Abstract: The disclosure discloses a pump body and a compressor with the pump body. The pump body includes: a flange structure; a bearing, the bearing being provided with an inner ring and an outer ring, the inner ring being rotatably disposed on the flange structure, and an end face of the inner ring being abutted against a contact face of the flange structure; and an oil guide channel provided inside a side wall of the inner ring, or inside the flange structure, or the side wall of the inner ring and inside the flange structure, an outlet of the oil guide channel being positioned between the end face of the inner ring and the contact face of the flange structure, so as to introduce lubricating oil between the end face of the inner ring and the contact face of the flange structure.

Abstract: An electric clutch actuator having an electric motor, a spindle and a gear mechanism which is arranged between the electric motor and the spindle, wherein the gear mechanism is mounted on a base plate which is received in the housing.

Abstract: A bearing alignment assembly comprises an outer ring. An inner ring assembly is disposed radially inwardly of the outer ring and cooperating therewith to form a roller volume. The inner ring assembly has a forward inner ring and an adjacent aft inner ring cooperating to provide an inner surface of the inner ring assembly. The forward inner ring includes axial grooves extending axially along and circumferentially spaced around a forward portion of the inner circumferential surface of the inner ring assembly.

Abstract: A wheel bearing device includes a hub wheel and a wheel bearing press-fitted onto the hub wheel. A clearance is formed between at least one inner race and the hub wheel such that the at least one inner race is out of contact with the hub wheel at a position where an action line intersects with the hub wheel, the action line being a contact angle of the balls on the outboard side with the at least one inner race. A large-diameter side radially inner surface of the at least one inner race is formed as a curved surface opposed to the inner rolling surface of the at least one inner race. An axial dimension La of a corner portion of the hub wheel is 1.5 times or more as large as a radial dimension Lr thereof.

Abstract: A bearing unit for a turbocharger, including a bearing housing extending in an axial direction and also including a bearing cartridge arranged within the bearing housing, wherein between the outer circumference of the bearing cartridge and the bearing housing there is formed an intermediate space with an oil film, and wherein the bearing housing has a supply bore formed for the supply of oil to the oil film. The bearing cartridge includes a rolling bearing, the outer cartridge ring of which is mounted in a freely rotatable manner in the oil film. A bearing unit for a turbocharger, the bearing cartridge of which includes a rolling bearing, the bearing outer ring of which is mounted in a freely rotatable manner in the oil film. By means of bearing units of such design, it is possible to ensure the secure mounting of a shaft even without a separate twist prevention device.

Abstract: A rolling contact bearing includes a shaft having a first radial elevation and a second radial elevation. A first inner ring has a first raceway for the rolling bodies to roll on, a first radial narrowing and a second radial narrowing, the first radial elevation and the first radial narrowing forming a first press fit, and, respectively, the second radial elevation and the second radial narrowing forming a second press fit. The shaft has a third radial elevation and a fourth radial elevation. A second inner ring has a second, radially outer rolling body raceway for rolling bodies to roll on, a third radial narrowing and a fourth radial narrowing, wherein the third radial elevation and the third radial narrowing forming a third press fit and, respectively, the fourth radial elevation and the fourth radial narrowing forming a fourth press fit.

Abstract: A bearing includes a first race including first and second segments, forming aligned pairs of first surfaces, spaced angularly about an axis; a second race including second surfaces, each second surface aligned with one of the pairs of first surfaces; balls, each ball contacting the surfaces of the first and second races; and a cage retaining each ball and engaging the first and second segments.

Abstract: A ball screw device includes a screw engaged into a nut member for forming an endless ball guiding passage and for receiving bearing members, the nut member includes a thickness reduced barrel for forming a peripheral surface in the nut member, a tubular member is engaged onto the barrel of the nut member, a number of bearing elements are engaged onto the nut member and the tubular member, a sleeve is engaged onto the nut member and includes an inner peripheral protrusion having two curved side surfaces for engaging with the bearing elements and for solidly and stably anchoring and retaining the bearing elements between the sleeve and the tubular member and the nut member.

Abstract: A rolling bearing, with a bearing inner and outer ring where at least one of the bearing rings is split, in a parting plane which is normal with respect to an axis, into two ring halves of identical shape. Latching members are integrally formed on a radially inner or radially outer ring part. Segment-like and shell-shaped projections project axially beyond the ring part at a part of the circumferential extent thereof. The projections are arranged in a different radial plane to the latching members, which projections are delimited in the circumferential direction by segment-like depressions and the projections of one ring half engage into the depressions, which are of complementary shape, of the other ring half, such that the projections and the ring part overlap in the axial direction and the latching members of the one ring half engage into clearances which are arranged in the other ring part.

Abstract: A rolling-element bearing 1 comprising an inner race 3, an outer race 2 and an array of rolling elements 4 arranged within a bearing cage 5 situated between the two races 2, 3, the inner surface of the bearing cage 5 being piloted on the inner race 3 for limiting eccentric movement of the cage 5 within the bearing 1 and further having a reservoir 9 formed between a pair of circumferential weirs 6a, 7b on the cage 5, the outer surface of the inner race 3 comprising a raised land portion 3d for contacting oil 9a in the reservoir 9 thereby to control the relative speed of the cage 5 and the inner race 3, wherein the radial depth of each weir 6b, 7b is greater than the maximum radial clearance between the land portion 3d and the cage 5 for maintaining said controlling contact between the land portion 3d and the oil 9a during said eccentric movement of the cage 5.

Abstract: A bearing assembly includes an outer race and an inner race with a ball bearing element located between the inner and the outer races. The inner race has a first portion and a second portion separated from the first portion by a split. The first portion includes a first curved inner race support surface defined by a first center point and the second portion includes a second curved inner race support surface defined by a second center point that is non-coincident with the first center point.

Abstract: An improved swashplate assembly of the main rotor of an AH-64 Apache helicopter includes a stationary swashplate and a rotating swashplate and a ball bearing between the swashplates, the ball bearing having an outer ring, an inner ring, two sets of balls between the inner ring and the outer ring, and a wire loop cage between the inner ring and the outer ring. The improvement includes that the inner ring, the outer ring and the balls are formed from an M50 alloy.

Abstract: A double-row roller bearing comprises a one-piece bearing ring, a bearing ring that is split in the axial direction, and rolling bodies that are arranged between the two bearing rings. The rolling body of the first row has a first diameter, and the rolling body of the second row has a second diameter that is different to the diameter of the rolling body of the first row. The rolling bodies consist of a ceramic material, and the contact angle of the first rolling body row is different to the contact angle of the second rolling body row.

Abstract: A vehicle wheel bearing apparatus has an outer member formed with double row outer raceway surfaces on its inner circumferential surface. Inner members are each formed with inner raceway surfaces on their outer circumferential surface. The inner raceway surfaces face opposite to the double row outer raceway surfaces. Double row balls are freely rollably contained between the outer raceway surfaces and inner raceway surfaces. A counter portion is formed near the bottom of each inner raceway surface. The counter portion has an outer diameter larger than, by a run-over height, a diameter of the bottom of each inner raceway surface. The counter portion is formed by a cylindrical portion that axially extends from each inner raceway surface. A tapered portion converges toward the end face of each inner member. Transitions between the counter portion and the inner raceway surface as well as between the cylindrical portion and the tapered portion are rounded and smoothly continuous.

Abstract: A rolling bearing arrangement comprising at least two annular rows of bearing rolling bodies, a first inner ring and a second inner ring next to and coaxial with the first inner ring and a snap ring connecting the inner rings to one another. The snap ring has a radially inwardly projecting first engagement element at the first inner ring and a radially outwardly projecting second engagement element at the second inner ring. Radial depressions in the first and second inner rings receive respective engagement elements. The first engagement element engages into the first depression radially in the direction toward the axis of rotation of the rolling bearing arrangement. The second engagement element engages into the second radial depression radially away from the axis of rotation. Free inner spacing inside each inner ring, with one inner spacing nearer to the axis of rotation than the other inner spacing.

Abstract: An annular casing partially encloses the outer race of a pair of the angular contact bearings. The casing is split along a radial plane into two casing halves, each casing half being molded of a polymer. The two casing halves are retained axially such that relative axial movement of the angular contact bearings is limited.

Abstract: A wheel bearing unit is with an outer race member having two rows of raceway surfaces formed in its inner peripheral surface. In the vicinity of the groove bottom portion of the raceway surface of an inner race member is provided a projection having a diameter greater than the inscribed circle diameter. The raceway surface, the outer peripheral surface of the projection, and smaller end face are concurrently ground to keep within a predetermined range of standard values the radius difference between the diameter of the groove bottom portion of the raceway surface of the inner race member and the outer diameter of the projection, as well as the core deviation between the groove bottom portion and the smaller end face.

Abstract: A molded wheel and bearing assembly includes two bearings in a molded housing forming a bearing assembly. The bearing assembly is molded into the hub of a caster wheel. The caster wheel is made by molding a hub around the bearing assembly, then molding a tread around the hub. No assembly of individual elements into the wheel is necessary.

Abstract: The bearing according to the invention is an ultra thin type rolling bearing in which the ratio of a ball diameter/a pitch circle diameter is 0.03 or less, and includes an outer member, an inner member, and balls inserted between these members. A double row raceway surface is provided at the inner circumferential surface of the outer member. The inner member includes an annular member and an engaging member engaged to the outer circumference of the annular member and having an axial clearance to the annular member, and raceway surfaces are provided at the outer circumferential surfaces of the annular member and engaging member. Preloading is performed by pressurizing the engaging member and reducing the axial clearance. Thus, the number of parts is reduced and the manufacturing cost is reduced accordingly.

Abstract: A molded wheel and bearing assembly includes two butt-out bearings in a molded housing forming a bearing assembly. The bearing assembly is molded into the hub of a caster wheel. The caster wheel is made by molding a hub around the bearing assembly, then molding a tread around the hub. No assembly of individual elements into the wheel is necessary.

Abstract: A bearing assembly for a vehicle hub comprises rolling elements (9, 10) which are in rolling contact with at least one inner raceway (2) and outer raceway (1), of respectively an inner ring member and an outer ring member, one of which ring members comprises two bearing rings (3, 4) which are interconnected by means of a mounting sleeve (14) for preloading the rolling elements in axial direction between the raceways. The bearing rings (3, 4) are bonded to the sleeve (14) by means of glueing.

Abstract: A bearing assembly with at least one row of balls is disclosed. The bearing assembly has a shaft tube, at least one pair of bearing covers pressed onto the shaft tube, a concave surface formed in facing sides of each of the bearing covers, a row of balls received in the corresponding concave surfaces of the pair of bearing covers and a race arranged on the outer periphery of the row of balls to receive them. The bearing assembly can be arranged with multiple rows of balls to improve the ability to bear a large load between the rotating and stationary members.

Abstract: A play-free radial ball bearing in which the inner bearing ring is constructed in two parts, whereby at least one of the two bearing ring elements (4, 5) is axially and radially movable and the bearing outer ring (6, 23, 25) has a race (2) with a radius that is clearly larger that the radius of the bearing balls (1). Due to the significantly greater osculation of the outer race (2) in comparison to the bearing balls (1), a restricted tipping of the shaft with, at the same time, freedom from play in the bearing, is made possible in connection with the two part movable inner ring.

Abstract: A bearing assembly supports a shaft. The bearing assembly comprises an outer bearing race and an inner bearing race. Each bearing race has a race track in which a plurality of rolling elements are located. The inner bearing race is split into two halves. The two halves of the split bearing race are interconnected by curvic teeth. The curvic teeth constrain relative movement between the two halves of the split bearing race and maintain concentricity of the bearing race.

Abstract: A wheel bearing device is provided in which the cutting amounts of end faces in a simultaneous process substantially balance with each other, so that a polishing process is facilitated and the tightening axial force of a nut can be stabilized.A wheel bearing device has an outer race which serves also as a housing; an inner race which serves also as a shaft; an inner race member which is fittingly fixed to the shaft which is the inner race; rolling elements and a cage which are disposed in an annular space between the outer race, and the inner race and the inner race member; and a nut which fixes the inner race member to the inner race by an axial force. In the wheel bearing device, the inner race member is formed so that the area of an end face abutting against a step portion of the shaft of the inner race is substantially equal to the area of an end face abutting against a bearing surface of the nut.

Abstract: A roller bearing assembly is disclosed which has a single-piece outer race ring having a central, circumferential depression and a pair of raceway surfaces on opposite sides thereof. An inner race ring, sized and shaped to fit within the outer race ring, comprises a pair of inner race members. Each of the inner race members has two ends and a raceway surface formed at least in part by a shoulder. The inner race members are positioned so as to abut each other at their respective abutting ends and are axially aligned such that the raceway surfaces of the inner race members are aligned with one of the raceway surfaces of the outer race ring to form two raceways. A substantially tubularly-shaped inner sleeve having two ends is disposed in the internal bore of the inner race ring for maintaining the axial alignment of the inner race members.

Abstract: The device for connecting bearing rings with ring-shaped grooves is machined into the peripheral surfaces. An essentially sleeve-shaped connecting element engages in these grooves, where flange-shaped retaining projections on the connecting element cooperate with conical clamping surfaces of the ring-shaped grooves, which are characterized by ring-shaped grooves formed in the ring-shaped undercut. These grooves have positive-locking surfaces oriented toward its interior and snap-lock elements are arranged in a ring on the retaining projections to grip behind the positive-locking surfaces.

Abstract: An improved wheel and bearing assembly for a load transporting overhead trolley with a load support bracket having opposed stems mounting laterally offset wheels in rolling engagement with an overhead track has wheel-incorporated radially inner and outer race members with anti-friction load bearing balls between them in an annular trackway. The radially inner race member is split offset from the line connecting the center of the balls and formed of mating laterally outer and laterally inner abutting members which have laterally mating non-compressible radially abutting surfaces with radially aligned annular grooves therein. A circumferentially compressible retention spring is carried in one of the annular grooves and resiliently projects radially from the groove so that a snap fit is achieved when the inner race members are moved relatively laterally into mating assembly.

Abstract: A wheel support structure of a motor vehicle wherein a double angular bearing 11 is constituted of an outer race 12 integrally installed in one of such members as a hub 9 on which a wheel is mounted and a knuckle 3 to which a suspension arm is installed, inner races 14a and 14b installed in the other, and double rows of balls 13a and 13b inserted between the races; and a lock nut 15 is tightened to compress the inner races 14a and 14b in an axial direction. There is formed a clearance between the inner races 14a and 14b in a no-load condition. The bearing thus constituted is provided with a large rigidity to thereby improve the steering stability of the motor vehicle.

Abstract: A hub unit bearing apparatus for a vehicle, adapted to rotatably support a constant velocity joint and a wheel on a vehicle body and to connect them to each other, comprises an outer race attached to a vehicle body, a shaft extending from a constant velocity joint and having a first reduced diameter portion at its free end, a cylindrical hub fitted on the first reduced diameter portion and having one end which is near the constant velocity joint and on which a second reduced diameter portion is formed, an inner race fitted on the second reduced diameter portion and cooperating with the outer race via rolling members to construct a bearing, a first nut threaded on the second reduced diameter portion so as to protrude from an end face of the second reduced diameter portion axially and urging the inner race against a body portion of the hub, and a second nut threaded on the second reduced diameter portion and urging the hub, inner race and first nut against the constant velocity joint.

Abstract: To produce an inexpensive small size ball bearing, the inner ring races are formed of spherical segments which are connected to each other at flattened connection places. A row of balls is guided by a respective inner ring race contact point on each of the segments in the region of the attachment place between two segments. In a four point ball bearing, the single row of balls contacts two contact points, one on each spherical segment, that define the inner race and contacts two races formed in the outer ring. In a three point bearing, there are two axially spaced apart rows of balls and three spherical segments in an axial row, two of the spherical segments of the inner ring define two of the inner race contact points for one of the ball rows and two other spherical segments of the inner ring defined two of the inner race contact points for the other row of balls. In both embodiments, the outer ring is split into two parts, each having one contact point on it.

Abstract: A two row angular-contact roller bearing having on undivided bearing ring and one axially divided bearing ring with a respective row of rolling elements rolling over each of the axial sections of the divided ring. The respective comb separator for each of the rows of rolling elements has an annular collar that projects axially toward the annular collar on the other separator. One separator annular collar is radially inclined inwardly and the other separator collar is radially inclined outwardly. The collars are so placed as to interfere, and they are sufficiently flexible as to deform and upon the collars being pushed together for causing the collars to loosely interlock sufficiently to enable one row of rolling elements and their separator to rotate with respect to the other. Elevations defined on the divided race ring sections support the axially inward sides of the rows of rolling elements. A shoulder on the divided race ring section engages the axially outward side of the row of rolling elements.

Abstract: A bearing assembly includes a split inner race disposed on a distal end of an output shaft disposed coaxially about an input shaft. A plurality of bearing elements are disposed around the inner race, with a stationary outer race surrounding the elements. The inner race includes a plural number A.sub.1 of radially extending splitline channels in flow communication with a circumferential splitline manifold between the inner race and the output shaft distal end. A first half of the inner race includes a plural number B.sub.1 of radially extending first channels disposed in flow communication with a circumferential first manifold defined between the inner race first half and the output shaft distal end for channeling oil to the cage. The output shaft distal end includes a number A.sub.2 of axial splitline feed groves joined in flow communication with a respective number of radial splitline feed holes therein for channeling oil to the splitline maniflod, and a number B.sub.

Abstract: A mounting sleeve particularly for the loose annular parts of a multi-row anti-friction bearing wherein the rows of rolling bodies are toward the axial ends of the outer ring. The mounting sleeve is approximately U-shaped with a slit opening of about 90.degree. in it extending along the sleeve. At axially opposite ends of the U-shaped sleeve are formed radially inwardly directed flanges which extend over a smaller circumferential angle than the sleeve, e.g. over an angle of about 180.degree., and are each symmetric around the U-shaped sleeve. Projections on the axial insides of the flanges rest axially either against the row of rolling bodies or against the separators for the row of rolling bodies. A radially outward projection opposite the slit opening in the sleeve aids in installation and removal of the sleeve.

Abstract: A multirow bearing assembly for the roll neck of a working rolling mill in which the bearing is composed of rolling elements between outer and inner members in which the inner members are positioned in axial endwise abutment and are formed with undercut counterbore formations facings the roll neck. The bearing assembly includes sealing components operative in the counterbore cavity formations to exclude water and contaminants getting into the endwise abutment of the inner members. In addition, the sealing components include one or more devices to adjust the effect of the wear on the seal in the event that water and contaminants get into the sealing components.

Abstract: A bearing assembly includes a split inner race having first and second inner race halves joined together at a split line. A plurality of center feed passages are provided at the split line, and at least one radial pilot passage is provided in one of the inner race halves and axially spaced from the center feed passages. A bifurcated distribution manifold is disposed at the split line and includes a center distribution manifold disposed in flow communication with the center feed passages, and a pilot distribution manifold disposed in flow communication with solely the pilot passage. The bifurcated distribution manifold ensures the independent channeling of lubricating oil to both the center feed passages and the pilot passage under centrifugal force upon rotation of the inner race.

Abstract: An anti-friction bearing unit, particularly for use in an exhaust gas turbo charger. The unit includes two anti-friction bearings axially spaced apart from each other on a shaft. High temperature occurs on one end of the shaft. A precise mounting is provided which is not sensitive to high temperatures on at least the axial side exposed to high temperature. The bearing outer ring, which is the ring not subject to high temperatures, consists of one piece. The bearing inner ring is widened and divided into two sections at its axial middle. The axial portion of the divided inner ring which is exposed to high temperature consists of material of high heat resistance. The high heat resistance material is, for example, 80 MoCrV 42 16 (M 50) or X 102 CRMo 17 (AISI 440 C). An additional intermediate ring around the shaft at the high temperature and helps reduce heat transmission.

Abstract: A wheel mount for driven wheels including an axially inner hub and an axially outward outer part. A first row of rolling elements rolling about the periphery of the hub and a second row of rolling elements rolling about the periphery of a pivot journal projecting from the outward part into the bore of the hub. In the bore of the hub is a circumferential array of axially extending, obliquely radially outwardly inclined teeth. A fastening journal from the outward part projects into the bore axially past the oblique teeth. The fastening journal is plastically deformable to define a deformed bead which engages in the toothing in the bore of the hub to provide a rotation lock between the hub and the outward part. The bore of the hub and the periphery of the fastening journal also are stepped complementary for axially fixing them in form locked manner.

Abstract: A wheel bearing assembly for an automotive wheel equipped with a detector for the number of revolutions of a wheel hub. It has an outer member and two inner members mounted in the outer member through rolling elements. A pulse ring in the form of a multipolar magnet is mounted in the bearing assembly so as to be fixedly held in annular grooves formed in the outer periphery of the inner members at their abutting ends or to be supported on one of the inner members. A sensor including a Hall IC is mounted in the outer member at such a position as to face the pulse ring. The pulse ring rotates with the inner members to allow the sensor to detect the rotational speed of the wheel.

Abstract: A wheel bearing unit for motor vehicles, and the like, having an outer ring and two rows of anti-friction rolling elements in the outer ring. An axially inward hub has one race for one row of rolling elements. An axially outer part of the of the bearing unit has another row of rolling elements on its periphery. One of the hub or the outer part has an axially projecting pin projecting toward the other. The other of the outer part and the hub has a sleeve with an internal bore into which the pin projects. The periphery of the pin and the interior of the bore are stepped complementary to one another such that when the hub and outer part are brought together, they are stabilized thereby. An axially directed projection projects from the axially forward end of the pin into engagement with the bottom of the bore. When the outer part and hub are relatively rotated, the contact is sufficiently heated to friction weld the end of the axially directed projection to the bottom of the bore.

Abstract: A double row roller bearing, especially a tapered seat ball bearing, has an outer ring 1 containing two tracks 8, 9 and is formed in one piece. The inner ring 3 is first produced in one part and after having been machined to its finish-dimensions it is broken into two ring parts 4, 5 by applying pressure. The joint 10 extends relative to the axis of rotation x--x of the bearing at an angle which deviates from a right angle. In the assembled condition, the two inner ring parts 4, 5 are fixed in a position relative to each other which they assumed prior to being separated.

Abstract: A wheel bearing assembly for an automotive wheel equipped with a detector for the number of revolutions of a wheel hub. It has an outer member and two inner members mounted in the outer member through rolling elements. A pulse ring in the form of a multipolar magnet is mounted in the bearing assembly so as to be fixedly held in annular grooves formed in the outer periphery of the inner members at their abutting ends or to be supported on one of the inner members. A sensor including a Hall IC is mounted in the outer member at such a position as to face the pulse ring. The pulse ring rotates with the inner members to allow the sensor to detect the rotational speed of the wheel.

Abstract: A rotating, conductive, heat transfer device is provided. The device includes an outer race having an axis, an inner race coaxial with the outer race, and a plurality of bearing balls disposed in a radial direction between the inner race and the outer race. The device also includes a plurality of separators disposed alternately in a peripheral direction between the bearing balls. The device has a first track and a second track, supported by the inner race, for supporting the separators. The inner race has a first, fixed, inner ring portion with a first bearing surface, and has a second, separable, inner ring portion with a second bearing surface. The outer race has a third bearing surface, disposed in a radial direction opposite to the first bearing surface. The outer race also has a fourth bearing surface, disposed in a radial direction opposite to the second bearing surface. The first and second and third and fourth bearing surfaces are in contact with a spherical surface of each bearing ball.

Abstract: A high-spped anti-friction bearing particularly useful for airplane power plants, the bearing having an outer ring and an inner ring. The inner ring is axially split at the rolling elements into two axial sections. The axial sections are each generally L-shaped in cross section, with one arm of each L backed against the other. To enable the bearing rings to be relatively thin walled in the radial direction and to prevent undesirable deformation thereof during the manufacture or installation, each of the rings is provided on at least one axial side and preferably on both axial sides with projecting axial extensions. Each extension preferably tapers narrower in its radial thickness axially outward. Each extension includes a cylindrical portion and a frustoconically shaped portion, usually with the cylindrical portion axially more inward and the frustoconical portion axially more outward.

Abstract: In order to keep at least part of the axial and tilting forces that act on a bearing away from the stub shaft supporting the bearing rollers, the inner ring of the bearing is constructed of two sections (2) (3) that support individual sets of ball bearings. The inner ring sections abut one another in a plane perpendicular to the bearing rotational axis. One of these inner ring sections (3) is force fitted on the stub shaft at the free end thereof and has a larger cross section than the other inner ring section (2). A necked-down bolt and mating closure nut, the latter being adjacent inner ring section (3), cooperate to maintain the other bearing elements assembled in operative relationship.

Abstract: A wheel bearing assembly, wherein a wheel bearing including an inner bearing ring and an outer bearing ring is arranged in driving connection with a universal joint, is formed with the inner bearing ring consisting of a piece which has been initially formed as a unitary member with dimensions so as to be ready for installation in the bearing assembly, with the unitary member being subsequently ruptured to form a split therein by application of pressure, thereby to form the inner bearing ring in two parts. The wheel bearing consists of a dual-row ball bearing and the inner bearing ring is formed with two races, with the split extending between the two races. A recess is formed between the two parts of the inner bearing within which there engages part of the universal joint to effect torque transmitting engagement between the joint and the wheel assembly, with the two parts of the inner bearing ring being clamped together within an assembled state, with the split therebetween extending through the recess.

Abstract: A bearing assembly comprising inner and outer rings provided with cooperating axially outwardly and inwardly facing bearing races in which the ring having axially inwardly facing races is split into two portions which are secured to one another to retain bearing races and which are radially and circumferentially positioned and secured to one another. A method of forming a precision bearing assembly as described.

Abstract: A double-row, angular-contact ball bearing unit includes double sided cage, a plurality of balls maintained in first and second circular arrays by the cage and disposed between a one piece outer ring having two races and an inner ring formed of two side by side sections, each having an individual race. Angled deflectible locking fingers extend inwardly from the cage into a locking groove in the inner ring section for the first array at a location between the arrays of balls, and this section extends sideways into the region of the second array. The outer ring is undercut from the outer race having the second array to the side of the outer ring that is remote from the first array. The cage side for the first array is of the comb-type and the cage side for the second array is of the window-type.

Abstract: A ball bearing structure comprising an outer ring and an inner ring defining a ball race. The inner ring is composed of two sections which when assembled trap the outer ring against axial separation of the rings. The inner ring sections are provided with an annular rib structure which enables their being snap-fitted together easily and inseparably, giving a long service life, low cost bearing apparatus.

Abstract: To limit the maximum speed of the fan blade of an automotive-type alternator, the fan blade (21) is secured to the outer race (23) of a ball bearing (22) having a two-part inner race (24, 25), one of the parts being an axially slidable sleeve (25) which is spring-pressed by a cup spring (26) in engagement with a drive pulley (18) against the first race (24). Until a certain limiting reactive pneumatic force or frictional force is reached, the cup spring (26) will clamp the balls (22) between the inner and outer races, so that the fan blade (21) will rotate with the pulley; when the reactive force and speed are exceeded, however, the fan blade can rotate about the balls (22), and hence slip with respect to the rotation of the pulley (18).