting an axial force and comprising a rotating ring and a non-rotating ring between which a rolling chamber is mounted for rolling bodies and a sealing gasket, which is mounted on a first ring among the rotating and non-rotating rings, and which comprises a framework, having an edge folded down radially toward a groove arranged on a surface of the first ring, and a fitting, having a sealing lip in sliding bearing against, or adjacent to, a corresponding surface of the second ring, The fitting of the seal is suitable for filling the groove of the first ring and part of the fitting is jammed between the folded down edge of the framework and the groove in the configuration with the seal mounted on the first ring.

Abstract: A vehicle hub bearing unit including an outer ring; a wheel hub rotating about a common axis of symmetry of the outer ring and of the wheel hub; a wheel flange that extends radially from the wheel hub on the outside of the outer ring; a plurality of rolling bodies interposed between the outer ring and the wheel hub; at least one sealing assembly arranged on the side of the wheel flange, which is delimited towards the outer ring by a radially extending first face; and a protective ring that surrounds the outer ring and which radially extends in a position facing the first face of the wheel flange and beyond a first annular step of the first face that protrudes axially; a radially outer section of the protective ring overhangingly axially extending from the outer ring towards the wheel flange and axially beyond the first annular step.

Abstract: A power generating bearing assembly comprising a power generating subassembly integrated into a bearing. The power generating subassembly utilizes the relative motion between a bearing inner ring and a bearing outer ring of the bearing to generate electrical power. A sealing system is attached to one of the bearings. The power generating subassembly includes an electrical generator in operational engagement with a magnetically polarized material. The electrical generator is attached to the non-sealing carrying bearing. The magnetically polarized material is integrated into a supported member, which is a unitary section of the seal that extends axially from an end surface of the bearing rings. The relative motion between the rings engages the electrical generator and the magnetically polarized material causing a generator core of the electrical generator to create an electrical current.