Abstract: A wheel bearing assembly is disclosed herein. The assembly includes a joint element having a first spline portion defined on an axial surface and a nose. An inner ring is provided that includes a through hole configured to receive at least a portion of the joint element and an abutment flange defined within the through hole. The inner ring includes a second spline portion configured to matingly engage with the first spline, and the nose of the joint element is configured to extend axially within the abutment flange. A connection assembly is configured to connect the inner ring and the joint element, and a portion of the connection assembly abuts a first axial end of the abutment flange.

Abstract: A sealing device for a bearing unit, having a stationary part, which is in turn provided with a first metal screen, an elastomer coating co-moulded on to the first screen, and a radially inner contact lip belonging to the elastomer coating, and a rotatable part provided with a second metal screen with which the contact lip makes a sliding contact, the sealing device being provided with at least one appendage which faces a radially inner flanged ring of the bearing unit and interacts with this flanged ring to form a barrier against the entry of contaminants.

Abstract: To provide an insulating rolling bearing that is capable of preventing electrolytic corrosion and preventing a gap from being undesirably formed between a shaft and a raceway ring. A sub bearing 21 includes an inner ring 22, an outer ring 23, balls 24 interposed between the inner ring and the outer ring, and an insulating bushing 28 fitted to an inner peripheral portion of the inner ring 22. The insulating bushing 28 includes a generally cylindrical metal base 28a, and a resin layer 28b formed on an inner peripheral surface of the metal base 28a. The insulating bushing 28 is fitted to the inner peripheral portion of the inner ring 22 such that the metal base 28a abuts on the inner peripheral portion of the inner ring 22.

Abstract: A sealing device for a motorcycle suspension provided with an armature on which an elastomeric covering is mounted, said covering comprising a first radially outer portion, for providing a dynamic seal with a first component of the motorcycle suspension, and a second radially inner portion for providing a guide and a static seal with a second component of the motorcycle suspension, on which the sealing device is mounted; the elastomeric covering is integrally connected to the armature and the radially outer portion has at least one first, flexible, annular sealing lip which projects, protruding in a radially and axially external direction so as to cooperate, during use, in a sliding manner, with a surface of the first component of the motorcycle suspension.

Abstract: A forged outer ring of a tapered wheel bearing incudes a conical ring section having a first end and a second end, a flange section and a central ring section having a first end at the flange section and a second end at the conical ring section. An inner surface of the conical ring section is configured to form a raceway for a first set of tapered rollers. An inner diameter of the first end of the conical ring section is smaller than an inner diameter of the second end of the central ring section and a wall thickness of the second end of the conical ring section is greater than a wall thickness of the first end of the conical ring section.

Abstract: A bearing monitoring apparatus includes a rolling bearing, multiple rolling elements, a strain gauge configured to detect strain of the outer ring or the inner ring, the strain gauge including at least two resistors, and the resistors being arranged in a same direction as an arrangement direction of the rolling elements so as to correspond to spacing between rolling elements that are next to each other. The bearing monitoring apparatus includes a first circuit configured to generate a first distorted waveform based on an output of one resistor and to generate a second distorted waveform based on an output of another resistor. The bearing monitoring apparatus includes a second circuit configured to subtract the second distorted waveform from the first distorted waveform to generate a differential waveform. The second circuit is configured to compare the differential waveform against a reference value to detect a wear state of the rolling bearing.

Abstract: A porous gas bearing is disclosed. The porous gas bearing includes a housing having a fluid inlet and an aperture. A porous surface layer is disposed within the housing surrounding the aperture in a circumferential direction. The porous surface layer is in fluid communication with the fluid inlet. A damping system includes a damping system including a biasing member, the biasing member being disposed in a passageway that extends along the longitudinal direction of the aperture and circumferentially about the aperture, wherein the biasing member is arranged radially outward from the porous surface layer.

Abstract: Support assembly for movable, rotating or sliding shafts, having a bearing unit adapted to receive the movable shaft, a casing and a cover for fluid sealing an opening of an internal seat of the casing; the bearing unit having a radially outer ring, a radially inner ring and a row of rolling elements between the radially outer ring and the radially inner ring; the support assembly also being provided with: a rear sealing device, placed on the opposite side with respect to the cover, and comprising a metal shield and a vulcanized rubber liner equipped with a first, axially outer, sealing lip and with a second, axially inner, sealing lip the support assembly being characterized in that the rear sealing device comprises a further third sealing lip slidingly contacting the radially inner ring.

Abstract: A rotational coupling including a bearing assembly including a first race rotatably coupled to a second race, wherein the first race is configured to receive a plurality of first fasteners to couple the first race and the bearing assembly to a fluid supply. The rotational coupling also including a connection flange coupled to the second race and configured to receive a plurality of second fasteners to couple the connection flange to the second race. The second race includes a first side facing the connection flange and a second side opposite the first side and facing the first race, wherein the second race includes at least one access aperture configured to enable access to the plurality of first fasteners from the first side to removably couple the bearing assembly to the fluid supply.

Abstract: A deep groove ball bearing having an inner ring, an outer ring and a plurality of rolling elements set between the inner and outer rings. The rolling elements have a diameter DW?0.5H1, up to DW?0.35H1. H1 is the radial dimension of the bearing in the sense of thickness and is numerically equal to half of the difference between the outer diameter and inner diameter of the bearing.

Abstract: A cage segment defines a single pocket of a multipart rolling-element bearing cage and includes first and second circumferentially spaced side walls connected by first and second end walls. The first and second side walls and the first and second end walls are formed by at least one sheet metal segment connected at at least one joint.

Abstract: The present disclosure relates to a low friction bearing liner for a solenoid may include a low friction layer. The low friction layer may include a first fluoropolymer matrix component and a first thermoplastic filler component distributed throughout the first fluoropolymer matrix component. The content of the first fluoropolymer matrix component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer. The content of the first thermoplastic filler component may be at least about 1 wt. % and not greater than about 99 wt. % for a total weight of the first low friction layer.

Abstract: An amount of decrease ?C in an axial clearance of a hub unit bearing is found based on an amount of expansion ?D of an inner ring of the hub unit bearing, which is the difference between the outer-diameter dimension D1 of the inner ring after the inner ring is externally fitted with a tubular fitting portion of a hub spindle of the hub unit bearing and after formation of a swaged portion of the hub spindle, the inner ring being held between the swaged portion and a stepped surface of the hub spindle, and an outer-diameter dimension D0 of the inner ring before the inner ring is externally fitted with the tubular fitting portion.

Abstract: A bearing cage is used for accommodating the rolling elements of a rolling bearing; wherein, the bearing cage comprises an annular cage base; when the bearing cage is inserted and installed in the rolling bearing, there is a first circumferential radial clearance between an outer circumferential surface of the cage base and an inner circumferential surface of an outer ring shoulder of an outer ring, and a second circumferential radial clearance between an inner circumferential surface of the cage base and an outer circumferential surface of an inner ring shoulder of an inner ring; the first circumferential radial clearance is smaller or larger than the second circumferential radial clearance. A rolling bearing comprises the bearing cage as described above.

Abstract: A rolling bearing including an outer ring, an inner ring, rolling elements interposed between the outer ring and the inner ring and a cage for retaining the rolling elements and provided with radial seats or pockets for housing the rolling elements. The cage is guided supportingly on the outer ring with which a first clearance (G1) is defined, while between the pockets and the rolling elements there is a second clearance (G2) such that they have a relative ratio of between about 0.4 and 1. The rolling elements may be balls and the pockets may be formed by radial through-holes, which are circular or square in shape.

Abstract: A system for controlling shaft displacement within a support structure, the system having a rotatable shaft, at least one bearing supporting the shaft, the at least one bearing having an inner race rotatable along with the shaft and an outer race circumferentially surrounding the inner race, an electromagnet assembly positioned about the shaft along a longitudinal axis thereof, and a controller that detects a radial motion of the shaft and determines a corrective force to reduce the radial motion of, or a parameter related to, the shaft, the controller commanding the electromagnet assembly to generate the corrective force to act on the shaft, the electromagnet assembly having a plurality of phases spaced circumferentially about the shaft, the controller commanding different phases of the electromagnet assembly to generate the corrective force so that a vector of the corrective force rotates about the longitudinal axis of the shaft.

Abstract: A cage segment defines a single pocket of a multipart rolling-element bearing cage and includes first and second circumferentially spaced side walls connected by first and second end walls. The first and second side walls and the first and second end walls are formed by at least one sheet metal segment connected at at least one joint.

Abstract: An apparatus for use in a drill string configured for use in a subterranean formation includes a drive shaft coupled to a drill bit, the drill bit configured to continuously rotate and penetrate within the subterranean formation, a drill string housing that houses the drive shaft, the drive shaft continuously rotating within the drill string housing relative to the drill string housing, and a bearing assembly configured bear the drive shaft within the drill string housing, the bearing assembly comprising a first bearing surface having a first curvature.

Abstract: An inner ring or and outer ring for a roller bearing includes: 0.30-0.45 wt. % carbon, 0.1-0.7 wt. % silicon, 0.6-0.9 wt. % manganese, 0.9-1.2 wt. % chromium, 0.15-0.7 wt. % molybdenum, 0-2.0 wt. % nickel, 0-0.02 wt. % phosphorus, and 0-0.02 wt. % sulfur, the balance being iron and unavoidable impurities. The microstructure of the steel composition contains bainite, and a carbonitrided case layer is provided on a surface of the inner ring or outer ring.

Abstract: A sensor bearing unit includes a bearing having a first ring and a second ring centered on an axis, an impulse ring secured to the first ring and a sensor device secured to the second ring for detecting rotational parameters of the impulse ring. The impulse ring is secured into a groove formed on a cylindrical surface of the first ring which is located radially on a side of the first ring opposite the second ring.