Abstract: The invention relates to an apparatus and a procedure for mounting a bearing wheel journal box (6) in a supporting structure. The supporting structure consists of a supporter side plate (4) having a seating (21) for the journal box (6). The seating has an opening delimited by corners (23,25). On the periphery of the journal box (6) there is an area (12) of reduced thickness, in the region of which the outer measure (S) of the journal box is smaller than the distance (W) between the corners (23,25) of the seating (21), while at other points the outer measure (D) of the journal box is larger than said distance (W). The journal box (6) is inserted into the seating (21) by holding the reduced-thickness portion (12) against the edge (23) of the opening and then turned into a desired position in the seating (21).

Abstract: A wheel bearing assembly can be assembled easily while maintaining a high reliability of connection between the outer ring and the hub. A hub is fitted into or onto a shaft portion of an outer ring of a homokinetic joint. Ball raceways are formed on the outer ring and the hub at their opposite ends. Balls are arranged in two rows so as to roll along the respective raceways. A bearing outer ring around the outer ring and the hub is supported by the balls. The shaft portion of the outer ring and the hub are press-fitted together with a predetermined interference. They are welded together at one end of their joint area.

Abstract: A bearing assembly includes an outer race, an inner race, a plurality of rolling elements, such as bearing balls positioned in a raceway between the outer race and the inner race. The inner race has a series of splines which extend radially inwardly of the spline, the splines increase the amount of surface area which extends radially, or normal to the inner race to contact a similarly configured shaft member. The splined inner race eliminates reduces pounding or knocking noises associated with hexagonal bearings.

Abstract: A bearing bushing supports a bearing assembly of a cylinder journal in a frame bore. The bearing bushing utilizes an inner ring and an outer ring. Both rings are provided with varying wall thickness. A pressure chamber is defined between the two rings in an area away from the resultant of the forces acting on the bushing. A pressure medium can be supplied to this pressure chamber to tightly secure the bearing bushing in the frame bore.

Abstract: A bearing retention arrangement is disclosed for rotatably supporting a shaft (27) within a bearing opening (75) defined by a wall portion (35). The bearing retainer (83) is cylindrical and includes a pair of bayonets (89,91), and the bearing opening (75) defines recesses (77,79) Which conform generally to the bayonets. After the shaft (27) is in place, along with the bearing inner race (63) and bearing members (65), the outer race (67) is pressed into the retainer (83). The retainer is then passed through the bearing opening, with the bayonets passing through the recesses, until the bayonets (89,91) are disposed adjacent a forward surface (71) of the wall portion (35). The bearing retainer is then rotated until the bayonets are no longer rotationally aligned with the recesses, and finally, some form of antirotation device (95,99) is installed to prevent rotation of the bearing retainer from its assembled position (FIG. 3).

Abstract: A bearing assembly having an improved lubrication arrangement includes an inner ring and an outer ring assembly defining a bearing chamber within which bearing elements are disposed. The inner ring, outer ring assembly and bearing elements comprise a bearing group. A housing is disposed about and positionally secures the bearing group. A first lubrication path is defined by the outer ring assembly to conduct lubricant to the bearing chamber. A second lubrication path is defined by the housing to conduct lubricant to the first lubrication path. Preferably, a threaded fitting extends through the second lubrication path and is threadably secured to the first lubrication path so that lubricant may be conducted directly into the first lubrication path without leakage between the bearing group and the housing.

Abstract: A wheel hub unit in which an inner ring of a rolling bearing acts as a wheel hub and is rigidly connected to an outer cap of a constant-velocity universal joint; the inner ring is formed by a first element having a first race for the rolling bodies and a sleeve-shaped connecting portion and a second annular element provided with a second race for the rolling bodies, which is fixed to a first length of the sleeve-shaped portion so as to be rigid for rotation therewith, the second element being in abutment with an axial shoulder of the first element adjacent the first race and being axially locked thereagainst by means of the plastic deformation of a stop member; the cap of the joint being coupled with a second, splined length of the sleeve-shaped portion on which it is axially snap engaged.

Abstract: An article, such as a swing arm for a glider chair, includes an elongated structural member made of high strength aluminum, and a pair of cast-in place preassembled bearings located in opposing ends of the structural member and facing in opposite directions. The preassembled bearings each include a first cup-shaped bearing member defining an outer depression for secure engagement by the material of the structural member and an inner ring-shaped ball race or track. The preassembled bearings each further include a second tubular bearing member defining an outer ring-shaped ball race or track and an internal passageway. Ball bearings are positioned between the first and second ring-shaped races for movably supporting the second bearing member on the first bearing member. Lubricant can be added through the passageway in the second bearing member into the area of the ball bearings for lubricating the ball bearings.

Abstract: A bearing mounting arrangement is provided in which a dimension stabilizing ring is molded into a motor housing bearing cap to limit critical bearing mounting variations in the, as molded, plastic bearing cap. The dimension stabilizing ring has an inner castellated cylindrical surface forming axially parallel grooves. These grooves are filled with plastic during molding which include portions that intrude into the bearing mounting bore so that a bearing may be force fit in this bore, deforming these plastic portions. This fixes the outer race of the bearing and prevents rotation of it relative to the bearing cap of the motor housing.

Abstract: A rotary apparatus, such as a pneumatic motor, is disclosed. The rotary apparatus comprises an end plate having a race cavity, a main rotor with a stub shaft extending from one end, and a bearing, which includes an outer race seated in the race cavity and an inner race having a central bore. The stub shaft is fitted into the central bore with a frictional fit. In a preferred embodiment, the threaded shank of a screw is threaded into a threaded socket in the stub shaft so as to draw the stub shaft into the central bore with a washer bearing against the screw head, against the stub shaft, and against the inner race, whereby a controlled gap is provided between an outer surface of the main rotor and an inner surface of the end plate.

Abstract: A tubular portion of the adaptor has a non-cylindrical outer surface to be received within an inner bearing ring bore and a non-cylindrical inner surface to receive a non-cylindrical shaft. Flanges are directed substantially radially outwardly from the tubular portion at the adaptor ends to engage the end surfaces of the inner bearing ring. Slots distributed along the perimeter of at least one adaptor end and extending longitudinally through the flange and part of the tubular portion form a plurality of retention fingers. The retention fingers may bend radially inwardly and outwardly to permit insertion into the inner bearing ring and to accommodate dimensional variation of the non-cylindrical bore and the non-cylindrical shaft.

Abstract: A wheel spindle and bearing assembly for either a non-drive or driven wheel of a vehicle includes a unitary spindle of substantially constant diameter along the bearing section which includes dual raceways formed in the outer surface. Dual annular arrays of antifriction elements are seated in the raceways and are held captive by dual outer support rings, thus providing relative rotation between the spindle and the rings. The support rings are preferably mounted for telescoping movement relative to each other between a retracted position in the direction of the axis of the spindle to allow loading of the antifriction elements and an axially extended position for applying an opposed, axial preload force to the bearing assembly. In the axially extended position the rings form a gap between opposed faces and a split, annular keeper is positioned in the gap and held in compression to secure the entire assembly. The cross section area of the keeper is slightly larger than the gap to establish the preload force.

Abstract: A bearing retaining device is provided to maintain a shaft bearing within a housing. In one embodiment the device has a housing with a central bore into which is received a bearing. The bearing rests upon a bearing seat and is maintained in the housing by a retainer clip. The retainer clip is generally disc shaped with a number of spring tab members extending at an angle therefrom. When the retainer clip is rotated within the housing, the spring tab members are compressed by brush holders protruding into the housing and above the retainer seat. The spring tab members spring back to position after clearing the protrusions and dimpled ears formed in the retainer clip body frictionally engage the brush holders. The trailing edge of each spring tab member grips the side of each brush holder. The bearing is thereby locked into the housing and displacement and vibration thereof are eliminated.

Abstract: A supporting structure for a drive shaft of an electrically driven power steering motor is presented to prevent axial displacement of the drive shaft. Around the entire peripheral outer circumference of a hollow cylindrical drive shaft, a radially protruding flange section of a U-shaped cross section is provided to engage with the shaft bearing freely rotatably supporting the drive shaft, and prevent an axial displacement of the drive shaft. The support structure exhibits little deformation due to spring back, because of the improved resistance to axial loading and retains excellent original shape of the flange section.

Abstract: A wheel bearing unit for example for use in a motor vehicle, including an antifriction bearing clamped on the hub. The hub includes a bore which defines a tubular hub part that prior to deformation extends past the axially outer end of the inner ring of the bearing. The tubular hub part is deformed radially outward around the radially inner, axially outer edge of the inner ring to clamp the inner ring and the bearing to the hub. Features of the inner ring and hub for enabling such clamping are disclosed including the hub material hardness, the hub having a tubular part of a particular wall thickness and a length protruding beyond the axial end of the bearing, the radius of the edge of the inner ring about which the bead is formed, the thickness of the bead and its angle of inclination both with reference to the end of the inner ring and to the interior bore, and the depth of the bore.

Abstract: In a rotor mounting system, a tab is welded to the outer race of a bearing assembly extending in a radial direction beyond the diameter of the outer race. The motor bracket housing includes a boss projecting upward from the housing proximate to the receiving cavity for the bearing assembly, such that when the bearing assembly is seated in the receiving cavity, interference between the tab and the boss prevents rotation of the outer race within the receiving cavity.

Abstract: There is disclosed a bearing for mounting on a multi-sided shaft having an outer race and an inner race coaxial with and rotatable relative to the outer race. The inner race is formed with a central bore having a plurality of internal corners which accommodate a multi-sided shaft. The central bore is preferably adapted to accommodate hexagonal and square shafts. The central bore has at least one circumferential groove in the bore and an elastomeric ring mounted into the groove. The grooves are formed at such depth that the elastomeric ring is exposed at the internal corners of the central bore whereby when the bearing is mounted the elastomeric material will contact the shaft and dampen the relative motion between the bearing and the shaft.

Abstract: A system for supporting a shaft member at one end of a support component, including a bearing inner ring and a bearing outer ring, a row of rolling elements in the space between the rings, characterized in that the bearing outer ring (1,27, 34) has a radially outwardly directed flange (2) which can be fastened to the support component (9), the bearing inner ring (3), (32) having a radially inwardly directed flange 4 which can be fastened to the end surface of the shaft member (11), a cylindrical centering surface (15) on the bearing outer ring (1), (27), (34) for centering guidance in a corresponding bore in the support component (9), a cylindrical centering surface (13) on the bearing inner ring for centering guidance on a corresponding section of the shaft member (11).

Abstract: A bearing assembly includes an outer race, an inner race, a plurality of rolling elements, such as bearing balls positioned in a raceway between the outer race and the inner race. The inner race has a series of splines which extend radially inwardly of the spline, the splines increase the amount of surface area which extends radially, or normal to the inner race to contact a similarly configured shaft member. The splined inner race eliminates pounding or knocking noises associated with hexagonal bearings.

Abstract: This invention relates to a sealed-bearing roller assembly comprising a double sealed bearing means, an axle member compressibly engaged in the bearing means, and a roller body preferably made of Polyethylene plastic and securely mounted about the bearing means. The roller body has a protective side wall to substantially prevent unwanted moisture and debris from penetrating inside the roller body and damaging and wearing out the bearing means which has two seals to substantially prevent foreign matter from penetrating inside the bearing means. The sealed-bearing roller assembly is longer lasting, more quiet, more resistant to rust and corrosion, and comparably resistant to abrasive materials than the prior art which is commonly made of steel.

Abstract: A hanger means for a wheeled vehicle comprises a fastening member which is adapted to be securely mounted above a head set of a wheeled vehicle, and a hanger which has first and second ends, a brake cable passes through the first end of the hanger and the second end of the hanger is pivoted to the fastening member allowing the hanger to be pivotable between a locked lower position and an unlocked upper position where said head set is accessible.

Abstract: An inboard bearing retainer for use in a vehicle wheel assembly having a live spindle. The inboard bearing retainer includes a retaining nut adapted to be engaged to an outer diameter of the inboard end of the live spindle. The nut including a flange which provides inboard retention and restrains inboard movement of the wheel bearing relative to the live spindle. The nut also includes a surface which at least partially defines the bearing seat for the wheel bearing. The retaining nut is engaged by a locking assembly mounted to the spindle's inboard end so as to prevent disengagement of the retainer nut from the spindle. In one embodiment, the locking assembly is a one-piece body having a bearing portion, a thrust washer portion and locking tabs which interferingly prevent disengagement of the retainer nut from the live spindle.

Abstract: A self adjusting support for anti-friction bearings wherein one half of the circumference of the outer race of the bearing is accurately positioned by a semi-cylindrical recess formed in a bearing support half having a diameter equal to that of the bearing outer race, and the other half of the bearing support comprises a retainer having a semi-cylindrical configuration recess of a larger diameter than the outer race and a deformable wall wherein upon using tension members to draw the bearing support half and retainer toward each other the retainer wall will deform and cause the recess to conform to the diameter of the bearing outer race to accurately maintain the anti-friction bearing within the bearing support permitting the bearing to be firmly held in position without auxiliary cages, bushings or split rings even though significant tolerances may exist between the bearing support and bearing outer race.

Abstract: A bearing (1) for the wheel suspension strut of a motor vehicle has an inner and an outer bearing ring (2, 3). The inner bearing ring (2) radially encloses a clearance ring (5) concentrically arranged in its bore (4). A bearing housing (8) made of deep-drawn sheet metal encloses the outer bearing ring (3). In order to reduce the total mass of the bearing and to allow it to be easily linked to a neighboring part of the car body, the bearing housing (8) forms a single piece with a flange (9) that extends essentially transversely to the bearing axis (10). The flange has at least one bore and screw (12, 13) for securing the suspension strut bearing (1) to a neighboring part of the car body.

Abstract: A cross roller bearing is disclosed that achieves a long service life by reducing the effects of split surfaces formed in an outer ring in the direction that crosses a V-shaped groove of said outer ring. In addition, a cross roller bearing is disclosed that allows said effects to be reduced at low cost.The above-mentioned advantages are obtained by forming a recess in the outer surface of said outer ring corresponding to said split surfaces to reduce the preliminary pressure applied to rollers at that portion.In addition, the above-mentioned advantages are achieved at low cost by the filling of a filling member and the setting of the angle at which said split surfaces cross said V-shaped groove.

Abstract: A bearing assembly adapted to be secured to an elongated shaft. An inner race of the bearing assembly includes a clamping portion having a plurality of circumferentially spaced axial slots to form respective clamping fingers. A clamping collar mounts about the clamping fingers and is tightened to force the clamping fingers into clamping engagement with the shaft. The clamping collar has therein at least one relief indentation to provide enhanced flexibility. The enhanced flexibility allows a greater clamping force to be applied to the clamping fingers, and thus to the shaft.

Abstract: An axial retention 4 of a roller bearing 1 in a support part 2 comprises a stop shoulder 7, disposed at an elastically or flexurally widenable portion 6 of the support part 2. When the roller bearing is pressed into the support part 2, the portion 6 widens. After the roller bearing has been pushed up to the shoulder 3, a reverse or return deformation of the portion 6 occurs, so that the stop shoulder 7 forms the axial retention 4 for the roller bearing 1.

Abstract: A motor bearing device includes a rotary shaft, a bearing housing having a hole, a ball bearing rotatably supporting the shaft and arranged in the hole of the bearing housing and fixed to an outer ring of the ball bearing with adhesive, and an adhesive puddle formed at an inner surface of the hole of the bearing housing on a side of the bearing housing used for inserting the ball bearing into the bearing housing. A part of the adhesive is trapped in the puddle. The puddle can also be formed at an outer surface of the outer ring that corresponds to the inner surface of the hole of the bearing housing on the side thereof used for inserting the ball bearing into the bearing housing.

Abstract: A locking ring assembly retains a bearing to a shaft rotatably supported on a first axis of rotation. Guide pins extend axially from an annularly shaped bearing retainer slidably disposed on the shaft toward the pressure ring, also slidably on the shaft. A head of the guide pins is slidably disposed and captured in adjusting apertures of the pressure ring. Pressure screws in the adjusting apertures of the pressure ring translate axially in the apertures of the pressure ring when rotated, engaging the guide pin heads to displace the pressure ring from the bearing retainer. The pressure ring reacts against a reaction element disposed on the shaft opposite the bearing retainer to develop an axial thrust load against the bearing.

Abstract: A crossed roller bearing in which the rollers are oriented with their axes of rotation effectively crossed perpendicular to each other can be made from four molded plastic parts which are outer and inner split rings where the outer rings are joined side-by-side and have surfaces extending inwardly from the inner periphery which define a outer V-groove. Sets of rollers are connected at corners of one end face by frangible connections to the inside peripheries of each of the grooves and extend radially inwardly away from the inner periphery. The outer periphery of an inside pair of rings also has faces which form a V-groove opposed to the V-groove of the outer rings, when the inner rings are advanced toward each other and joined inside the outer rings. The ends of the inner rings engage the end faces of the rollers and pivot the rollers, preferably about corners in steps on the faces which form the V-grooves which define fulcrums.

Abstract: A bearing structure for a rotating shaft wherein a frame through which a motor is mounted on a device body is press-worked; a bearing section for supporting the rotating shaft of the motor is formed into a body that is separate from the frame; a mounting hole for securing the bearing section to a motor mounting position of the frame is arranged; a shaft hole for supporting the rotating shaft of the motor is formed on one end side of the bearing section; a bearing housing into which a bearing is fitted is formed on the other end side thereof; and a socket joint portion to be press-fitted into the mounting hole of the frame is formed on an outer circumference on the one end side having the shaft hole of the bearing section is formed.

Abstract: A cylindrical spindle for mounting a bearing or other member that requires lubrication, the spindle having an internal longitudinal passageway for conducting the lubricant to the bearing from an end of the spindle, and having a lateral passageway to receive a cotter pin for locking a nut on the spindle for retaining the bearing in place, the two passageways being nonintersecting with the lateral passageway extending substantially along a diameter of the cylindrical spindle and the longitudinal passageway being offset from the longitudinal axis of the cylindrical spindle.

Abstract: A wheel hub/constant velocity joint unit has a two-row wheel bearing with a common outer bearing race (16). A joint member (4) with an end sleeve (5) is slid on to the wheel hub (1) and connected thereto while the wheel bearing is in a pretensioned condition. The connection of the hub (1) and joint member (4) is effected by a weld (23, 24, 29) located in the region of a plug-in connection between the externally positioned end sleeve (5) of the joint member (4) and the internally positioned wheel hub (1).

Abstract: A bicycle headset includes a head tube engaged on a steerer tube, a lower bowl engaged in an upper portion of the head tube, a bearing engaged on the lower bowl, a sleeve engaged on the steerer tube, an upper bowl engaged on the bearing and engaged on the sleeve. A ring extends through the sleeve and couples the upper bowl and the steerer tube together such that the upper bowl and the sleeve and the steerer tube rotate in concert. A tapered surface is formed in the sleeve and the upper bowl so that the sleeve is forced radially inward by the upper bowl.

Abstract: An antifriction bearing with an outer ring having a main groove in its periphery. The groove has sharp edges which engage the interior of a housing surrounding the outer ring. Alternately, a secondary groove may adjoin an axial side or both axial sides of the main groove. A deformable material ring having its own radially outwardly facing deformation remitting groove may be disposed in the main groove in the outer ring. The deformable ring protrudes radially out of the main groove to be deformed by the internal wall of the housing around the bearing.

Abstract: A spindle assembly for a machine tool generally consisting of a housing, a housing having a pair of bearing seats, roller bearings mounted in the bearing seats, the bearing seats being oversized relative to the outer races of the roller bearings, the outer races of the roller bearings being adhesively bonded to the housing in said bearing seats and a spindle mounted in the inner races of the roller bearings.

Abstract: Head structure for rotatably supporting shafts and the like, including fixed head bodies, each of which defines a seat for the accommodation of bearings which are connected to the shaft to be supported and which defines an axial cavity which rotatably accommodates a pin which can be removably coupled to an end of the shaft so that it rotates rigidly therewith. Each head body has a slider-like portion which can be moved to access the seats in a radial direction.

Abstract: A bearing assembly is mounted on an eccentric sleeve having a bore for receiving a rotatable shaft. After the bearing assembly is mounted on the eccentric sleeve, a counterweight lobe is mounted on the eccentric sleeve, abutting the bearing assembly, to control dynamic balance of the bearing and sleeve assembly and to restrain movement of the bearing assembly along the axis of the bore. The eccentric sleeve and counterweight lobe are keyed together to prevent relative rotation therebetween.

Abstract: A wheel bearing unit for vehicles having a speed of rotation detector. An inner ring of the wheel bearing unit is mounted on an axial shoulder of the wheel hub. The inner ring is retained axially by a bead formed by plastic deformation of the rear end of the shoulder. Elevations protrude axially rearwardly around the circumference of the bead. An axial depression into the rear of the hub at the hub axis. The passage of the elevations are sensed by a rotation detector spaced from the rear end of the hub.

Abstract: A bearing housing for a drive shaft of a front-wheel vehicle comprises a bearing housing composed of a bearing bracket and a bearing cap. The bearing bracket is provided with a first peripheral flange only on one axial side thereof so that the bearing can be inserted in one axial direction until it abuts the flange. The bearing cap has a corresponding second peripheral flange on at least the opposite axial side so that the bearing is completely fixed in both axial directions when the cap is mounted to the bracket.

Abstract: A pump impeller assembly comprises a pump journal, an impeller fixed to one end of the pump journal, and a pulley fixed to the other end of the pump journal. The pump impeller assembly further comprises a pump bearing including an outer race surrounding the pump journal with the pump journal being adapted to rotate with respect to the outer race. The pump impeller assembly includes a support plate fixed to the outer race and lying in a radial plane with respect to the pump journal. The support plate has a plurality of locking tabs adjoining its peripheral edge. The locking tabs are circumferentially spaced apart from one another with respect to the pump journal. The locking tabs are adapted to interlock with locking lugs formed on the inner surface of a pump housing wherein the locking lugs are adjacent to a pulley opening in the pump housing through which the pulley extends and are circumferentially spaced apart from one another with respect to the pulley opening.

Abstract: Bearing assembly carrying a radial collar (10) for retaining an interior ring element (4) of a bearing having two rows of rolling bodies (2) and which has at least one fastening flange (5), in which the inner face of collar (10) extends axially under ring element (4) by an axial support edge.

Abstract: A gimbal assembly including a first gimbal element; a second gimbal element located within the first gimbal element; a bearing assembly comprising a trunnion, the bearing assembly mounted between the first and second gimbal elements for supporting the second element within the first element in a manner to permit pivoting of the second element within the first element; and an adhesive layer bonding the trunnion to the second gimbal element.

Abstract: An outer race carrier (52) is constructed for receiving an outer race (26) of an antifriction bearing assembly (10). The carrier (52) in turn is slidably fitted in an opening (57) of a support wall to accommodate slight axial movements of a shaft (14). A plurality of longitudinal splines (54) on the carrier are disposed to be fitted into matching slots (56) in the opening (57). A deadband gap (60) is provided between sides of the splines and slots, with a radial gap (62) at ends of the splines and slots and a gap (59) between the splines and slots sized larger than the deadband gap. With this construction, operational distortions (slope) of the support wall are accommodated by the larger radial gaps (62, 59) while the deadband gaps (60) maintain a relatively high springrate of the housing. Additionally, side loads applied to the shaft are distributed between sides of the splines and slots, distributing such loads over a larger surface area than a race carrier (28) of the prior art.

Abstract: In a mounting for disk spindles, an embodiment is provided in which, despite simple construction and simple assembly of the bearing, a high degree of precision is obtained. The angle ball bearings in O-arrangement have outer rings (4) the race (4') of which has, in longitudinal section, a radius the center point (7) of which lies on the axis of rotation (8) of the inner races (2).

Abstract: A housing for a ball or roller bearing includes a first annular part and a second annular part which removably mate together to define a volume in which a bearing is housed and held. The two parts are provided with lugs and corresponding mating components so that when the two parts are offered up to one another and turned relatively to one another, the two parts interlock, O-rings being provided to preload the assembly. One of the parts is provided with a grease nipple.

Abstract: A release bearing assembly free from breakage and deformation, in which a force exerted from a release fork is not applied directly onto a sleeve. To this end, a cylindrical sleeve (7) guided by a guide (2) is not secured directly to a side plate (9) between an inner race (10) and the guide (2), as with a conventional structure. A cover (8) which has not hitherto been used, is used in the present invention. The cover (8) is secured to the side plate (9), and the cover (8) sandwiches the sleeve (7) in cooperation with a release bearing (6).

Abstract: A headset assembly attached to a bicycle for journaling a steering tube or a fork assembly within a head tube of the frame of the bicycle. The headset comprises upper and lower headset cups which are press fit within respective ends of the head tube. Each of the headset cups has a bore for receiving a respective cartridge bearing. Each of the headset cups has a rim with a radial slot and is designed such that the rim may clamp about a periphery of the respective cartridge bearings.

Abstract: A bearing has an inner ring coaxial to and rotatable relative to an outer ring. A central bore of the inner ring accommodates a multi-sided shaft in at least two positions that are angularly offset relative to each other. Each position provides a different fit between the inner ring and the shaft. A preferred embodiment has a 12-pointed star-shaped bore defined by the superposition of two hexagons of slightly different scale, to accommodate a hexagonal shaft in either of two positions. The second position provides a tighter fit between the bearing and the shaft without requiring tighter manufacturing tolerances.

Abstract: To achieve a dependable axial fastening of a flat cylindrical outer surface of the outer ring of a double row angular anti-friction bearing inside the smooth internal surface of the bore of the external housing in which the outer ring is disposed, the races for the bearing rolling elements, and which are either balls or tapered rollers, are oriented so that the resultant lines of bearing force extend from the rolling elements, converge and intersect the outer surface of the outer ring. The resultant lines of force converge at or radially outward of the outer surface of the outer ring. A respective pair of interruptions, in the form of annular grooves around the outer surface of the outer ring, and having sharp transition edges with the outer surface of the outer ring, are defined at both axial sides of and near to the intersection of a resultant line of force with the outer surface of the outer ring.