Abstract: An ultra-low profile aerostatic bearing and the method of manufacturing the same is disclosed. The aerostatic bearing comprises a substrate as a bearing housing, a hypodermic tubing and a plurality of orifices on the tubing. The method of manufacturing the aerostatic bearing includes the steps of forming the bearing housing and the hypodermic tubing and bonding the hypodermic tubing and the substrate together, and applying an encapsulation substance that encases the hypodermic tubing network and covers the substrate surface to obtain geometric accuracy and surface finish of the bearing surface by replicating the geometry and surface finish of a molding master.

Abstract: An angular contact self-aligning roller bearing, including rollers, an inner ring, a cage, an outer ring, an outer raceway and an inner raceway. The outer raceway is an inner spherical surface. A spherical center of the inner spherical surface is located on an axis of the outer ring and deviates from a central point of the outer ring. The rollers are in a single row. A working surface of each roller is an externally convex surface, which is formed by rotation of a first circular arc as a generatrix around an axis of each roller as a rotation axis. The inner raceway is an internally concave surface, which is formed by rotation of a second circular arc as a generatrix around an axis of the inner ring as a rotation axis. The bearing can withstand separate loads or combined loads in axial and radial directions, and adapt to misalignment.

Abstract: A multi-component snap assembly is disclosed herein in which a snap flange has a snap nose with a contact face including a relief. The relief is configured to prevent undesirably high stress in the snap flange during assembly with another component that includes a retention pocket. A method of attaching or connecting two components with each other using a snap flange with a relief is also disclosed herein.

Abstract: A notch communicating a pair of pockets adjacent to each other in the circumferential direction of pockets of a retainer is provided in a range from an end section on the axially one side to the axially intermediate section of each of pillar portions of the retainer for an angular contact ball bearing, the notch having a substantially rectangular opening shape as seen from the circumferential direction, and an inner surface of the notch having an outer diameter side flat surface portion arranged on the radially outer side from the center of a pocket and extending substantially linearly in the axial direction, an inner diameter side flat surface portion arranged on the radially inner side from the center and extending substantially linearly in the axial direction, and a back side flat surface portion arranged on the axially other side from the center and extending linearly in the radial direction.

Abstract: A method for mounting a sensor bearing unit providing a bearing and an impulse ring provided with a target holder and with a target mounted on an axial portion of the target holder. The method including measuring an eccentricity E1 between the target and the axial portion of the target holder, measuring an eccentricity E2 between a groove made in the bore of an inner ring of the bearing and the bore, introducing the target holder inside the groove, turning the target holder inside the groove to an angular position in which the eccentricity Etotal between the target and the bore of the inner ring is less than or equal to a predetermined value which is lower than the sum of the eccentricities E1 and E2, and securing the target holder inside the groove of the inner ring at the angular position.

Abstract: A magnetic preloading air bearing comprises an air floating substrate, a plurality of preloading assemblies are disposed around the air floating substrate, an annular air floating structure extends and protrudes at one side of the air floating substrate, a shunt assembly is disposed inside the air floating substrate, a lateral of the shunt assembly is disposed corresponding to an inner side of the air floating structure, an air inlet channel penetrates and extends at the other side of the air floating substrate, and the air inlet channel is disposed corresponding to the shunt assembly; and the preloading assembly is connected to the air floating substrate through a fixing rod. The present disclosure aims to provide the magnetic preloading air bearing that has high stability and high precision and is not prone to an air hammer phenomenon, and the linear platform having the bearing.

Abstract: An integrated seal and bearing assemblies with a bearing assembly having an outer ring defining an outside diameter of the bearing assembly and an inner ring defining an inside diameter of the bearing assembly, and having a plurality of rolling elements located between the inner and outer rings. A seal assembly having a sealing element is integrated with the bearing assembly by engaging an extended flange with an internal channel of the seal element, with a sealing extended flange, or directed with complementary surfaces of the outside flange.

Abstract: A segmental bearing device includes a plurality of rolling elements, a segmental cage for receiving the plurality of rolling elements, and a partial shell. The segmental cage has a first end region and a first interference region disposed in the first end region. The partial shell has a bearing race for the plurality of rolling elements, and first and second axial guide flanges for axially guiding the segmental cage. The first interference region lies against the first axial guide flange, axially clamping the segmental cage. The segmental cage may also include a second end region, axially opposite the first end region, and a second interference region disposed in the second end region. The second interference region lies against the second axial guide flange, axially clamping the segmental cage.

Abstract: The invention relates to a tilting pad bearing for supporting a shaft having a longitudinal axis, the tilting pad bearing having —at least two tilting pads which are spaced apart from one another and each have a bearing surface and —at least one hot oil drainer which is arranged in an intermediate space between the at least two tilting pads, the at least one hot oil drainer being supported so as to be movable in the direction to and from the shaft.

Abstract: A deep groove ball bearing includes an outer ring, an inner ring, a retainer and steel balls, where the retainer is disposed between the outer ring and the inner ring, sockets are disposed on the retainer, the steel balls are disposed in the sockets, the retainer is formed by two retainer bodies which are separated from each other, grooves are formed in the retainer bodies at intervals, the grooves in one retainer body are combined with the grooves in the other retainer body to form the sockets, each retainer body is provided with a plurality of sub-connectors which are separated from each other, a first connecting block and a second connecting block are formed at two ends of each sub-connector respectively, two grooves are formed in each sub-connector, and a positioning table is disposed between the two grooves in each sub-connector.

Abstract: A vehicle wheel bearing includes a wheel hub having a hub flange to which a wheel is mounted; at least one inner ring mounted to one side of the wheel hub in a press-fitting manner; an outer ring provided radially outward of the inner ring and having a mounting flange to be mounted to the vehicle body on an outer circumferential surface; one or more rolling elements provided radially inward of the outer ring; and a sealing member configured to prevent foreign matters from flowing into the wheel bearing. The sealing member includes a first sealing member mounted to the wheel hub or the inner ring; and a second sealing member mounted to the outer ring. One or more elastic sealing lips are provided in one or both of the first sealing member and the second sealing member.

Abstract: A pivot cradle bearing (1) for an axial piston machine, including a bent cage segment (2), in which rolling bodies are guided, which are arranged between two bearing parts which can be pivoted with respect to one another, wherein a synchronization device (4), which is designed for synchronizing the relative movement of the bearing parts with the displacement of the cage segment (2), includes a pivoting lever (5) which is mounted in the cage segment (2). An articulated bearing (6) is provided for mounting the pivoting lever (5) in the cage segment (2), the articulated bearing having an asymmetrical design with respect to a tangential plane (TE) lying centrally between an inner circumferential surface and an outer circumferential surface of the cage segment (2).

Abstract: A sealing system includes a casing with an internal seat, a front edge, an opening, and a radially external lateral surface defining an annular seat. The annular seat includes an annular groove axially spaced from the front edge, itself including one or more mechanical stops, and a plurality of axial grooves connected to the annular groove and interrupting radially at least part of the front edge. The annular groove defines a bottom wall provided with projections spaced from one another and defining depressions, the projections circumferentially offset from the axial grooves. The sealing system further includes a cover with a bottom wall and an annular coupling portion. A radially inner surface of the annular coupling portion includes teeth projecting radially inward and spaced circumferentially from each other. The annular seat is configured to receive the at least one pair of teeth of the annular coupling portion of the cover.

Abstract: The invention relates to an exhaust gas turbocharger having a hydrodynamic plain bearing or a hydrodynamic plain bearing, comprising a rotor (10) and a counter-bearing part (50) assigned to the rotor (10), wherein a rotor bearing surface of the rotor (10) and a counterface of the counter-bearing part (50) face each other to form the hydrodynamic plain bearing in the form of a combined journal—thrust bearing, having a continuous hydrodynamically load bearing gap formed between the rotor bearing surface and the counterface, wherein the rotor bearing surface and/or the counterface, when cut longitudinally and through the axis of rotation (R) in sectional view, form(s) a bearing contour forming merging contour sections (17.1 to 17.3; 44.1 to 44.3; 53.1 to 53.3) to generate hydrodynamic load capacities in both the radial and the axial direction, wherein a contour section (17.3; 44.3; 53.

Abstract: A ball socket structure is provided, which includes a ball portion and a socket portion, the ball portion and the socket portion being configured to slide against one another, in which the socket portion includes a sliding surface including a PVD coating layer, the sliding surface of the socket portion is a concave spherical surface, and a value (Ds/Rs) of a ratio between a depth Ds of the sliding surface and a radius of curvature Rs of the sliding surface is from 0.05 to 0.70.

Abstract: A roller bearing assembly for determining loads on a roller bearing includes a roller bearing having coaxial inner and outer rings and an axis of rotation, and a plurality of rollers each having a rotation axis being arranged between the rings. At least one ring has recess for receiving a force-measuring pin. A force-measuring pin is received in the recess. The longitudinal axis of the force-measuring pin extends at least partly along the axis of rotation of the roller bearing. The recess and the force-measuring pin extends into a region, which is under a load, of the ring that has the recess such that at least one vertical projection plane perpendicular to the rotation axis of the rollers extends along the force-measuring pin and a region of maximum load. This allows loads to be reliably measured.

Abstract: A cutting-ring assembly configured for use in a tunnel boring machine includes a cutting ring, an axle, and a bearing unit. The cutting ring is rotatably supported on the axle via the bearing unit, and the bearing unit includes at least one rotating outer ring having a first raceway and a second raceway, at least one fixed inner ring having a first raceway and a second raceway, and rolling elements between the raceways. Either the at least one inner ring or the at least one outer ring includes a first ring having an elongated axially extending shoulder and a second ring having an elongated axially extending shoulder abutting against the elongated axially extending shoulder of the first ring.

Abstract: Embodiments disclosed herein relate to bearing assemblies and methods of manufacturing. In an embodiment, a bearing assembly includes a support ring and bearing elements. The bearing elements are mounted to and distributed circumferentially about an axis of the support ring. At least one of the bearing elements includes a polycrystalline diamond table, a substrate bonded to the polycrystalline diamond table, bonding region defined by the substrate and the polycrystalline diamond table, and a corrosion resistant region. The corrosion resistant region includes a corrosion resistant material that covers at least a portion of at least one lateral surface of the bonding region. The corrosion resistant region prevents corrosion of at least some material in the bonding region covered by the corrosion resistant region (e.g., during use). Other embodiments employ one or more sacrificial anodes as an alternative to or in combination with the corrosion resistant region.

Abstract: A bearing assembly with a consumer of electrical energy and at least one energy generating device, has a first component and a second component, which are arranged so as to be movable repetitively relative to one another. The energy generating device has at least one electrical conductor arranged in a loop shape and at least one permanent magnet, wherein the electrical conductor is arranged on the first component, and the permanent magnet is arranged on the second component.

Abstract: A rolling guide device includes a track member, a moving member, and a plurality of rolling bodies. Rolling-body rolling surfaces that come into contact with an rolling-body outer circumferential surface of a rolling body are respectively formed in wall surfaces of a pair of wall portions included in the track member facing each other, a scraper including a pressing portion that presses the rolling-body rolling surfaces is turnably installed in the moving member, the scraper includes at least an attachment portion and a pressing portion, and is formed such that a frictional force of the pressing portion with respect to the rolling-body rolling surfaces is smaller than a frictional force of the attachment portion with respect to an attachment shaft formed in the moving member.