Abstract: A ball-screw actuator includes a screw nut having a metal core and an over-molded plastic outer shell. The plastic outer shell includes features which would be expensive to manufacture in a single piece metal screw nut, such as an anti-rotation feature, an axial position control feature, and a lateral position control feature. The anti-rotation feature may take the form of an axial groove or of an axial ridge.

Abstract: A large-size axial eddy current damper manufactured by use of screw drive comprises a drive assembly and an eddy current damping generator; the drive assembly comprises a screw drive pair, and a stator and a rotor respectively made of magnetic conductive materials; the screw drive pair comprises a screw rod and a nut sleeved on the screw rod; the screw rod sequentially penetrates through central holes of upper and lower flanges of the stator; the nut is within the stator; the rotor comprises an outer rotor and an inner rotor having the bottom provided with a lower connecting flange; one or more eddy current damping generators are arranged between the stator and the outer rotor. Problems of having difficulty in manufacturing axial dampers with a large damping coefficient and simulating anti-vibration dampers with a speed index of less than 1, by use of eddy current damping, can be solved simultaneously.

Abstract: A double row ball bearing includes: an outer ring; an inner ring; a plurality of first balls disposed between the outer ring and the inner ring to form a first ball row; a plurality of second balls disposed between the outer ring and the inner ring to form a second ball row having a pitch circle diameter larger than that of the first ball row; an annular first cage having a plurality of first pockets in which the first balls are held; an annular second cage having a plurality of second pockets in which the second balls are held; and an annular portion that covers, together with the outer ring, a portion of each second ball held in the second pocket from the radially outside, the portion being exposed on the outside of the second pocket and oriented radially outward.

Abstract: The present invention refers to a linear engine for compressor, and to a compressor provided with a linear engine. The linear engine for compressor comprises at least a stator consisting of a first core (2) and a second core (3), and at least a cursor (4), wherein said first core (2), cursor (4) and second core (3) are concentrically disposed. Said first core (2) is substantially defined by at least two different bodies (21, 22) and provides attaching means (6, 7) between said two bodies (21, 22).

Abstract: A process for manufacturing a rolling contact member comprises preparing a steel member consisting of a steel containing 0.7 mass % or more of carbon; performing hot forging of the steel member prepared in the steel member preparation step to thereby obtain a blank ring as the first forged member; performing turning of the blank ring obtained in the hot forging step to thereby remove part of the blank ring; and performing cold forging of the blank ring wrought in the first turning step to thereby obtain a stepped ring. In the steps subsequent to the cold forging step, on the stepped ring, the area wrought in the first turning step is not subjected to cutting.

Abstract: A method for manufacturing a bearing ring is provided. The method includes punching out a blank from sheet metal. A radially extending groove is formed in the blank. The blank is stamped in a cup-shaped die which creates an axially extending side wall and a bottom wall, with a first undercut being formed by the radially extending groove located at a juncture between the side wall and the bottom wall at a first axial end portion of the bearing ring. A second axial end portion of the side wall is thinned. The second axial end portion is then bent creating a flange with a second undercut located at a juncture between the flange and the side wall.

Abstract: A method of manufacturing large diameter tapered roller bearing cages includes beginning with a metal strip, coil or plate of cage blank material and feeding it into a rolling mill. The rolling mill includes a pair of unparallel forming rolls disposed to define a wedge-shaped gap therebetween. As the cage blank material is fed through the wedge-shaped gap, one lateral side of the cage blank material is plastically deformed to reduce its thickness and to elongate its length, while slight or no deformation is introduced into the other lateral side, thus forming the cage blank into an arc shape. A third roll disposed at the exit side of the forming rolls bends the rolled cage blank into a circular conical ring. Adjacent butt ends of the formed conical ring cage blank are aligned and joined together during the assembly process to form the large diameter tapered roller bearing cage.

Abstract: An outer ring for a rolling-element bearing includes a first region having a first diameter on an outer surface of the outer ring, a second region on the outer surface of the outer ring, the second region having a second diameter larger than the first diameter, a circumferential groove at a boundary between the first region and the second region, and a filler in the groove. The filler is configured such that a temperature compensation ring can be mounted to the outer ring at the first region so that it abuts on an axial end of the second region, the temperature compensation ring having an inner diameter, at least in the region which is disposed over the groove in the radial direction, that corresponds to the outer diameter of the first region.

Abstract: Various aspects of the present disclosure are directed towards an apparatus/method including rolling elements, an outer ring surrounding an inner ring and the inner and outer rings guiding rotation of the rolling elements in a rotation region therebetween, and a cap secured to the inner ring. The apparatus further includes a bearing shield arrangement secured to one of the outer and inner rings and configured with the other of the outer and inner rings to define a gap for the flow of vapor or lubricant from the rotation region through a vapor restricting pathway.

Abstract: An alignment device aligns rollers R in an annular shaped alignment space 24 in parallel to each other while at the same time prevents damage from occurring on rolling surfaces of rollers R. Plural rollers R that are arranged in a row in an axial direction are sequentially supplied into an annular shaped alignment space 24 that is formed in a main jig 14 in a direction that coincides with a width direction of the alignment space 24. The plural rollers R are aligned in an annular shape so as to be in parallel to each other by alignment-fluid-supply means 16 spraying air onto a roller R that is in a supply position in the alignment space 24 from a direction that is orthogonal to the roller R supply direction and moving the roller R in a circumferential direction of the alignment space 24, and then supplying a next roller R into the alignment space 24.

Abstract: A method of manufacturing a drawn cup needle roller bearing having a seal ring, including forming the seal ring by a press working by: punching a metal plate to form an annular first intermediate material; subjecting the first intermediate material to burring working such that a portion close to an inner diameter of the first intermediate material is bent in an axial direction at a right angle to form an annular second intermediate material having an L-shaped cross section, the second intermediate material comprising a cylindrical portion and an outward flange portion which is bent radially outward from an axial end portion of the cylindrical portion; removing the outward flange portion to form a cylindrical third intermediate; and subjecting the third intermediate material to cold rolling working to regulate an inner diameter, an outer diameter and a cross sectional shape of the third intermediate material.

Abstract: The invention relates to a bearing arrangement in which two spring systems are decoupled from one another. The invention further relates to a method for assembling a bearing arrangement, in which the dimensions of a compensation means can be subsequently adapted.

Abstract: The invention relates to a guide, comprising a first (1) and a second (2) guide profile, each guide profile having a longitudinal direction, where the first guide profile extends at least partly within the second guide profile, the longitudinal direction of the guide profiles being parallel to each other, wherein on two opposite sides, parallel to the longitudinal directions guide tracks (9) are formed between wall parts of the first and second guide profiles, a ball guide strip (13) being included in each of the guide tracks, each guide strip comprising a strip having a longitudinal direction and a series of openings (22) spaced apart in said longitudinal direction of the strip, balls (8) being provided in the openings which run on said wall parts forming the tracks, wherein at least one bridge part (14) is provided between the two guide strips, connecting the guide strips such that they are prevented from movement relative to each other.

Abstract: A system and method is provided for a low profile rotating control device (LP-RCD) and its housing mounted on or integral with an annular blowout preventer seal, casing, or other housing. The LP-RCD and LP-RCD housing can fit within a limited space available on drilling rigs. An embodiment allows a LP-RCD to be removably disposed with a LP-RCD housing by rotating a bearing assembly rotating plate. A sealing element may be removably disposed with the LP-RCD bearing assembly by rotating a seal retainer ring. Alternatively, a sealing element may be removably disposed with the LP-RCD bearing assembly with a seal support member threadedly attached with the LP-RCD bearing assembly. The seal support member may be locked in position with a seal locking ring removably attached with threads with the LP-RCD bearing assembly over the seal support member. Spaced apart accumulators may be disposed radially outward of the bearings in the bearing assembly to provide self lubrication to the bearings.

Abstract: Various embodiments of stand-off devices and methods are disclosed. The stand-off device can space a bearing assembly apart from a support, such as a frame of a conveyor belt, thereby providing access between the bearing assembly and the frame, such as for cleaning fluid. Certain embodiments of the stand-off device include a first end and a second end, with the first end being receivable in a securing hole of the bearing assembly and the second end configured to protrude from the bearing assembly.

Abstract: An unbalanced shaft for compensating for inertial forces and/or mass moments of inertia of an internal combustion engine (1), having an unbalanced portion (8), the center of mass of which extends eccentric to the axis of rotation (11) of the unbalanced shaft (6) for generating the shaft imbalance (7), a bearing portion (9) adjacent to the unbalanced portion, and a bearing race (10) joined thereto, the outer surface (13) of which serves as a race for the rolling elements of a roller bearing rotationally supporting the unbalanced shaft, and the inner surface (12) of which retracts radially relative to the outer circumscribed circle (14) of the unbalanced portion in a bearing circumference region running in the direction of the imbalance.

Abstract: A rotor system for a rotating machine, including a rotating shaft, an auxiliary bearing, and a primary bearing configured to provide a bearing and seal combination. The auxiliary bearing may include a support structure extending around a circumference of the rotating shaft, such that an annular gap is defined between the support structure and the rotating shaft when the primary bearing supports the rotating shaft. The auxiliary bearing may also include a first pedestal extending radially-inward from the support structure, and first and second beams extending from opposite sides of the first pedestal in a plane perpendicular to an axis of the shaft. The auxiliary bearing may further include a first roller operatively coupled to the first beam, and a second roller operatively coupled to the second beam, such that the first and second rollers are configured to engage the shaft.

Abstract: Bearings for downhole tools including a first bearing member and a second bearing member, at least one of the first and second bearing members having a channel formed therein. Methods of cooling bearings of downhole tools comprise flowing a fluid within a channel formed in at least one bearing member. Heat is transferred from at least the at least one bearing member to the fluid. The fluid is flowed away from the at least one bearing member.

Abstract: In summary, the invention relates to a method for forming an end-side toothing arrangement of a roiling bearing, in particular a wheel bearing. The aim is to improve the uniformity of the end-side toothing arrangement and to allow a greater tooth depth. This is achieved by two method steps in that, in a first step before the reshaping of an end piece of a hub, a die is axially arranged on the rolling bearing in a preassembled state and, in a second step during the reshaping of the end piece and the shaping of the end-side toothing arrangement, the die radially delimits a radial recess of the rolling rivet collar as it forms. In addition, the die reduces or prevents radial widening of the inner ring.

Abstract: The present invention relates to a spacer device for roller elements in a toroidal roller bearing, and a method for manufacturing a toroidal roller bearing comprising a plurality of spacer devices. The toroidal roller bearing allows for axial and angular displacement between an inner and outer bearing ring. The spacer device provides first and second roller-contacting surfaces having a concave shape adapted to conform with respective convex contacting surfaces of the toroidal roller elements, and at least one axial end portion which is elastically deformable.

Abstract: A roller assembly for a turret, a turret bearing system for a turret, and a method of manufacture of a roller assembly for a turret. The roller assembly comprises a first and a second roller; an axle on which the first and the second rollers are rotatably mounted; and a biasing mechanism located between the first and the second rollers and supporting the axle.

Abstract: A method for manufacturing a wheel bearing apparatus by measuring a distance Ho, Hi and Hh. A difference ?H=(Hi+Hh?Ho) is compared with a reference value of a model article. Rolling elements are selected with each having an optimum diameter to correct the difference ?H between the measured values and the reference values.

Abstract: A bearing system has first and second bearings each having an inner race. The inner races are mounted to a shaft. The first bearing inner race has a plurality of first ports. The second bearing inner race has a plurality of second ports. The shaft is insertable into the inner races in a plurality of orientations and has a plurality of outer diameter (OD) channels positioned to cooperate with at least the first bearing inner race to communicate with at least some of the first ports and at least some of the second ports. Regardless of said installed orientation, at least one of the second ports are in communication with at least one said inlet port along a flowpath bypassing all the first ports.

Abstract: A bearing device includes a first bearing element and at least one second bearing element that is movably supported relative to the first bearing element and at least one seal unit that includes at least one attachment element that plays a role in attaching at least one seal element of the seal unit to the first bearing element. The attachment element includes at least a part of an antilock braking system (ABS) ring. The ABS ring may include through openings and be usable with a sensor that senses a magnetic field generated by the ABS ring.

Abstract: A shell type outer ring 2 of a shell type needle roller bearing 1 is formed by a pressing combined with an ironing step, and the lubricating conditions in this ironing step on the outer-diameter ironed surface, which becomes the outer-diameter surface of the outer ring 2, are in a substantially fluid lubricating state so as to restrict the circumferential surface roughness of the inner-diameter surface, the inner-diameter roundness, and the amount of uneven thickness of the tubular portion to predetermined value ranges, thereby prolonging the life of the shell type needle roller bearing and lowering the acoustic level during use.

Abstract: This invention provided a manufacturing method to process a small-diameter step section 18 on an inside end section of a hub body 13a that comprises an outward facing flange 15 and a positioning cylinder 16 stably and with high precision. In this invention, an intermediate material 40 is pressed between a lower punch 36 and an upper punch 46 with an outer peripheral surface of the intermediate material 40 being held by a lower die 37 and an upper die 43, and then a part of the intermediate material 40 is pressed into the lower punch 36 such that the small-diameter step section 18 is formed by cold plastic working.

Abstract: A method of manufacturing a rolling bearing device which can improve operational efficiency and can enhance productivity thereof is provided. The method includes the steps of: applying an adhesive agent to fitting portions formed between inner rings of two rolling bearings which are arranged coaxially in a spaced-apart manner in an axial direction and a shaft which is fitted in the inner rings and fitting portions formed between outer rings of two rolling bearings and a sleeve which is fitted on the outer rings; bringing the inner rings and the shaft into fitting engagement and the outer rings and the sleeve into fitting engagement respectively; and welding, in a state where the inner rings to which the adhesive agent is applied in the adhesive agent applying step are brought close to each other due to pushing of the inner rings in the axial direction, the pushed inner rings to the shaft by laser welding using laser power which does not generate thermal deformation of the pushed inner rings.

Abstract: A bearing replacement method for a rotating machine of the present invention includes the steps of: when at least one bearing of a rotating machine is to be replaced with a new one, mounting at an end portion of the rotating machine a plurality of bendable arms for removing a first bearing covering part, a power supply unit outer frame, and a slipring, respectively; removing with the arms the first bearing covering part, the power supply unit outer frame, and the slipring, respectively; and thereafter replacing the at least one bearing with a new one.

Abstract: A bearing ring for a roller bearing includes a raceway for at least one roller that includes an at least partially spherically formed roller end surface having a first curvature. A flange for transferring axial forces extends from an end of the raceway and has a flange surface that faces towards the roller end surface. A spherical flange surface section having a second curvature is defined on the flange surface. The first curvature differs from the second curvature such that a first gap (d1) exists between the spherically formed roller end surface and the spherical flange surface section. The flange surface also includes an opening flange surface section having a third curvature, which is less than the second curvature, such that a second gap (d2) exists between the roller end side and the opening flange surface section. The second gap is larger than the first gap.

Abstract: A bearing constituent member includes a surface layer, at least one of particles composed of vanadium nitride having a particle diameter of 0.2 to 2 ?m and particles composed of vanadium carbonitride having a particle diameter of 0.2 to 2 ?m are present in the surface layer ranging from the surface to a depth of 10 ?m and at least one of the area ratio of the particles composed of vanadium nitride having a particle diameter of 0.2 to 2 ?m and the particles composed of vanadium carbonitride having a particle diameter of 0.2 to 2 ?m in the surface layer ranging from the surface to a depth of 10 ?m is 1 to 10%.

Abstract: The present invention relates to a spacer device for roller elements in a toroidal roller bearing, and a method for manufacturing a toroidal roller bearing comprising a plurality of spacer devices. The toroidal roller bearing allows for axial and angular displacement between an inner and outer bearing ring. The spacer device provides first and second roller-contacting surfaces having a concave shape adapted to conform with respective convex contacting surfaces of the toroidal roller elements, and at least one axial end portion which is elastically deformable.

Abstract: The present invention provides a rolling bearing device for vehicles capable of detecting a change in magnetism with high accuracy. A rolling bearing device H for vehicles in accordance with the present invention includes a rolling bearing 13 having an inner ring 11, which is a rotating ring, and an outer ring 12, which is a fixed ring, and rolling elements 3 and 4 interposed between both of the races 11 and 12; a magnetized element 14; a magnetic sensor 15; and a cover 16. The cover 16 is formed by demagnetizing a nonmagnetic material having being pressed.

Abstract: In a rolling bearing device for a road-wheel including an inner shaft 1 that is provided with, on its outer-side end 10, a flange 4 on which a road-wheel member mounted, and an outer ring 2 disposed around the inner shaft 1, the inner shaft has, on its outer side, a hair-line pattern portion 5 that is formed by turning and that permits the manufacturing attribute of the bearing device to be identified based on the difference in the form of hair lines so formed. This permits the manufacturing attribute of the bearing device to be identified after the bearing device is assembled in a vehicle body. Furthermore, the representation of the manufacturing attribute can be readily implemented during a manufacturing step.

Abstract: A process of producing an inner joint part for a constant velocity plunging joint is disclosed. The process includes providing a preformed blank, hardening the preformed blank, hard-machining first track portions, while second track portions remain unmachined. The preformed blank includes a longitudinal axis, an outer face with circumferentially distributed tracks, a central through-aperture, a first end face and a second end face opposed thereto. The tracks each comprise a first track portion having, in a cross-sectional view, a smaller track radius and a second track portion having, in a cross-sectional view, a greater cross-section.

Abstract: The invention relates to a method for the production of an anti-friction bearing element (1) comprising a carrier metal which forms a back bearing side and a bearing metal, wherein the carrier metal is made from a bronze-based alloy. The bearing metal is also made from a bronze-based alloy, wherein the hardness of said bronze-based alloy is reduced at least in some areas by heat treatment, so that in the radial direction of the anti-friction bearing a hardness gradient is formed with increasing hardness in the direction of the back side (7) of the anti-friction bearing element (1).

Abstract: A bearing unit for driving wheels, and a manufacturing method thereof, includes a hub, a bearing, and a constant velocity universal joint, such that a process for assembling the bearing unit to a knuckle member is simplified. In order to achieve this, a hub (10) and an outer joint member (31) of an out-board side constant velocity universal joint (30) are plastically joined together. An outer peripheral surface (26a) of an outer member (26) is press-fitted into an inner peripheral surface of the knuckle member, and a maximum diameter dimension (D1) of the out-board side constant velocity universal joint (30) is set smaller than a minimum diameter dimension (Dn) of the knuckle member (6). Also, a maximum diameter dimension (D2) of an in-board side constant velocity universal joint (40) is set smaller than the minimum diameter dimension (Dn) of the knuckle member (6).

Abstract: The present invention provides a manufacturing method of a bearing ring member such as an outer ring comprising an installation portion on the outer peripheral surface and a double row of outer-ring raceways on the inner peripheral surface, in which a raw material is processed to obtain a final stage intermediate member through a first upsetting process, a forward-backward extrusion process, a second upsetting process, a burr removing process, and a punching process, wherein a movable die which leaves a stationary die in the final step is used in the second upsetting process, and the excess metal material is moved toward outside in the radial direction to a portion which become the installation section and a burr formation section, exposing a high pure metal material at least in a portion where the load of rolling bodies acts so as to ensure the rolling fatigue life of the both of outer-ring raceways.

Abstract: In a double row rolling bearing for supporting a pinion shaft, an outer ring is fixed to an inner peripheral surface of an annular wall (case) with its axis disposed horizontally, and an inner ring assembly is fitted on a pinion shaft, and is inserted, together with the pinion shaft, horizontally into the outer ring through a larger-diameter opening of the outer ring, and is mounted in the outer ring. A larger-diameter cage has a drop limitation portion for limiting the vertically-downward movement of the larger-diameter case.

Abstract: A bearing assembly includes an inner race having a first inner race half and a second inner race half, and an outer race having a first outer race half and a second outer race. The first inner race half and the second inner race half cooperate to define an inner annular groove, and the first outer race half and the second outer race half cooperate to define an outer annular groove. A plurality of rollers is disposed within the inner annular groove and the outer annular groove in rolling engagement with the inner race and the outer race. An inner coupling mechanism couples the first inner race and the second inner race together, and an outer coupling mechanism couples the first outer race and the second outer race together.

Abstract: Construction of a rolling bearing unit with a combined seal ring that enables press fitting of a cylindrical section 15 of a slinger 13 to be pressure fitted on to a slinger fitting surface 20 of an inner ring 19a without losing the seal between the slinger fitting surface 20 and the cylindrical section 15 is achieved. Of the surface of the inner ring 19a, the continuous section that comprises a portion corresponding to the slinger fitting surface portion 20, a portion corresponding to the chamfered section 25a and a joining section 27a between these portions are simultaneously ground with a formed grindstone. As a result, the continuous section is entirely formed into a flat surface with no non-differential corners in the cross section, or in other words, with no sharp corners.

Abstract: A method for assembling a roller bearing having rollers and spacers interposed between the adjacent rollers includes alternately disposing, along the inner circumference of an outer ring, the rollers and the spacers. Two spacers are then placed along inner portions of rolling contact surfaces of the rollers having been disposed. The last roller is then inserted toward the outer ring so that the spacers placed on both sides are allowed to slide, whereby the last roller is mounted on the inner circumference of the outer ring.

Abstract: The present invention provides for a grease baffle that may be installed and removed independently of an outer race of a bearing assembly, thus reducing or eliminating damage to the grease baffle during maintenance actions. Further, the present invention eliminates the potential for damage to the bearing support body for maintenance actions requiring removal of the grease baffle but not removal of the outer race. Moreover, the present invention results in reduced maintenance time and reduced maintenance costs. The grease baffle may be retained in the support body by a retaining ring or a resilient sealing member, and may be preloaded against a retaining surface.

Abstract: A method for manufacturing a bearing housing comprising: selecting a configuration for housing and manufacturing the housing the configuration. The selected housing configuration comprises a bearing section and a base having a cylindrical shape. The bearing section and base are substantially aligned centrally along an axis. A plurality of members extends between the bearing section and the base. The plurality of members has a length and a width, and, in the configuration, each of the plurality of members has a side that is substantially non-perpendicular with respect to the bearing section and the base. At least one of the plurality of members extends at an angle from the bearing section to the base; the plurality of members having a curve relative to the axis; and the width of the plurality of members decreasing or increasing along the length of the plurality of members.

Abstract: A wheel bearing for a utility vehicle, having a sheath-shaped support shaft in which an axle of the utility vehicle can be concentrically accepted, a wheel hub, and a first roller bearing as well as a second roller bearing for the wheel hub to roll over the support shaft, with the second roller bearing being axially pre-stressed on the sheath-shaped support shaft via a stop, cold-formed from the support shaft, against the first roller bearing.

Abstract: A bearing includes a first inner race half and a second inner race half, and a first outer race half and a second outer race half. A cage defining a plurality of openings supports a plurality of rollers. The bearing is assembled by positioning the first inner race half on a mandrel and the first outer race half on a work support, positioning the cage with the rollers supported in the openings adjacent to and concentric with the first inner race half and the first outer race half. The second inner race half and the second outer race half are positioned adjacent the first inner race half and the first outer race half respectively. The first inner race half and the second inner race half, and the first outer race half and the second outer race half are then bonded together to form the bearing assembly.

Abstract: A wheel support bearing assembly, which enables an increase in the strength and the fatigue strength of its wheel mounting flange or vehicle body fitting flange against high stress and repeated stress and the suppression of the increase of the number of processes, includes an inner member and an outer member rotatable relative to each other through rolling elements. The flange is formed on the inner member or the outer member. A component part having the flange is a hot-forged product of steel in which a matrix portion is formed as a standard structure and the non-standard structural portion is formed on the surface of the flange. The non-standard structure is formed of either of a fine ferrite/pearlite structure, an upper bainite structure, a lower bainite structure, and a tempered martensite structure, or mixture of two or more of these structures.

Abstract: A method for adjusting an axial biasing force of a shaft in a transmission is described that involves manufacturing a variety of shims of different lengths by bending wires into rings that are not closed along their circumference. Shims are selected from the variety of shims of different lengths dependent and inserted between the first tapered roller bearing and a housing wall of the transmission for adjusting a manufacturing biasing force. By heating the assembled transmission to an operating temperature, the biasing force is decreased below the manufacturing biasing force or becomes zero. This accomplishes a minimal friction and therefore a smooth synchronization while still avoiding play during operation.

Abstract: A process for manufacturing a rolling contact member comprises preparing a steel member consisting of a steel containing 0.7 mass % or more of carbon; performing hot forging of the steel member prepared in the steel member preparation step to thereby obtain a blank ring as the first forged member; performing turning of the blank ring obtained in the hot forging step to thereby remove part of the blank ring; and performing cold forging of the blank ring wrought in the first turning step to thereby obtain a stepped ring. In the steps subsequent to the cold forging step, on the stepped ring, the area wrought in the first turning step is not subjected to cutting.

Abstract: A control valve, which has a substantially cylindrical valve box and a substantially cylindrical control piston. The control valve can be arranged in a cylindrical receptacle and the control piston is arranged so as to be axially displaceable inside the valve box.

Abstract: The invention relates to a wheel bearing unit (1) for a vehicle wheel, comprising a hub element (2, 3, 2?) which has an axially (a) extending cylindrical section (4) to be supported by a bearing arrangement (5) and which has a radially (r) extending flange section (6) for fixing the vehicle wheel and/or a brake disk at a face side (7) of the flange section (6), wherein the bearing arrangement (5) has an outer ring (8). To ensure a firm and cost effective axial connection between the hub element and the outer ring, the invention is characterized in that the outer ring (8) has a radially extending insection (9) at its outer circumference (10), wherein the axially (a) extending cylindrical section (4) of the hub element (2, 3, 2?) is deformed partially (11) so that a section of it interferes in the insection (9) for axially fixing the hub element (2, 3, 2?) relatively to the outer ring (8). The invention also relates to a method for producing a wheel bearing unit.