Abstract: A bearing cage segment for a segmented bearing cage includes a plurality of walls that define a pocket configured to receive a rolling element and an insert element captively retained in an opening in a first one of the plurality of walls. The insert element may be configured to guide a rolling element retained in the bearing cage and/or be configured as a lubricant reservoir.

Abstract: A thrust bearing assembly comprises a cage including an annular portion. A first flange extends axially from an inner peripheral edge of the annular portion, and a second flange extends axially from an outer peripheral edge of the annular portion. A first plurality of roller pockets are defined by the annular portion, the first roller pockets of the first plurality of roller pockets being spaced evenly about the annular portion. A second plurality of roller pockets are defined by the annular portion, the second roller pockets of the second plurality of roller pockets being evenly spaced about the annular portion so that each second roller pocket is disposed between adjacent first roller pockets.

Abstract: Bearing assemblies and methods of manufacturing bearing assemblies are provided in the present disclosure. In one embodiment, a bearing assembly includes a base member and at least one bearing element coupled to the base member. The bearing element may be coupled with the base member by at least two different coupling techniques, including two of: a mechanical fastener, a clamped structure, a geometrical fit, welding, and brazing. In one embodiment, a first technique may include use of a mechanical fastener and a second technique may include welding or brazing. In another embodiment, a first technique may include use of a clamping mechanism or structure and a second technique may include welding or brazing. In another embodiment, a first technique may include use of a geometrical fit and a second technique may include welding or brazing.

Abstract: A roller bearing assembly including an tapered inner cup defining an inner raceway, an tapered outer cup defining an outer raceway, the outer raceway having a convex profile, the convex profile being defined by an intersection of the outer raceway and a central plane in which a longitudinal center axis of the roller bearing assembly lies, and a plurality of straight rollers disposed between the tapered inner cup and the tapered outer cup so that each straight roller is in rolling contact with the inner raceway and the outer raceway, each straight roller having a first end face, a second end face and a cylindrical body extending therebetween.

Abstract: Oil outlets penetrating from an inner circumferential surface to an outer circumferential surface of a carrier ring are located in at least two of: a range that is on a forward side in a rotation direction of a rotary shaft from an upstream pivot and on a backward side in the rotation direction of the rotary shaft from a downstream pivot, a range that is from 180 degrees to 360 degrees and is from a position at a vertical height of the downstream pivot to a position at a topmost vertical height of the rotary shaft, or a range that is from 0 degrees to 180 degrees and is from a position at a vertical height of the upstream pivot to the position at the topmost vertical height of the rotary shaft.

Abstract: A bearing includes a first ball track and a second ball track being annular and respectively disposed on an inside and an outside of the bearing. The first ball track has a first side wall and a second side wall. A first track and a first damping element are disposed on the first side wall. The second ball track has a third side wall and a fourth side wall. A second track and a second damping element are disposed on the third side wall. The first track and the second track jointly form a receiving space for disposing a plurality of balls abutted by both the first track and the second track. The second damping element and the first damping element get in contact and rub against each other to be rotatable relative to each other. The present disclosure provides a damping for rotating through rubbing between the damping elements.

Abstract: A bearing unit includes at least one first ring and at least one second ring, the at least one first ring and the at least one second ring being rotatable relative to each other and defining a bearing interior between them. Each first ring is designed to be attached to a component with a press fit, the component being formed from a first material with a first coefficient of thermal expansion. The first ring(s) is/are formed from a second material with a second coefficient of thermal expansion that is different than the first coefficient of thermal expansion and the first ring(s) are provided, on a side facing the bearing interior, with at least one insert element. The insert element(s) are formed from a third material with a third coefficient of thermal expansion, the third coefficient of thermal expansion being at least as great as the first coefficient of thermal expansion.

Abstract: An oil collecting bushing for a bearing. The bushing is used for guiding lubricating oil into a roller path of a bearing, and includes a cylindrical bushing main body and a plurality of oil claws. An oil collecting groove for collecting the lubricating oil is formed on an inner circumferential part of the bushing main body, and the bushing main body is provided with a plurality of openings which penetrate the bushing main body and which are in communication with the oil collecting groove. The plurality of oil claws are arranged at the parts of the bushing main body where the openings are formed, and each oil claw is formed so as to warp radially outwards from the bushing main body. Therefore, under the centrifugal force generated during the rotation of an oil collecting bushing the lubricating oil from the oil collecting groove can be guided into the roller path by the oil claws via the corresponding openings.

Abstract: The present application relates to a field of bearing technology and relates to a recirculating roller bearing, including a front cover plate, a rear cover plate, an inner supporter, a sealing covering and a plurality of rolling carriers and at least one connector, in which the front cover plate and the rear cover plate are detachable connected on two sides of the inner supporter respectively; a circulating guiding path is defined by the front cover plate, the rear cover plate, the inner supporter and the sealing covering, the circulating guiding path includes a sealing portion and an opened load-bearing portion; the rolling carriers are filled in the circulating guiding path, each of the rolling carriers forms a rolling fit with the inner supporter, and each of the rolling carrier forms a rolling fit with a retractable fork when passing the opened load-bearing portion of the circulating guiding path.

Abstract: A lubrication system for a pitch bearing of a wind turbine includes a lubricant for lubricating contact surfaces between an outer race, an inner race, and a plurality of rolling elements of the pitch bearing. Further, the lubrication system includes a lubricant inlet formed into a first side of the inner race and an inlet seal for sealing the lubricant inlet so as to prevent the lubricant from leaking from the lubricant inlet. Moreover, the lubrication system includes a lubricant outlet formed into an opposing, second side of the inner race and a lubricant collection container arranged adjacent to and in fluid communication with the lubricant outlet and mounted to the inner race. Thus, during operation of the wind turbine, at least one of a slope of the pitch bearing, gravity, and a centrifugal effect cause the lubricant to flow throughout the pitch bearing to lubricate the contact surfaces without exiting a closed volume defined by the inlet seal(s) and the lubricant collection container(s).

Abstract: The ball reflow component includes a ball cage, a first end cover, and a second end cover. The ball cage includes a long groove, a first recessed portions, a second recessed portions, a first side portion, and a second side portion corresponding to the first side portion. The first recessed portions and the second recessed portions are arranged on the first side portion and the second side portion, respectively. The first end cover is assembled on the first side portion. The first end cover includes a first curve and first protruding portions, and the first protruding portions are correspondingly arranged in the first recessed portions. The second end cover is assembled on the second side portion. The second end cover includes a second curve and second protruding portions, and the second protruding portions are correspondingly arranged in the second recessed portions.

Abstract: A bearing including a sidewall including an electrically conductive substrate, and an electrically non-conductive or low-conductive sliding layer coupled to the substrate, where the sidewall includes at least one circumferential rib feature protruding radially inward or radially outward from a bore defining a central axis, where the at least one circumferential rib feature has an aspect ratio between a circumferential length and an axial width of at least 2:1, where the circumferential rib feature is adapted to contact an opposing component such that at a point of contact the bearing has a void area free of sliding layer so as to provide electrical conductivity between the bearing and the opposing component.

Abstract: A bearing device includes an inner ring and an outer ring. At least one of the radially inner surface of the inner ring and the radially outer surface of the outer ring is covered with a coating layer. The coating layer is a coating layer composite composed of a plurality of layers. Of the plurality of layers, the surface layer is composed of an anti-creep film having lubricity, and at least one layer other than the surface layer is composed of an insulating film having insulating properties.

Abstract: A guide device includes: a metal component in the form of a bush provided with a friction surface intended to receive a mating part in frictional contact by sliding with oscillation; a wear sensing system of the friction surface having one or more sensors; and a wireless communication system connected to the detection system and configured to transmit information relating to the wear of the friction surface out of the guide device. The sensor or sensors are arranged exclusively on one longitudinal side or on two longitudinal sides of the bush, each longitudinal side being defined over at most two fifths of the length of the annular bush.

Abstract: A bearing unit having an axis of rotation (X) for a wheel hub assembly for motor vehicles includes stationary radially outer ring, a rotatable wheel hub or first radially inner ring, a rotatable second radially inner ring having an axially external first axial contact edge, an axially internal second axial contact edge having a radially external first contact surface configured to abut a surface of the first radially inner ring, a radially internal second contact surface, and a relief groove interposed radially between the first contact surface and the second contact surface, two rows of rolling bodies interposed between the radially outer ring and the second radially inner ring, and a joint including a bell, the second contact surface contacting a surface of the bell and axial locks the radially inner ring, and the relief groove reducing contact between the second contact edge and the surface of the bell.

Abstract: A turbo fluid machine includes a rotating member having a bearing-contact surface; an operating part configured to rotate together with the rotating member to compress and discharge a fluid; a housing accommodating the rotating member and the operating part; and a foil bearing having a bearing surface that faces the bearing-contact surface and supporting the rotating member such that the rotating member is rotatable relative to the housing. At least one of the bearing-contact surface or the bearing surface has thereon a coating layer. The coating layer comprises polyamide-imide serving as a binder resin and molybdenum disulfide serving as a solid lubricant. A mass ratio of molybdenum disulfide to polyamide-imide is 0.42 or more.

Abstract: A bar portion is formed so that an outer circumferential surface on a tip portion side is located on an inner diameter side with respect to an outer circumferential surface of a main portion. On an inner diameter side of a cage, lightened portions obtained by notching in an axial direction from an axial side surface of the main portion are formed separately at positions of the respective bar portions in a circumferential direction. Each lighting portion is formed separately from a surface of a pocket and an axially outer surface of the bar portion formed between a pair of claw portions. An axial dimension T1 of a wall portion formed between an axially outer surface of the bar portion and an inner wall surface of the lightened portion is greater than an axial dimension T2 of the main portion on a bottom portion of the pocket.

Abstract: A self-aligning bearing support assembly for supporting a radial load rotary or linear bearing. The bearing support assembly has a main axis (A) and includes an outer sleeve and an inner sleeve at least partially received in the outer sleeve. The inner sleeve has an axially extending bore for supporting a rotary or linear bearing or for forming a bearing surface of a bearing. Three or more circumferentially separated chambers are formed between the inner sleeve and the outer sleeve. Each chamber is confined in all directions by walls of the assembly. A lump of a substantially incompressible material fills each of the at least three chambers with the chamber concerned substantially completely enclosing the lump.

Abstract: The invention relates to a rolling bearing, in particular a center-free large rolling bearing, comprising two concentric races, of which one race has a groove open toward the other race and the other race has a lug ring, which engages in said groove, the lug ring being supported on the groove by means of at least two thrust bearings and at least one radial bearing, said axial bearings being designed as roller bearings, all the radial bearings being designed as ball bearings.

Abstract: A hinged component with one degree of freedom includes at least two concentric rings, movable in rotation in relation to one another around a central axis, defining a friction interface therebetween and including: an outer ring having an inner friction surface and an inner ring having an outer friction surface and an inner friction surface intended to receive a movable member guided by the component in rotation, oscillation and/or translation.