Abstract: A method for positioning a magnetic device providing an impulse ring forming a coder and at least three magnetic detection cells forming a magnetic sensor. The impulse ring being provided with a target having pairs of magnetic poles. The number of pair of magnetic poles being counted. The magnetic detection cells are positioned around the target of the impulse ring according to the number of pair of magnetic poles and according to the number of detection cells.

Abstract: A bearing unit having a stationary radially outer ring, a radially inner ring, rotatable with respect to a rotation axis (X) and steadily connected to a rotating shaft, a row of rolling bodies interposed between the radially outer ring and the radially inner ring, a casing, inside which the rings of the bearing unit are housed, a sealing device, and a protection disk. The protection disk may be mounted in an axially external position to the sealing device and fixed to the radially inner ring. Additionally, the protection disk may have a shaped metallic screen, and an elastomer coating over-molded on part of the screen. The protection disk may further be in contact with an axially external surface of the radially outer ring through the elastomer coating, which is provided with two lips, a first lip, non-contacting or contacting and radially external, and a second lip, contacting and radially internal.

Abstract: An electrical machine includes a non-rotating part, a rotating part, at least one bearing that includes a rotating ring and a non-rotating ring and supports the rotating part, a grounding brush fixed and secured to the non-rotating part, and having a free end extending towards the rotating ring of the bearing, and a conductive layer covering a portion of a surface of the rotating ring of the bearing such that the free end of the grounding brush is in contact with the conductive layer.

Abstract: A sensorized rolling element for a bearing having inner and outer races and a plurality of rolling elements disposed between the inner and outer races and includes a rolling element body having an interior surface defining a cavity, the body being disposable between the inner race and the outer race. A wireless transmitter is disposed within the cavity of the rolling element body and a piezoelectric device is disposed within the cavity so as to contact the inner surface of the rolling element body. The piezoelectric device includes a body formed of piezoelectric material and at least two electrodes electrically coupling the piezoelectric body with the wireless transmitter. The piezoelectric device is configured to generate electrical charge for powering the transmitter when the rolling element body deflects under loading applied by the inner race and/or outer race and may also be used to detect loading on the rolling element body.

Abstract: A system and computer-implemented method for detecting anomalies in industrial machine sensor data, including: computing, based on a received suspected anomalous level value of a sensory input data of each of the a plurality of sensory input data of a plurality of industrial machines that are located within a predetermined proximity, an average anomalous amount that is associated with at least a time interval; and determining that at least one of the plurality of suspected anomalies is an anomaly when a result of a subtraction of the computed average anomalous amount from each suspected anomalous level value of the plurality of sensory input data exceeds a predetermined threshold.

Abstract: Sensorised wheel hub unit and a method for detecting, in real time, forces and moments applied to an outer ring of the wheel hub unit in which piezoresistive ceramic plates are made of one piece with welded metal plates housed within respective recesses formed in an outer surface of the outer ring over respective races for rolling elements that there is a gap between the plates and a base wall of each recess; the temperature of the outer ring and the amplitude and frequency of first electrical signals (S1) associated with the sensors relating to the same race are analysed to determine a frequency value equal to the frequency of the first signal having the maximum amplitude and as many amplitude values (D1-Dn) as there are sensors associated with that race and each equal to the maximum amplitude of the first signal from each sensor, corrected according to temperature.

Abstract: Sealing device for a wheel hub assembly provided with a rolling bearing, the sealing device being provided with a shield mounted on an outer ring of the bearing and with an annular cylindrical wall having an inner lateral surface mounted on an outer lateral surface of a collar of the outer ring; and with a sealing material fixed to the shield and defined by a pre-formed annular covering of polymer material, preferably but not necessarily rubber or thermoplastic material, formed independently and separately from the shield and mounted on the shield.

Abstract: Wheel hub assembly for motor vehicles, the group having a radially outer ring with at least one raceway, at least one radially inner ring with a related raceway and at least one ring of rolling bodies interposed between the radially outer ring and the radially inner ring, for sliding inside the raceways, at least one raceway being provided with superficial micropores having a depth (H) between 0.05 ?m and 1.5 ?m and defining respective micro-tanks for containing a lubricating grease.

Abstract: A bearing unit including a radially outer ring, a radially inner ring, a row of rolling bodies interposed between the radially outer ring and the radially inner ring, a containment cage for keeping the rolling bodies in position defined by a plurality of arched bridges and a plurality of flattened connecting elements interposed between the bridges, a sealing screen interposed between the radially inner ring and the radially outer ring made of composite material provided with an annular central portion having a toroidal surface, a radially inner lug, and a radially outer deflector projecting towards the cage, and a channel between the cage and the sealing screen, axially defined by the lug, the toroidal surface, and the deflector.

Abstract: A hub bearing assembly includes a housing with a vertical bore, a bearing outer ring disposed within the bore and coupled with the housing and a bearing inner ring disposed within the bearing outer ring and having a central bore configured to receive a portion of the shaft. A set of rolling elements are disposed between the bearing outer and inner rings. An upper seal is disposed within the housing bore externally of the outer ring and includes an annular elastomeric seal body and a garter spring biasing a seal lip radially inwardly. A lower seal is disposed between the bearing outer and inner rings. Either the bearing inner ring is sized such that upper seal is disposed about the bearing inner ring or the hub bearing assembly further comprises an annular spacer disposed within the upper seal and adjacent to the upper axial end of the bearing inner ring.

Abstract: An elastomeric bearing includes a first race having an axis of rotation, a second race coaxially arranged relative to the first race and spaced from the first race by a gap and a bearing body in the gap connecting the first race to the second race. The bearing body is formed from a first plurality of elastomeric laminae coaxial with the first race and a second plurality of carbon fiber laminae coaxial with the first race, and the elastomeric laminae and the carbon fiber laminae alternate in a direction from the first race to the second race. The carbon fiber laminae may each include multiple sheets of carbon fibers embedded in a thermoplastic such as polyether ether ketone (PEEK).

Abstract: A bearing assembly includes a housing having an annular recess, an inner ring disposed within the recess and having an inner raceway, and an outer ring disposed about the inner ring and within the housing recess and having an outer raceway. At least one intermediate ring is disposed radially between the inner ring and the outer ring and has an inner intermediate raceway and an outer intermediate raceway. A first set of rolling elements is disposed between the inner ring and the at least one intermediate ring and a second set of rolling elements is disposed between the outer ring and the at least one intermediate ring. A biasing member(s) is configured to bias the inner ring or the outer ring axially toward the other one of inner ring and the bearing outer ring so as to establish a preload within the two sets of rolling elements.

Abstract: A bearing cage includes an annular body disposeable between inner and outer rings and having first and second axial ends, inner and outer circumferential surfaces, and a plurality of pockets for retaining rolling elements. The cage includes at least one channel extending axially through the annular body and having a first opening at the first axial end and a second opening at the second axial end. The channel(s) are each configured to direct liquid to flow axially through the bearing when the cage rotates about the centerline. Alternatively or additionally, the cage includes at least one elongated projection extending radially inwardly from the inner circumferential surface or radially outwardly from the outer circumferential surface and extending axially between the first axial end and the second axial end. The projection(s) are each configured to direct liquid to flow axially through the bearing when the cage rotates about the centerline.

Abstract: A method for reinforcing a steel component, having a carbonitriding step providing a first substep of case-hardening, and a second substep of nitriding, the first and second substeps of case-hardening and of nitriding of the step of carbonitriding the component are performed in one and the same heat treatment cycle.

Abstract: A bearing provides an outer ring and an inner ring capable of rotating concentrically relative to one another, at least one of the inner and outer rings being split into a plurality of successive circumferential ring segments. For each pair of facing ends of adjacent successive ring segments of the split-ring, one of the facing ends includes at least one protrusion made in one part with the associated ring segment and protruding into a recess of complementary shape formed onto the other facing end to align the pair of facing ends in radial direction.

Abstract: A method for performing bearing defect auto-detection provides an algorithm for processing condition monitoring data including vibration harmonics of at least one bearing coupled to a rotatable shaft, the bearing having an inner and an outer ring. The algorithm is used to confirm with high degree of confidence that a bearing defect is present or not.

Abstract: A non-locating bearing assembly includes a bearing unit configured to support a rotatable component relative to a stationary component, the bearing unit including a first stationary bearing ring and a second rotatable bearing ring. The rotatable bearing ring is fixedly connectable to the rotatable component, and a bearing carrier is attached to the stationary bearing ring in a rotationally fixed but axially displaceable manner by a combination of a friction fit and an interference fit. The bearing carrier is configured to be fixedly connected to the stationary component.

Abstract: A linear drive has a linear unit for carrying out a linear movement, a motor for the motorized driving of the linear unit, and a drive connection which extends from the motor as far as the linear unit. In order to ensure reliable operation even in the event of a power failure, it is proposed that the linear drive have a centrifugal brake which is rotationally coupled to the drive connection.

Abstract: A progressive distributor for lubricant includes a housing block having an inlet and a plurality of outlets and a plurality of metering pistons received in associated piston bores in the housing block. Each piston bore is associated with two lubricant outlet bores, and each metering piston is displaceable and configured to alternatingly release the one or the other lubricant outlet bore in order to dispense the metered lubricant amount to the lubricant outlet bore. The piston bores are fluidically connected to the lubricant inlet bore and to each other via connecting bores in order to transfer lubricant to the other piston bores. A dummy piston is disposed in one of the piston bores that permanently closes both the lubricant inlet bore and both lubricant outlet bores, and includes at least one bypass passageway that fluidically connects two of the connecting bores to each other.

Abstract: A non-locating bearing assembly includes a bearing unit configured to support a rotating component relative to a stationary component, and the bearing unit includes a first stationary bearing ring and a second rotatable bearing ring that is fixedly connectable to the rotating component. The assembly also includes a bearing carrier to which the stationary bearing ring is attached in a rotationally fixed but axially displaceable manner, and the bearing carrier is configured to be fixedly connected to the stationary component.