A bearing ring has first and second cylindrical surfaces, first and second annular side surfaces and at least one compensation element attached to the bearing ring, preferably in a groove at a junction of the first cylindrical surface and the first annular side surface. The bearing ring is manufactured from a first material having a first coefficient of thermal expansion and is configured to be connected to a component that is manufactured from a second material having a second coefficient of thermal expansion, and the at least one compensation element is manufactured from a third material having a coefficient of thermal expansion that is greater than or equal to the coefficient of thermal expansion of the second material. Also a bearing assembly including the bearing ring and the component.

A rolling bearing includes an outer ring as a fixed ring, an inner ring as a rotary ring, and rolling elements disposed between the outer ring and the inner ring. The outer ring includes, on the radially opposite side of its raceway surface, a fitting surface fitted to a mating member, two annular grooves in which elastic members are fitted, and a recess adjacent to the annular grooves, and the recess has a bottom surface having an outer diameter smaller than the outer diameter of the fitting surface.

A discharge device for discharging an electrical charge and/or voltage from a rotor of an electric motor via a shaft from a first discharge partner to a second discharge partner, the discharge device including a support body device, wherein the support body device includes a connecting portion for electrical and mechanical connection to one of the discharge partners and expanding portions for expanding the connection of the support body device to the one of the discharge partners, wherein the expanding portions include the connecting portion.

A sensor bearing assembly includes a bearing having an inner ring and an outer ring centered on an axis, an impulse ring secured to the outer ring of the bearing, and a sensor device for detecting rotational parameters of the impulse ring. The sensor device includes a sensor housing and at least one sensor element supported by the sensor housing and cooperating with the impulse ring. An annular spacer is configured to axially abut against a lateral face of the inner ring of the bearing and the sensor housing is secured to the spacer. An outer diameter of the sensor housing is less than or equal to an outer diameter of the outer ring.

A sensorized hub bearing unit having at least one strain sensor for detecting, in real time, forces and moments applied to an outer ring of the hub bearing unit, in which a radially outer ring of the hub bearing unit is formed by a coupling of a first annular element and a second annular element arranged coaxially, the second annular element radially fitted and integrally inside the first annular element and at least one strain sensor arranged in line with an interface between the first annular element and the second annular element.

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.

An insulating device for a bearing mountable within a housing, the bearing having an inner ring and an outer ring with an outer circumferential surface and opposing axial ends and a plurality of rolling elements disposed there between. The insulating device comprises: a first annular part, which is adapted to be in contact to the outer circumferential surface of the outer ring, and a second annular part, which is also adapted to be in contact to the outer circumferential surface of the outer ring. The first and second part form the insulation device which is adapted to contact, in an assembled state of the bearing in the housing, both the outer ring and the housing. The first part is thermally conductive and electrically insulating and the second part is electrically insulating and less thermally conductive than the first part or is not thermally conductive.

A bearing component is an annular member with a two-dimensional code which has a shape with a maximum circumferential dimension longer than a maximum radial dimension or a maximum axial dimension. An individual identification method for the bearing component includes the steps of imaging while rotating the bearing component, detecting a line pattern of the two-dimensional code from a captured image, recognizing the two-dimensional code based on an extension direction of the line pattern, extracting corresponding registration information by referring to a database based on information of the two-dimensional code, and identifying the bearing component according to the extracted registration information.

A bearing arrangement for a turbomachine includes first and second roller element bearings. The first bearing and the second bearing are disposed on opposite axial ends of an intermediate sleeve of the rotating group. The first bearing has a first inner race with a first inner radial surface and a first outer radial surface. The first inner radial surface has a first interference fit with a shaft of the rotating group. The first outer radial surface has a second interference fit with the intermediate sleeve. The second bearing has a second inner race with a second inner radial surface and a second outer radial surface. The second inner race receives the shaft with a clearance fit. The second outer radial surface has a third interference fit with the intermediate sleeve. The second inner race is coaxially aligned with the first inner race and the shaft via coaxial alignment of the intermediate sleeve and the first inner race.

A gantry assembly includes a rotor rotatable about a central axis, a stator fixed with respect to the axis and a bearing inner ring connected with the rotor and having an outer circumferential surface providing a least one inner raceway and two opposing axial end. A bearing outer ring is disposed about the inner ring and has an inner circumferential surface providing at least one outer raceway, first and second axial ends, an annular recess extending axially inwardly from the first axial end, and a plurality of threaded mounting holes extending axially-inwardly from the recess and spaced circumferentially about the central axis. An annular damper is disposed within the recess and a plurality of threaded fasteners each extend from the stator, through the damper and into a separate one of the plurality of threaded mounting holes to connect the bearing outer ring with the stator.