Abstract: A bearing having an inner ring, an outer ring, and sealing means is provided. The bearing includes a complementary inflatable sealing device mounted on one of the rings and further includes a fixed annular part and a deformable annular portion coupled to the annular fixed part that can be deformed in a direction from a retracted position to a deployed position under the effect of a fluid and in the other direction towards its retracted position, at least one annular chamber for receiving the fluid, into which the orifice being formed between the fixed and deformable portions at least when the deformable annular portion is extended axially.

Abstract: The present invention relates to a bearing assembly that provides a magnetic sensor; a shaft; and a bearing. One of the shaft and the bearing is provided with a surface having a bearing steel and including a magnetic pattern disposed thereon for indicating a rotation of the shaft relative to the bearing. The magnetic pattern is provided by the microstructure of the surface; and the sensor is arranged to sense the pattern and output a signal indicative of a rotation of the shaft relative to the bearing.

Abstract: A wheel bearing assembly for a vehicle includes at least one rolling-element bearing having a first bearing ring and a second bearing ring defining therebetween a bearing interior, rolling elements disposed in the interior, and a seal assembly for sealing the bearing assembly. The seal assembly includes a sleeve-shaped element connected to the second bearing ring such that the sleeve-shaped element rotates with the second bearing, and the sleeve-shaped element includes a flange that forms an axial stop for the rolling elements. A carrier element is connected to the first bearing ring such the carrier element rotates with the first bearing ring, and the carrier element includes a radially extending annular flange. The radially extending annular flange supports a radially encircling seal having at least one seal lip, and the seal lip extends toward the second bearing ring and sealingly abuts on the sleeve shaped element.

Abstract: A hybrid magnetic suspension of a rotor (1) having compressor wheels (2, 3) having permanent magnets (104, 114) integral to shrunk fit rings (8, 18) arranged on the rotor (1) in the vicinity of the compressor wheels (2, 3), permanent magnets (124, 134) integral to stationary rings (23, 33) coaxially arranged with the rotor (1) and associated with a resilient material (5, 15) to define a passive radial magnetic bearing, coils (6, 16) associated with magnetic armatures (10, 20) and facing rotor parts (7, 17) being located perpendicularly to the rotor (1), and axial sensors (60, 160) configured for sensing the axial position of the rotor (1) and control means (200) configured for feeding the coils (6, 16) as a function of the outputs of the axial sensors (60, 160) for generating both axial bearing forces and a motor torque and thereby being adapted for defining an axial bearingless motor.

Abstract: A spherical roller bearing is provided having an outer ring that includes at least one inner raceway, an inner ring that includes a first and a second outer raceway, a plurality of roller elements disposed in a first and second roller row between the at least one inner raceway and the first and second outer raceway, a cage for one of guiding and retaining the roller elements in the first and second roller row, the cage includes a plurality of cage pockets, in which one of the plurality pf rollers is disposed within each cage pocket. The bearing further provides a specific pitch circle diameter (PCD), and when the cage is under-pitch roller centered in relation to the pitch circle diameter (PCD). In addition, a bearing arrangement and a wind turbine bearing arrangement is disclosed.

Abstract: A radial cage for receiving and guiding cylindrical rolling elements includes first and second axially spaced side rings and a plurality of axial bridges therebetween, the axial bridges defining a plurality of pockets for receiving the cylindrical rolling elements. Each of the plurality of axial bridges includes a first axial side section connected to the first side ring and a second axial side section connected to the second side ring and a center axial section, and the center axial section is connected to the first side section via a first oblique intermediate section and to the second side section via a second oblique intermediate section, and the first axial side section includes a first region having a first material thickness and a second region having a second material thickness greater than the first material thickness.

Abstract: Disclosed is a supply device for supplying a consumer with a viscous medium, in particular a lubricant supply device, including at least a reservoir for the viscous medium including a follower piston which includes a ring seal at its circumferential edges and is supported on the viscous medium and which separates the reservoir into a space supplied with a viscous medium and an air space, and a feed pump for feeding the viscous medium from the reservoir to a medium outlet, such that further in the reservoir at least one opening is provided which serves to receive a ventilation apparatus via which the reservoir is in air-exchanging contact with the exterior surroundings, such that the opening is arranged in the reservoir such that in a determined filling state of the reservoir the ring seal at least partially overrides the opening so that the space supplied with a viscous medium is in fluidic connection with the opening.

Abstract: The invention relates to a bearing assembly providing a bearing having a first ring with a hole, two front edges and an outer cylindrical surface, and a second ring having a hole, two front edges and an outer cylindrical surface, the first and second rings being relatively in relative rotation about a central axis. At least one row of rolling elements is housed in a bearing chamber formed between an outer cylindrical surface and a hole of the rings. The assembly is configured to be mounted in a housing. The assembly also includes at least one envelope mounted on one of the rings of the bearing, such that a dimensional difference between the housing and the bearing is compensated by the envelope.

Abstract: A hub unit including an end cap for preloading and retaining a bearing unit on an axle. The end cap is provided with a sensor unit for detecting at least one of vibrations and temperature of the bearing unit.

Abstract: A temperature compensation ring configured to compensate for changes in a temperature-dependent distance between two components includes a base body made from an elastic material and a first reinforcing body and a second reinforcing body, each of the first and second reinforcing bodies including a harder material than the material of the base body. The first and second reinforcing bodies are disposed at opposite end surfaces of the base body and partially define an outer periphery of the temperature compensation ring.

Abstract: A cam follower, comprising: a tappet which includes two flanges provided with opposite holes centered on a transverse axis; a pin extending along the transverse axis between two opposite ends received in the opposite holes; and a roller movable in rotation relative to the pin around the transverse axis and adapted to roll on a cam. Each of the opposite holes is provided with: an open portion for mounting the pin by translation in a first direction perpendicular to the transverse axis, a cylindrical portion for supporting the pin along the first direction and a plane portion for retaining the pin along the transverse axis during transport and mounting of the cam follower. A method includes steps for manufacturing such a cam follower.

Abstract: A spherical roller bearing including an outer ring providing at least one inner raceway, an inner ring providing a first and a second outer raceway, a plurality of roller elements arranged in a first and second roller row between the at least one inner raceway and the first and second outer raceway, a cage for at least one of guiding and retaining the roller elements in the first and second roller row. The cage provides a plurality of cage pockets, wherein one of the roller elements is disposed within each one of the plurality of cage pocket. The bearing further provides a specific pitch circle diameter (PCD), and the cage is over-pitched roller centered in relation to the pitch circle diameter (PCD). In addition, a bearing arrangement is disclosed.

Abstract: A seal configured to seal a gap between a first component and a second component to at least partially retain a fluid on a first side of the seal in a space between the first component and the second component, the seal including a seal body having a radially outer periphery and a central opening configured to receive the first component or the second component, at least one sensor configured to detect a characteristic of the fluid and an adapter. The at least one sensor is disposed on the adapter, and the adapter has a first portion extending through the seal body at a location spaced from and radially between the radially outer periphery and the central opening and a second portion axially abutting the seal body on the first side of the seal.

Abstract: A bearing component part, a bearing component and a process for manufacturing the bearing component. The bearing component part comprises at least one circumferential peripheral surface, wherein the circumferential peripheral surface presents at least one groove extending along at least a part of the circumference of the peripheral surface, wherein the groove is arranged to receive a second material, the peripheral surface further presenting a first and a second portion located on opposite sides of the at least one groove along the circumference of the peripheral surface, wherein the bearing component part comprises a weldable metallic material.

Abstract: A bearing component having a ceramic surface, the ceramic surface including a plurality of pores, and at least some of the pores are at least partially filled with a resin comprising a resole phenolic resin.

Abstract: An assembly comprising at least an electrical component mounted on a substrate. The component includes at least a first electrode and a second electrode. The substrate includes at least a first electrical conductor and a second electrical conductor. The first electrode is electrically connected to the first electrical conductor and the second electrode is electrically connected to the second electrical conductor. In a direction perpendicular to the substrate, the first electrode is located between the first electrical conductor and the second electrode. The second electrode is connected to the second electrical conductor by a connecting element extending between the second electrode and the second electrical conductor.

Abstract: A bearing monitoring apparatus including at least one interface for receiving strain signals detected by at least one strain sensor mounted on a bearing and at least one data processing unit configured to monitor the bearing by detecting bearing defects based on the strain signals is provided. The data processing unit is configured to subject the strain signal to a high pass filtering. A limit frequency of the high pass filter is set higher than a typical ball pass frequency of the bearing to be monitored, to calculate a quantity representative of the amplitude of the envelope signal of the high-pass filtered strain signal, to compare the peak hold of the envelope signal with an envelope threshold value, to classify the bearing using the result of the envelope comparison and to issue at least one warning signal if the bearing is classified as defective.

Abstract: A rolling-element bearing cage or cage element includes at least one axial bridge region having first and second guide surfaces, the first guide surface and the second guide surface each have a recessed region axially between first and second non-recessed regions, at least one V-shaped receiving space in a radial outer surface of the rolling-element bearing cage or cage element configured to receive lubricant, and first and second fluid channels extending from the at least one receiving space to the recessed regions of the first and second guide surfaces. The fluid channels have rectangular cross sections, are about as wide as a width of the recessed regions, and are angled at an acute angle to a radial direction, and the receiving space is approximately as wide as the recessed regions.

Abstract: A bearing assembly comprising a rolling element bearing having a first row of rolling elements arranged in a first bearing cavity between a first inner raceway and a first outer raceway of the bearing, and having a second row of rolling elements arranged in a second bearing cavity between a second inner raceway and a second outer raceway of the bearing. The assembly further comprises an annular grease cartridge arranged between the first and second rows of rolling elements. The annular grease cartridge is at least partly formed from a honeycomb structure having axially extending passageways filled with a grease lubricant, wherein at least some of passageways are open towards the first and second bearing cavities.

Abstract: A process for the manufacture of a lubricating grease composition, the process comprising steps of: (a) providing an essentially homogeneous liquid composition comprising a lubricating oil and a thickening polymer, and (b) flowing the liquid composition through a shear-mixing device to mix and cool the liquid composition to form a lubricating grease composition.