Abstract: At the time of assembling an electric motor, plain bearings are installed over a worm shaft to form a shaft assembly. Then, the worm shaft together with the plain bearings is inserted into a gear housing in an inserting direction, which is generally parallel to an axial direction of the worm shaft, such that each of the plain bearings is press fitted into a corresponding installation part of the housing.

Abstract: A compressor bearing cooling inlet plate has a mount plate, and a boss extending forwardly from the mount plate. The boss includes a plurality of grooves extending axially into the boss to define flow passages for cooling air from an outer peripheral surface of the cooling inlet plate to an inner bore. The grooves extend for a width between side walls, at angles that are not directly radially inwardly toward a center axis of the cooling plate. There is a plurality of widths across the plurality of grooves. A compressor bearing assembly, a motor driven compressor for use in a nitrogen generation system, and a method of installing a compressor bearing cooling inlet plate are all also disclosed and claimed.

Abstract: A ball joint 10 includes a first member 12 having a ball section 14 and a second member 15 having a socket 16. Ball section 14 is accommodated and supported inside socket 16. A pair of dies 20, 30 sandwich a wall 18 surrounding an opening 17 of the socket 16, and are configured to approach each other gradually, utilizing small repetitive vibrations that include an approaching and separating action, thereby intermittently pressing the wall in an inward radial direction. During each interval of the intermittent pressing action, a supporting and rotating device 40 rotates socket 16 (second member 15) in small increments about a central axis C2 of socket 16. Consequently, dies 20 and 30 successively press against a multitude of points on the circumference of the outer surface of wall 18 of the socket, thereby bending wall 18 inward so as to reduce the diameter thereof.

Abstract: A method and an assembly device for producing a rotary joint between a drive element and a flange are defined. The drive element and the flange are screwed together by a nut and a bolt of the drive element. The bolt is drawn axially in to a bore in the flange by the rotation of the nut and until the drive element attains a final position in relation to the flange.

Abstract: An example journal air bearing for a rotatable shaft of an air cycle machine includes a top foil configured to receive a rotatable shaft, and an intermediate foil radially outboard the top foil. A journal sleeve is radially outboard the intermediate foil. The top foil and the intermediate foil establish apertures configured to communicate fluid between a first position radially inboard the top foil and a second position radially outboard the intermediate foil.

Abstract: A method of avoiding hammer rod-hole deformation in a hammer mill. Conventional hammers are fitted with a bearing structure that reduces wear while permitting the hammer to pivot about multiple axes. An optional, integral spacer provides spacing between adjacent hammers.

Abstract: The present invention relates to device and method for manufacturing a wheel bearing assembly that reduces an error rate by reducing stress concentrated on rolling elements in manufacturing processes of the wheel bearing assembly. The device for manufacturing a wheel bearing assembly may include: a base, on which a hub is mounted, supporting the hub in a case of orbital-forming; a forming tool mounting portion mounted above the base; a rotating portion rotatably connected to an outer ring and rotating or pivoting the outer ring about a hub axis in a case of the orbital-forming; and a forming tool mounted at the forming tool mounting portion, rotating on a first axis slanted to the hub axis by a predetermined angle, and simultaneously orbiting about a second axis parallel with the hub axis.

Abstract: A clamping assembly (2) adapted to clamp a component (4), the assembly comprising: first and second clamping members (10, 20), the first and second clamping members being movable with respect to one another in a first direction to selectively clamp the component therebetween; and a bearing element (30) positionable between the component and one of the first and second clamping members, the bearing element being configured to permit relative movement between the component and one of the first and second clamping members in a second direction.

Abstract: There is provided an assembling method of a bearing unit which has a bearing having an outer ring and a retainer plate having a retainer hole for holding the outer ring. The assembling method has pressing a plurality of portions in a circumferential direction of a circumferential edge of an inner circumferential portion of the retainer hole of the retainer plate in an axial direction so as to form engagement pawls and moving the engagement pawls of the retainer plate from one axial end of the outer ring to a engagement groove formed on an outer circumferential surface of the outer ring so as to engage the engagement pawls of the retainer plate with the engagement groove of outer ring.

Abstract: In spindle motors journaled on fluid-dynamic-pressure bearings, especially in such spindle motors employed in recording-disk drives in implementations that subject the drives to vibration and shock, sealing performance of a capillary seal formed between motor rotor-side and stator-side bearing surfaces, cohesiveness of oil-repellant on rotor-side/stator-side dry-area surfaces adjoining the capillary seal section, and motor inter-component adhesive strength are improved. The capillary-seal-constituting rotor-side/stator-side surface(s) are exposed to a plasma or to ultraviolet rays under predetermined conditions to improve the wettability of the surface(s) for the bearing fluid. The dry-area surface(s) are similarly irradiated so as to improve their wettability for the oil-repellant. Adhesively bonded component surfaces are likewise irradiated so as to improve their wettability for the adhesive, enhancing adhesive strength.

Abstract: A method of extending the life of a journal bearing assembly in a solid fuel pulverizer includes: removing a first lower journal bearing from a journal shaft and a lower bearing seat of a lower bearing housing; removing a first upper journal bearing from the shaft and an upper bearing seat of an upper bearing housing; modifying the lower and upper bearing seats; modifying lower and upper shoulders on the journal shaft; disposing the second lower and upper journal bearings on the modified lower and upper bearing seats; disposing a new journal bearing spacer between the second lower and upper journal bearings; disposing a new journal bearing collar between the upper shoulder and the second upper journal bearing; filling a cavity defined by the lower and upper journal housings with grease; and disposing a seal assembly between the shaft and one end of the upper journal housing opposite the lower journal housing to prevent the ingress of solid fuel into the cavity of the journal assembly.

Abstract: The invention relates to a method and a device for producing a split bearing arrangement, in which a top bearing part (6) is separated in several machining stations from a basic bearing part (5) that is monolithically joined thereto via a severing breaking process on a predefined plane of breakage (10) by applying a certain force, whereupon the two parts are joined back together by means of a screw connection comprising at least two screws. The basic bearing part (5) and the top bearing part (6) are fixed on an adapter device (1) that is conveyed from one machining station to another while the top bearing part is retained at least during some processes in the machining stations via a retractable auxiliary support (13) which is disposed on the adapter device and catches the top bearing part outside the area of the screw connection.

Abstract: A rolling bearing assembling method includes: providing a subassembly member in which a cage and an outer ring raceway of an outer ring are combined with each other; disposing a rotary member that includes groove portions formed on an outer circumference thereof, concentrically with the outer ring so that the plurality of groove portions confront respectively pockets of the cage; disposing a guide member including a guide hole, above the rotary member; supplying tapered rollers from the guide hole between the pockets and the groove portions, respectively; rotating the rotary member by a predetermined angle so that the tapered rollers are pushed radially outward by raised portions between the adjacent groove portions thereby accommodating the tapered rollers into the pockets, respectively; providing the seal ring on the inner ring raceway; and assembling the hub main body together with the outer ring.

Abstract: A thrust bearing assembly includes an upper thrust bearing and a lower thrust bearing for an engine assembly of a vehicle and which, are preferably, identically configured. The thrust bearings each include an arcuate bearing shell with a concave inner surface and a convex outer surface, and each includes a pair of axially spaced flanges extending radially outwardly of the bearing shells. The flanges may be formed as one piece with the bearing shell, and one flange is thicker than the other flange. The thicker flanges are load bearing and preferably contoured, whereas the thinner flanges are not. The bearings are installed with the thick flange of each bearing matched radially opposite the thin flange of the companion bearing to minimize fatigue and failure normally attributed to repeated seating and unseating of bearing assemblies having flanges of equal thickness caused by changing bending loads imparted by a shaft.

Abstract: There is provided a bearing holder comprising a first side, orthogonal to a head tube axis when the bearing holder is used in conjunction with a head tube of a bicycle, adapted to receive a bearing, and a second side, opposed to the first side, adapted to be removeably secured to a head tube of a bicycle, the bearing holder being adapted to axially position the bearing about the head tube. The bearing holder is mounted to the top end of the head tube of the bicycle and the fork tube is engaged to the bearing provided atop the bearing holder. The height of the bearing holder (or a spacer if the bearing holder sits onto such a spacer) determines the elevation of the handlebar connector and thus of the handlebars with respect to the head tube thereby permitting the adjustment of the elevation thereof.

Abstract: The device comprises at least one pressing member and an attachment member for attaching it to a wind turbine part, for example, a blade root, which may have a relative movement with regard to a first part, for example, a bearing in a pitch blade mechanism, the first part having a seat into which the joint is to be fitted. Upon relative rotation between the first parts, the pressing member presses the seal into the seat. A method for fitting the seal into the seat is also provided. Operations of maintenance or partial or complete replacement of the seal can be carried out in situ on the wind turbine and also on pitch bearing manufacturing easily and effectively.

Abstract: A bearing housing includes a bearing housing body, and a shaft support part formed at the center of the bearing housing body, wherein the shaft support part includes at least one rib groove to fix a bearing bush located on the inner circumferential surface of a front end of the shaft support part. The manufacturing method of the bearing housing uses a first mold and a second mold to form an external appearance of the bearing housing and a central core to form a shaft support part of the bearing housing, and includes inserting a bearing bush onto the outer circumferential surface of the central core, and fixing the bearing bush inserted onto the outer circumferential surface of the central core by at least one bush fixing rib formed on one of the first mold and the second mold.

Abstract: An assembly of a pair of roller bearings in which the inner bearing rings are axially spaced apart by a first member and the outer bearing rings are spaced apart by a second member with one of the inner or outer ring of each bearing being an axially outer bearing ring spaced axially further from the outer bearing than the other ring of that bearing. The method comprises forming an assembly of the two members and bearings in which one of the axially outer bearing ring is a loose fit on one of the first and second members, and then axially moving the axially outer bearing ring of the one bearing which is loose fit in a direction towards the other bearing to create a pre-load, and then increasing the degree of pre-load to effect elastic deformation of that ring and thereby create a shrink fit type interface load.

Abstract: A method and apparatus for assembling bearings and a stub into a bore of a hub. The apparatus includes a block defining a receiving position for the hub. A feed mechanism arranges plurality of bearings in the form of an annular array. A first mandrel is axially displaceable toward one side of the hub to push the annular array of bearings into the bore of the hub. A second mandrel is axially displaceable toward an opposite side of the hub to push a stub within the annular array of bearings in the bore of the hub. The stub includes at least one outwardly biased detent for retaining the bearings in the hub.

Abstract: A mounting system is disclosed for mounting a bearing assembly or other mechanical element to a shaft. The mounting system uses a tapered sleeve mechanism to secure the bearing assembly on the shaft. Specifically, a plurality of screws point load the tapered sleeve and drive it from a pre-assembled position to an initial position. Once the initial position has been reached a plurality of fasteners then drive the sleeve from the initial position to a final position. The difference between the initial position and final position determined by the width of a removable spacer used in the mounting system. The system also incorporates a jack screw mechanism used to dismount the bearing assembly from the shaft.

Abstract: A working fluid injection apparatus for injecting a working fluid into a gap between a housing and a shaft of a bearing unit of a fluid dynamic pressure bearing. The apparatus has an adapter configured to support the bearing unit in a state in which an end portion of the shaft protrudes from an open portion of the housing. A cover member has an upper opening, a lower opening, and a tapered inner surface with a radial dimension that increases gradually from the lower opening to the upper opening. The cover member is configured to be mounted in contact with an upper surface of the housing when the bearing unit is supported by the adapter so that the lower opening of the cover member surrounds the open portion of the housing and so that the protruding end portion of the shaft and the tapered inner surface of the cover member form a reservoir portion that communicates with the open portion of the housing and that is configured to store a working fluid.

Abstract: A seal installation tool assembly and method of using same to install a front seal within a front cover member of an engine. The seal installation tool assembly includes a seal installation sleeve, a threaded fastener, and a washer member. The seal installation sleeve is adapted to receive a front seal and pilots on a drive portion of a crankshaft within the engine. The threaded fastener operates to draw the front seal within the front cover member. Upon contact between the front cover member and the seal installation sleeve, the front seal is properly installed.

Abstract: A method of manufacturing a double row rolling bearing device includes: providing a collet chuck having radially expandable separated parts and a tapered cone for radially expanding the separated parts; inserting the radially contracted collet chuck into a through hole before the double row rolling bearing is caulked to the hub shaft; caulking the cylindrical end of the hub shaft, with the separated parts being in contact with the end by radially expanding the collet chuck to prevent radially inward plastic deformation of the end; and contracting the collet chuck and extracting the collet chuck out of the hub shaft after the caulking.

Abstract: A method for manufacturing a hydrodynamic bearing (30) includes the following steps. First, a substrate having a surface with multiple protrusions thereon is formed. The protrusions are adapted for forming grooves in a preform. The preform, when finally processed, becomes a shaft of the hydrodynamic bearing or a bearing of the hydrodynamic bearing. Second, a feedstock of binder and powder is pushed to the surface of the substrate to form the perform on the surface of the substrate. Third, the substrate is removed from the preform. Fourth, the preform is sintered. Fifth, the preform is precision machined to obtain the shaft or the bearing, as the case may be. In the shaft or bearing, the grooves are for generating hydrodynamic pressure.

Abstract: In the manufacture of a sleeve unit (22), when a sleeve (221) is to be glued to a sleeve housing (222), an endfaces (225) of the sleeve (221) while abutting on a sleeve retainer (51) is spring-biased along the center axis J1 in the direction toward the sleeve retainer (51). Meanwhile, an endface (226) on a side of the sleeve housing (222) opposite from the endface (225) of the sleeve (221) while abutting on a sleeve-housing retainer (52) is spring-biased along the center axis J1 in the direction toward the sleeve-housing retainer (52).

Abstract: A mounting system is disclosed for mounting a bearing assembly or other mechanical element to a shaft. The mounting system uses a tapered sleeve mechanism to secure the bearing assembly on the shaft. Specifically, a pressure loaded piston drives the sleeve from a pre-assembled position to an initial position. The initial position is determined by monitoring the pressure applied to the piston. Once the initial position has been reached, a linear indicator is used to measure the axial sleeve movement from the initial position to a final position. The system remains in place after the bearing is installed on the shaft and facilitates removal of the bearing assembly from the shaft.

Abstract: The present invention provides a device and a method to enhance thrust load capacity in a rotor-bearing system. The load-enhancing device comprises a stator and a rotor arranged in such as way as to achieve a magnetic thrust load capacity enhancement by employing at least one permanent magnet, which produces an attracting force or an expulsing force between the rotor and the stator.

Abstract: The ball nut of a ball screw at the inner circumference of which a ball groove is provided, wound helically about the longitudinal axis for rolling balls, and at its outer circumference a roller bearing is arranged for rotatably supporting the ball nut, wherein the roller bearing has an inner ring which is supported by means of a support ring arranged on the ball nut in the axial support direction, wherein the support ring is arranged as a result of material deformation in the axial support direction with positive engagement on the ball nut.

Abstract: A moving tracks dozer equalizer link elastomeric bearing assembly including a concentric outer member operable for securely engaging a equalizer link bore structure associated with a first end portion of an equalizer link structural member, wherein the concentric outer member is disposed substantially within the equalizer link bore structure. The dozer equalizer link elastomeric bearing assembly also including a concentric inner member operable for securely engaging a pin structure associated with a second moving track roller frame assembly structural member, wherein the concentric inner member is disposed substantially within the concentric outer member.

Abstract: A typical dynamic bearing design comprises a ring shaped or circular thrust plate mounted at or near the end of a shaft, the shaft defining together with a surrounding sleeve a journal bearing by providing grooves on only one of the two surfaces facing the gap between the shaft and sleeve. On the ring shaped thrust plate supported by the shaft, the traditional upward thrust bearing defined between the lower face of the thrust plate and the facing surface of the sleeve is maintained; but no grooves are on the surface of the thrust plate distant from the shaft and a facing counterplate surface. Further, the journal bearing is defined to have an asymmetry so that a bias force pressure along the surface of the shaft toward the thrust plate is established.

Abstract: A method of controlling the instability in fluid film bearings by using a magnetic bearing in combination with a fluid film bearing (whether it is a cylindrical journal bearing, an elliptic bearing, an offset-half bearing, a multi-lobe bearing, foil bearing or a tilting-pad bearing, does not really matter), wherein the fluid film bearing serves as the primary load carrying bearing and the magnetic bearing controls the instability of the fluid film bearing. This efficient combination results in bearings that can be used at high speeds without having neither stability nor reliability problems. An alternative method of controlling the instability in fluid film bearings is to disturb the flow in the axial direction, for example, a sleeve journal) bearing can be manufactured such that the bearing axis is skewed with the shaft axis or a variable geometry bearing can be manufactured to allow for bearing angular misalignment.

Abstract: A method for delashing a shaft assembly and an assembly embodying the method are disclosed. The assembly includes a housing having a bore extending therethrough, and a shaft mounted within the bore. A shoulder extends into the bore to define a constriction along the bore. A bushing is positioned on an end of the shaft such that at least a portion of the bushing is spaced apart from the shoulder to define a cavity therebetween when the shaft is in the bore. A filler material is disposed in the cavity between the bushing and the shoulder for maintaining an axial compressive load on the shaft. In another aspect, a plug formed from a fusible material is provided. The plug includes a base portion and a plurality of channels disposed along an exterior of the base portion for enabling a flow of melted plug material along the channels.

Abstract: A tool removes from, or inserts into, an arm of a wheel mounting for an automotive vehicle a bushing. The tool includes a press member configured to grip the arm while overlying the location in the arm for the bushing. A screw element passes through a portion of the press member and engages a pressing cup with an outer rim that abuts an end of the bushing as the screw is manually rotated. The press member, screw element, and pressing cup upon being aligned and assembled with the press member gripping the arm and the rim of the pressing cup bearing against the end of the bushing, the screw element is rotated to apply a force to the end of the bushing as the screw element advances in the direction of the arm.

Abstract: In a method of manufacturing a dynamic bearing assembly having a shaft and a sleeve whose inner circumferential surface faces an outer circumferential surface of the shaft, the shaft is inserted into a bearing hole from an upper end opening toward a bottom end opening of the bearing hole. Upon inserting the shaft into the bearing hole, fluid is fed from the bottom end opening toward the upper end opening of the bearing hole with a fluid feed apparatus.

Abstract: A bearing arrangement for an adjusting device in a motor vehicle comprises a bearing point in the form of a bearing opening of a base part and a bearing element extending through said bearing opening. The base part arranged on the edge of the bearing opening comprises at least one deformation area which protrudes in a radial manner from the edge to the inside and which acts as radial supports for the bearing element.

Abstract: A mounting system is disclosed for mounting a bearing assembly or other mechanical element to a shaft. The mounting system uses a tapered sleeve mechanism to secure the bearing assembly on the shaft. Specifically, a plurality of screws point load the tapered sleeve and drive it from a pre-assembled position to an initial position. Once the initial position has been reached a plurality of fasteners then drive the sleeve from the initial position to a final position. The difference between the initial position and final position determined by the width of a removable spacer used in the mounting system. The system also incorporates a jack screw mechanism used to dismount the bearing assembly from the shaft.

Abstract: In an assembling method for roller bearing assembly according to the invention, a cage 25 featuring high general-purpose versatility is used whereas a retainer ring 40 for preventing the drop-off of first-row tapered rollers 18a is fitted in a sub-assemble member 20 at place diametrically inwardly with respect to the first-row tapered rollers 18a. Subsequently, a hub body 16 is combined with an outer ring 13 having the first seal ring 15 and the sub-assemble member 20 mounted thereto, as pushing out the retainer ring 40 by means of a step portion defined between a smaller-diameter cylindrical surface portion 30 and a first inner raceway 28 of the hub body 16.

Abstract: Easy and precise setting of a predetermined thrust bearing gap is made possible. An axial gap 13 having a dimension that is equal to the sum of two thrust bearing gaps is first provided between the flange part 2b of the shaft member 2 and the bearing member or bearing sleeve 8. The shaft member 2 and the bearing sleeve 8 are accommodated inside the housing 7 with this gap dimension 8 being kept, and the bearing sleeve 8 is secured to the housing 7.

Abstract: A full complement taper roller bearing consists of an inner ring or cone having an inner track on its radially outer conical surface, and an outer ring or cup having an outer track on its radially inward conical surface and one or more rows of taper rollers having a contact angle of less than 30 degrees freely disposed between the inner and outer rings and guided between said tracks. Each row of rollers is axially located within a recess on the inner track defined by a shoulder abutment disposed at least at the edge of the inner track having the greatest diameter and each of the rollers is in contact with the inner track over the entire length of the taper roller in the axial direction of the bearing. A method of assembly is also enclosed.

Abstract: To avoid a difficulty of inserting a spline shaft into a spline hole, respective holding members 29 constituting a holding device 28 for holding a hub 3 are displaced in a radial inward direction of a small diameter stepped portion 15. The inner peripheral surface of the inside end of an original hole 25 is elastically deformed radially inward the same as or slightly greater than the elastic deformation caused by externally securing tightly an inner ring to the small diameter stepped portion 15. In this condition, a female spline portion for constituting a spline hole is formed in the original hole 25.

Abstract: The aim of the invention is to obtain a cost-effective solution for providing a microsystem with bearings, which have sufficiently high precision and long-term stress resistance. The invention proposes a method for manufacturing, adapting or adjusting a bearing portion in a fluidal microcomponent (M) comprising a stator (30) and a rotor (40,2). Said rotor is rotatably supported on the at least one bearing portion (L10,L11) relative to said stator. Said rotor (40,2) is rotatably supported by a sleeve (10, 11) inserted into said stator (30), for forming said bearing portion, the at least one sleeve being inserted in said stator as a bearing sleeve and comprising an inner surface and an outer surface (10i, 10a; 11i, 11a). Before being inserted in said stator, said bearing sleeve (10, 11) is a separate bearing component comprising an inner surface (10i, 11i) as an inner bearing surface, which is mechanically micro-finished before being inserted into said stator (30).

Abstract: A method of extending the life of a journal bearing assembly in a solid fuel pulverizer includes: removing a first lower journal bearing from a journal shaft and a lower bearing seat of a lower bearing housing; removing a first upper journal bearing from the shaft and an upper bearing seat of an upper bearing housing; modifying the lower and upper bearing seats; modifying lower and upper shoulders on the journal shaft; disposing the second lower and upper journal bearings on the modified lower and upper bearing seats; disposing a new journal bearing spacer between the second lower and upper journal bearings; disposing a new journal bearing collar between the upper shoulder and the second upper journal bearing; filling a cavity defined by the lower and upper journal housings with grease; and disposing a seal assembly between the shaft and one end of the upper journal housing opposite the lower journal housing to prevent the ingress of solid fuel into the cavity of the journal assembly.

Abstract: A method of assembling a rotor shaft assembly is provided. The method includes assembling a self-aligning bearing seat from a first assembly and a second assembly such that the self-aligning bearing seat substantially circumscribes a rotor shaft. The method also includes creating an interface defined between the first assembly and the second assembly, such that when the rotor shaft experiences misalignment the interface accommodates misalignment of the rotor shaft.

Abstract: A method and apparatus for assembling bearings and a stub into a bore of a hub. The apparatus includes a block defining a receiving position for the hub. A feed mechanism arranges plurality of bearings in the form of an annular array. A first mandrel is axially displaceable toward one side of the hub to push the annular array of bearings into the bore of the hub. A second mandrel is axially displaceable toward an opposite side of the hub to push a stub within the annular array of bearings in the bore of the hub. The stub includes at least one outwardly biased detent for retaining the bearings in the hub.

Abstract: A method for structuring a gear assembly housing may include: identifying the lowest surface structure of ring gear teeth top lands; forming a lower gear housing portion having a wall positioned below a gear assembly centerline; shaping the wall relative to an axis of an axle to form: a convex curved wall segment adjacent the lowest surface structure joined to a first concave curved wall segment that is joined to a generally linear wall segment; a first transition wall segment that is joined to the generally linear wall segment; a ring gear wall segment of generally linear form joined to the convex curved wall segment; the ring gear wall segment joined to a second concave curved wall segment that transitions to a second transition wall segment; and attaching an upper housing portion.

Abstract: Disclosed is a system for forming a blade-section including a transporting frame, at least one transporting support removeably associated with the transporting frame, and a blade-section forming structure receptive of the transporting frame and the at least one transporting support.

Abstract: Device for rotatably bearing an aircraft interior fitting component A device (10) for rotatably bearing an aircraft interior fitting component, in particular a lowerable shell of a luggage rack, comprises a bearing bush (12) as well as a bearing bolt (32) which is adapted to be rotatably accommodated in the bearing bush to (12). The bearing bolt (32) is disposed in a bearing bolt guide (22) such that it is movable between a first and a second position and retainable in at least one position in the bearing bolt guide (22) by means of a retaining device.

Abstract: In spindle motors journaled on fluid-dynamic-pressure bearings, especially in such spindle motors employed in recording-disk drives in implementations that subject the drives to vibration and shock, sealing performance of a capillary seal formed between motor rotor-side and stator-side bearing surfaces, cohesiveness of oil-repellant on rotor-side/stator-side dry-area surfaces adjoining the capillary seal section, and motor inter-component adhesive strength are improved. The capillary-seal-constituting rotor-side/stator-side surface(s) are exposed to a plasma or to ultraviolet rays under predetermined conditions to improve the wettability of the surface(s) for the bearing fluid. The dry-area surface(s) are similarly irradiated so as to improve their wettability for the oil-repellant. Adhesively bonded component surfaces are likewise irradiated so as to improve their wettability for the adhesive, enhancing adhesive strength.

Abstract: The invention relates to an assembly on a motor vehicle for connecting an outer bearing ring of a rolling bearing and a wheel support which is formed by two cup-shaped molded sheet metal parts that can be fixedly connected so as to form a hollow profiled element. Each of the molded sheet metal parts is provided with a circular hole that is coaxial with the axis of rotation of the rolling bearing, said holes being spaced apart from one another. The space between the holes is occupied by a spacing ring which is axially supported on the inner edges of the molded sheet metal parts, said edges defining the two circular holes, in such a way that a tubular bearing receptacle for the outer bearing ring of the rolling bearing is formed and the molded sheet metal parts are fixedly connected to the spacing ring and the outer bearing ring of the rolling bearing in a positive and frictionally engaged manner.

Abstract: A knuckle hub assembly (10) and a method for manufacturing same whereby brake run out is produced includes a knuckle (12), a bearing (28) press fit into the knuckle (12), and a wheel hub (14) coupled to the bearing (28) and rotateable with respect to the knuckle (12). The wheel hub (14) has a flange surface (34) having a relief channel (60) formed therein. A plurality of wheel studs (44) are press fit into bolt opening (42) formed in the relief channel (60). This arrangement provides a flat flange surface (34) for mating with a rotor (42) to minimize brake run out. The knuckle hub assembly (10) is mounted into a floating tool for finish turning of the flange surface (34) to provide minimal run out and maximum flatness.