Abstract: A method of forming a bearing cage segment includes determining a path of a periphery of the bearing cage segment along a metal sheet, punching a plurality of openings in the metal sheet inside the path to form a plurality of pockets separated by a plurality of bridges and separating the bearing cage segment from the metal sheet at the path. The separating includes laser cutting first and second joint edges at a first end of the row and third and fourth joint edges at a second end of the row, where the first joint edge is spaced from the second joint edge in a length direction of the bridges and the third joint edge is spaced from the fourth joint edge in the length direction of the bridges.

Abstract: A method of forming a bearing cage segment includes punching a plurality of openings in a sheet metal band to form a plurality of pockets separated by a plurality of bridges, the bridges having a length direction transverse to a length direction of the band and having a width in the length direction of the band and having a thickness in a direction perpendicular the length direction and to the width, and laser cutting the sheet metal band along one of the plurality of bridges transversely to the length direction of the band to form a joint edge.

Abstract: A method for manufacturing a bearing cage includes providing a bearing cage blank made from a metal plate, the cage blank including a cylindrical flange extending from a disk-shaped wall, punching a plurality of first openings through the cylindrical flange in a first direction to form a plurality of snap surfaces, and punching a plurality of second openings through the cylindrical wall in a second direction opposite the first direction to form a plurality of pockets. The second openings intersect at least two of the first openings, and punching the pockets removes a body of material from between the at least two of the first openings. Also a bearing cage formed by the method.

Abstract: Wheel bearing assembly for motor vehicles, the assembly being provided with a wheel hub and a bearing unit in turn provided with a radially outer ring and at least one radially inner ring provided, respectively, with a first raceway and at least one second raceway, with at least one row of rolling bodies arranged between the radially outer ring and the at least one radially inner ring, and with a cage for containing the at least one row of rolling bodies; the wheel bearing assembly is moreover provided with sealing means integrated in the cage and provided with at least two radial contact lips made of elastomeric material, with at least one first radial lip in contact with the radially inner ring and with at least one second radial lip in contact with the radially outer ring.

Abstract: A cage for a constant-velocity ball joint is annular and has cage windows arranged spaced apart from one another along a circumferential direction for guiding balls of the constant-velocity ball joint; wherein each cage window has at least on one side a ball guiding surface facing in an axial direction. The cage can be produced by: a) providing a cage having cage windows; b) applying at least one compressive force via an outer circumferential surface of the cage, facing in a radial direction, in a first region of at least one ball guiding surface of at least one cage window; c) deforming the cage in the first region of the at least one ball guiding surface, so that the at least one ball guiding surface is displaced inwardly in the radial direction with respect to an adjacent second region of the cage.

Abstract: A sheet-metal bearing cage segment has a first ring section, at least one second ring section and a plurality of bridges connecting the first ring section and the at least one second ring section to each other such that a pocket for receiving at least one rolling element is formed between each circumferentially adjacent pair of the bridges. The first and/or second ring section includes at least one recess on the radially inner side and/or the radially outer side.

Abstract: A bearing cage segment of a sheet metal cage includes first and second sheet metal ring sections and bridges therebetween defining a plurality of pockets for receiving rolling elements. A first circumferential joint edge of the segment is configured to connect to a second circumferential joint edge of the segment or to a second joint edge of another segment, and the first joint edge includes at least one alignment element, such as a projection or contour, that is configured to align the first joint edge radially, axially and/or circumferentially against the second joint edge which may include a complementary alignment element such as a recess or complementary contour.

Abstract: A roller and cage assembly (1) includes a roller (2) and a cage (3). The cage has a plurality of annular portions (30), a plurality of pillars (31) that couple the plurality of annular portions, and a pocket (40) formed between adjacent pillars. The pillars include a protrusion (35) that protrudes from a side wall surface towards the pocket and contacts the roller, which side wall surface configures the pocket, and within the protrusion, a plane facing the roller in a circumferential direction has a first plane (36), and a second plane (37) connecting to the first plane, the first plane being a flat plane, and the second plane being a curved plane, or a flat plane inclined against the first plane.

Abstract: A ball bearing retainer holds balls disposed between an inner ring and an outer ring, in pockets formed at a plurality of portions, in a circumferential direction, of an annular body. The annular body includes: annular parts disposed on both sides in an axial direction; and pillar parts that are disposed at a plurality of portions in the circumferential direction and that connect between the annular parts. The pockets are formed by the annular parts and the pillar parts adjacent to each other in the circumferential direction, and allow ball guide. First contact portions of the pillar portions, which contact portions contact with the balls in the circumferential direction, are formed by first planes that extend along the axial direction, and the balls are guided by the first planes.

Abstract: A cage and roller assembly includes rollers and an annular cage. The cage includes annular portions having guide surfaces and cage bars that couple the annular portions together. Each of the cage bars includes a cage bar body provided in an axial center portion of the cage bar and having an oil reservoir bottom face on a radially outer side of the cage bar body, the oil reservoir bottom face located on a radially inner side with respect to the guide surface, and a detachment preventing portion provided at both axial ends of the cage bar body and having an outer claw that covers a part of the roller from the radially outer side. The detachment preventing portion is provided with an outer recessed groove configured as a passage for causing lubricating oil to flow toward the guide surface from the oil reservoir bottom face through the detachment preventing portion.

Abstract: A synthetic resin rolling bearing retainer is to be arranged between an inner ring and an outer ring of a rolling bearing. A plurality of guided portions protruding radially outward from an outer diameter surface of the retainer is provided along a circumferential direction of the outer diameter surface. Each of the guided portions has a guide surface protruding to be in sliding contact with the outer ring, a chamfered portion formed at an edge portion of the guide surface, and a groove portion formed at a portion of the guide surface in an axial direction. The guide surface and the chamfered portion have surface properties where an arithmetic average roughness Ra is 1.0 to 9.8 ?m and a maximum height Rt is 10.1 to 102.9 ?m. A parting line is provided radially inside the guide surface.

Abstract: A rotary unit of this motor has a plurality of magnets, a hollow shaft which has a tubular shape, and a ball nut. Each of the magnets is in contact with an outer surface of the hollow shaft. The ball nut is disposed on a radially inner side of the hollow shaft. At least a portion of the magnets, at least a portion of the hollow shaft, and at least a portion of the ball nut overlap in a circumferential direction. The hollow shaft and the ball nut are made of a magnetic material. An inner circumferential surface of the hollow shaft and an outer circumferential surface of the ball nut are in contact with each other.

Abstract: A retainer-equipped double-row needle-roller bearing includes a pair of annular end flange portions; a center annular center flange portion; and two rows of pillars connecting the portions to each other to provide pockets between mutually adjacent pairs of pillars in a circumferential direction for holding rollers in two rows. The center flange portion has an outer diameter (?D2), and the end flange portions have an outer diameter (?D1), in a relationship expressed as ?D2<?D1. When the retainer moves radially by an amount of gap associated with the rollers, the retainer is guided on the outer diameter surfaces of the end flange portions at two ends of the retainer, by the inner diameter surface of a housing. This stabilizes behavior of the retainer during rotation, reducing premature wear and abnormal noise.

Abstract: The invention relates to a method for producing a cylindrical component, particularly of turbomachines. In the process, a heated blank is provided. The blank is then formed to create a flat blank (2). The flat blank (2) is next bent and/or rolled to form a cylindrical half-shell (40).

Abstract: A rolling element guide cage having a ring element which is made from a sheet material and has an axial profiling produced using forming techniques and forms a plurality of successive rolling element guide structures in the circumferential direction. The ring element is composed of at least two flat material ring segments joined to one another successively in the circumferential direction, said segments being joined together in a manufacturing step which precedes the formation of the axial profiling.

Abstract: A roller bearing cage (1A) is configured such that a pair of ring parts (4, 6) axially separated from each other is connected by column parts (5) sliding on outer peripheral surfaces of rollers (RA), and pocket holes (P) are evenly formed to store and hold the rollers (RA) in a peripheral wall portion in a circumferential direction. The cage (1A) is manufactured such that a base body (2) including the ring part (4) and the column parts (5) with square columnar convexes (5A) and a connection body (3) including the ring part (6) with square holes (6A) are set as separate members.

Abstract: an axial cage (1) for cylindrical rolling bodies which substantially is formed of a thin-walled washer (2) with a W-shaped profile, the individual profile legs of which are formed by an inner radial rim (3) formed on the inner edge of the washer (2), an outer radial rim (4) formed on the outer edge of the washer (2) and a U-shaped center crimp (7) connected by way of inner and outer axial profile sections (5, 6) to the radial rims (3, 4) and having the same radial extent as the rims (3, 4). A number of evenly spaced rectangular cage pockets (8) are cut from the central crimp (7) and the adjacent axial profile sections (5, 6), between which pockets an equal number of pocket webs (9) are formed connecting the rims (3, 4) with one another, by which webs the cylindrical rolling bodies (10) are retained in the cage pockets (8) at uniform distances from one another and are also guided in the circumferential direction.

Abstract: A cage for separating rollers in a toroidal roller bearing. The cage comprises a first and second annular ring, a plurality of elongated axial members interposed between the first and second annular ring to thereby form a number of roller pockets. The cage further presents a portion extending radially inwardly on at least one of the first and second annular ring. The portion further extends in at least a part of the circumference of the at least one first and second annular ring. The radially outer peripheral surface of the annular ring presenting the portion presents axial grooves at least at the circumference having the portion, wherein each axial groove is located at the axial end face of each roller pocket in such a way that a roller can be inserted and pulled out via the axial groove into and out of each roller pocket.

Abstract: The invention concerns a method to produce a cage (1) for a rolling bearing (40), wherein the method comprises the steps of; —(10): providing an elongated metal profile (1) comprising a first and second distant ends (12, 13), wherein the metal profile (1) is essentially ring-shaped, —(20): subsequently joining the first and second ends (12, 13) of the metal profile (1) to thereby form a closed ring (1), —(30): forming in the closed ring (1) a plurality of openings (14) on at least one axial side face of the ring (1), wherein the openings (14) are meant to receive at least one rolling element (43) of the rolling bearing (40), and wherein the forming of the openings (14) is made by drilling from the axial side face of the ring (1). Furthermore, the invention regards a cage (1) and a rolling bearing (40).

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

Abstract: Characteristics of joint sections using rivets 11a that join flat sections 12a, 12b of a pair of cage elements are improved regardless of differences in the volumes of the rivets 11a. A head section 16a and a crimped section 19a of a rivet 11a comprise flange sections 23a, 23b and convex sections 24a, 24b. The inside surfaces of the flange sections 23a, 23b press against the outside surfaces of the flat sections 12a, 12b. The convex sections 24a, 24b have a truncated cone shape with the maximum diameter being on the flange section 23a, 23b side. The diameter d24 of the apex of the convex sections 24a, 24b is equal to or less than the inner diameter R15 of circular holes 15, and the outer diameter D23 of the flange sections 23a, 23b is equal to or greater than the outer diameter D24 of the bottom section of the convex sections 24a, 24b.

Abstract: A rolling element guide cage having a ring element which is made from a sheet material and has an axial profiling produced using forming techniques and forms a plurality of successive rolling element guide structures in the circumferential direction. The ring element is composed of at least two flat material ring segments joined to one another successively in the circumferential direction, said segments being joined together in a manufacturing step which precedes the formation of the axial profiling.

Abstract: A bearing cage for a rolling-element bearing includes a plurality of bearing cage segments configured to receive rolling elements in rolling-element pockets. Also included is at least one assembly wire, and each of the cage segments includes a coupling arrangement configured to thread the bearing cage segment onto the at least one assembly wire such that at least one rolling-element pocket is formed by two of the plurality of bearing cage segments adjacent in the circumferential direction that are threaded on the assembly wire. The bearing cage also includes an assembly device configured to convey an end of the assembly wire from an installation position to an axially far-side coupling arrangement of a bearing cage segment, through the axially far-side coupling arrangement of all bearing cage segments located on a bearing inner ring, and back again towards the installation position.

Abstract: A method for producing a holder in which sagging is suppressed in a bent part to be formed into a flange portion, without using bulge forming and a split mold that restrains the inside of a working target article; and a holder. An upper punch presses and bends one end portion of a working target article inward, whereby a flange portion is formed in the one end portion. A smaller-diameter portion of the working target article is restrained from the inside and outside by a lower punch and split mold portions. Then, a peripheral surface portion of a convex portion of the upper punch receives the end portion of the working target article and applies an outward pressure to the end portion. A bent part is pushed toward a larger-diameter portion restraining part of a split die, so that sagging is prevented from occurring in the bent part.

Abstract: The invention relates to a method for producing a rolling bearing cage for a rolling bearing comprising at least one row of rolling elements. In the method according to the invention, a ring or a ring element made of a metallic solid material is provided and shaped by a forming process and/or a cutting, material-removing process into an annular or segmented main body of the rolling bearing cage. The main body has openings for receiving a respective rolling element, the main body being heated to a temperature above a minimum coating temperature for thermal coating with a thermoplastic material powder, wherein the main body is then immersed in a fluidized bed containing the thermoplastic material powder, wherein thermoplastic material powder adheres to the main body, melts and forms a contiguous coating while the main body is present in the fluidized bed, and wherein, after the coating, the main body is removed from the fluidized bed.

Abstract: A method to produce a cage for a rolling bearing, wherein the method comprises steps of: providing an elongated metal profile comprising a first and second distant ends, wherein the metal profile is essentially ring-shaped, subsequently joining the first and second ends of the metal profile to thereby form a closed ring, forming in the closed ring a plurality of openings on at least one axial side face of the ring, wherein the openings are meant to receive at least one rolling element of the rolling bearing, and wherein the forming of the openings is made by drilling from the axial side face of the ring. Furthermore, the invention regards a cage and a rolling bearing.

Abstract: Each pipe member has a plurality of slits located at intervals in the circumferential direction of the pipe member, extending in the axial direction of the pipe member, and extending through the pipe member in the radial direction of the pipe member. The pipe members are passed through through-holes of the first annular member and through-holes of the second annular member aligned with the through-holes of the first annular member. After shaft portions of rivets are passed through the pipe members, opposite end portions of each rivet are swaged to compress the pipe member in its axial direction to expand the pipe member in its radial direction. Thus, the pipe members are pressed to the inner peripheral faces that define the through-holes of the first and second annular members.

Abstract: A bearing cage assembly comprising of a plurality of discrete bridge elements coupled between first and second cage support wire rings having selected tensions, and conforming to the surfaces of associated rolling elements. The discrete bridge elements maintain rolling element in separation, provide rolling element retention within the bearing assembly, and function as a lubrication reservoir for grease lubricated bearings. The discrete bridge elements may be disposed between adjacent rolling elements, or may be configured to pass through axial bores of hollow rolling elements.

Abstract: An object of the present invention is to provide a roller bearing cage suited in particular to a supersized roller bearing, wherein the cage (1A) is configured such that a pair of ring parts (4 and 6) axially separated is connected by a plurality of column parts (5) sliding on an outer peripheral surfaces of rollers (RA), and a plurality of pocket holes (P) is evenly formed in a circumferential direction to store and hold the rollers (RA) at a peripheral wall portion, wherein a base body (2) including one ring part (4) and the column parts (5) with engagement convexes (5A) at leading ends thereof and a connection body (3) including the other ring part (6) with engagement concaves (6A) for engagement with the engagement convexes (5A) of the column parts (5) are set as separate members.

Abstract: A method for producing a roller bearing cage (1) is provided, including the following steps: a base body (2) which is close to a net shape is produced by a stereolithography method or by a 3D-printing method, and the provided base body (2) is coated with a thin, nanocrystalline coating (3). A roller bearing cage, including a base body (2) and a nanocrystalline coating (3) fixed to the base body (2) produced by this method is also provided. This method is suitable for producing roller bearing cages in only small quantities in a small series.

Abstract: A method of manufacturing a roller cage for mounting rollers around a circle in a bearing includes a) making a roller cage blank of cylindrical form, b) cutting the cage blank on opposite diagonal sides to form two generally semi-cylindrical halves, c) re-assembling the two semi-cylindrical halves of the cage blank by releasably clamping adjacent cut edges of each semi-cylindrical half together, and d) either before or after the cutting step, forming pockets for mounting a set of rollers in the cage on a circle about the axis of the reassembled cage. The last step d) allows one to provide pockets which mount the rollers in the correct position relative to the axis of the bearing even though the two semi-cylindrical halves when re-assembled no longer form a circle.

Abstract: A radial cage in which side rings have a material thickness of a starting material for the radial cage, straight side sections of each axial crossbar are implemented with a greater material thickness that increases their strength, and an axial center section of each axial crossbar is implemented with a smaller material thickness than the material thickness of the side rings, thus reducing centrifugal mass.

Abstract: A manufacturing method of a roller bearing cage, including a cage main body formed with an annular plate, and a plurality of cage pockets opened along a circumferential direction on the cage main body for retaining rollers having flat end faces, includes punching an annular plate from a metal, forming a plurality of cage pockets on the annular plate, and pressing an edge of one of the cage pockets in a thickness direction of the annular plate on a side face of the one of the cage pockets with a press jig having a pressing face of a predetermined shape to form a chamfered portion.

Abstract: A rolling-element bearing cage includes two axially spaced-apart side rings extending in a circumferential direction. Each side ring is split in the circumferential direction along at least one cutting line, thereby defining bordering surfaces on first and second bearing cage sections. A plurality of connecting bridges connects the side rings in an axial direction. First and second pairs of mutually-opposing first projections and corresponding first openings are disposed on the side rings along the bordering surfaces of the first and second bearing cage sections and fix the bordering surfaces to each other in at least first and second directions that are perpendicular to each other. A pair of a second projection and a corresponding second opening is disposed axially between the first and second pairs of first projections and first openings and fixes the bordering surfaces to each other in a third direction perpendicular to the first and second directions.

Abstract: A roller cage for a rolling bearing, particularly a double roller cage for a cylinder rolling bearing, which has a ring web with axially extending webs. Every two adjacent webs delimit a receptacle pocket for a rolling element with a floor thereof being formed by the ring web. Each web has a radial outer and inner base side connected to each other by an axial outer face side. The face side of the radial outer base side is tapered toward the radial inner base side. To increase the rigidity of the webs with regard to trouble-free removal and installation of the rolling bearing, the radial inner base side is trapezoidal such that a web width of the radial inner base side increases from the face side to the floor of the receptacle pocket.

Abstract: A bearing cage assembly consisting of a plurality of discrete bridge elements coupled between first and second cage support wire rings having selected tensions, and conforming to the surfaces of associated rolling elements. The discrete bridge elements maintain rolling element in separation, provide rolling element retention within the bearing assembly, and function as a lubrication reservoir for grease lubricated bearings.

Abstract: An elastomeric bush bearing, with hydraulic damping, comprises a metallic inner part (1), an elastomeric bearing element (2) encompassing the inner part (1) with a cage (3) for reinforcing the bearing element (2) vulcanized thereto. At least two chambers (5), for accommodating a fluid damping medium, are separated from one another by partitions (8), constructed between the bearing element (2), adhesively bonded to the inner part (1) by the vulcanization, but are mutually connected by a damping medium channel (7). A prestressing is applied to the elastomer of the bearing element (2). However, the prestressing is not applied over the bearing shell (4), but instead over the cage (3). Calibration takes places thus by a pressure force exerted on the cage, before assembly of the bearing element (2) in the outer shell (4), which is a deviation from the state of the art.

Abstract: A roller bearing cage includes ring portions and pillar portions extend in an axial direction to connect the ring portions and disposed along a circumferential direction to define pocket portions. The pillar portion includes a bent portion formed in the vicinity of an axial center of the pillar portion so as to protrude radially inwards of the ring portions. A ring portion thickness is larger than a bent portion thickness; a pillar end portion thickness is larger than the bent portion thickness; and the pillar end portion thickness is equal to the ring, portion thickness or more, where the ring portion thickness is a radial thickness of the ring portion; the bent portion thickness is a radial thickness of the bent portion; and the pillar end portion thickness is a thickness of a portion of the pillar portion connected to the ring portion and in the vicinity thereof.

Abstract: A bearing cage for a rolling element bearing includes a plurality of individual bearing cage segments configured to respectively accommodate rolling elements in rolling element pockets formed by the bearing cage segments. Each bearing cage segment includes a first coupling device disposed on a first axial end thereof. A first lamellar support ring defines first and second ring halves that are connected to each other, are axially adjacent to each other are biased towards each other. The first ring half extends through the respective first coupling devices of the plurality of bearing cage segments and the second ring half is disposed on an axially-inner side or an axially-outer side of the first coupling devices such that the first coupling devices are clamped between the first and second ring halves.

Abstract: The invention relates to a first bearing arrangement (1) and a method for the manufacture thereof, with a first bearing ring (3) forming a structural unit (16) with a radially inwardly directed axial projection (11) with a radially outwardly directed resilient element (13) and a first running surface (5), and a second bearing ring (2) with a radially outwardly arranged axial projection (10) with a radially inwardly directed resilient element (12), with a second running surface (4), and a single-piece rolling body cage (6) which receives distributed over the circumference rolling bodies (8) which roll on the running surfaces (4, 5), wherein the rolling body cage (6) radially engages over the two resilient elements (12, 13).

Abstract: A ball retainer chain includes a flat belt with axially arranged holes defined thereon. A separating portion is disposed between every two holes; upper/lower spacers combine with the separating portion. The surface between the separating portion and the adjacent hole is formed by a smooth surface. Partial spacer is formed by a spherical surface that smoothly connected to the hole surface. The spherical surfaces interlacedly arranged at a right side a left side include an opening with a vertical direction and a lateral directions corresponding to the flat belt, so that a mold pair reliant on a slantwise opening and closing manner would complete an injection molding. A smooth cylindrical form at two ends of the flat belt connects to an indentation at an inner or a mold surface of the flat belt. Thereby, while applying the belt to a linear guide apparatus, the cylindrical form could adjustably bend inward or outward for achieving a fluent traveling.

Abstract: A method of manufacturing an outer retainer for a one-way clutch having an outward flange at one side edge thereof involves punching out a part of an annular portion having the outward flange by sliding a punch toward an axis of the outer retainer substantially in an axially inner direction from a retainer outer periphery-sided curve portion of the outward flange to a retainer inner periphery-sided curve portion thereof in a way that uses a die and the punch.

Abstract: The metallic mold 90 includes a product configuration portion 93 formed between an upper mold 91 and a lower mold 92. This product configuration portion 93 is composed so that a rolling element accommodating belt 50 formed by this product configuration portion 93 can include spacer portions interposed between balls adjacent to each other in an infinite circulating passage and also include connecting arm portions for connecting the spacer portions to each other and so that the balls can be aligned in the alignment direction in the infinite circulating passage. The upper mold 91 has a splitting structure. In this splitting structure, a splitting position BL is set at a position passing through a position 91t for forming an end portion on the outer circumferential side in the inner and outer circumferential direction of the infinite circulating passage of the spacer portions 51.

Abstract: A method of splitting a ring, such as a cage, for a bearing, such as a roller or ball bearing, includes splitting a ring in such a way that there are provided projections and recesses in the facing surfaces thereby produced. In this manner, the two halves of the split ring may be reassembled in opposite orientation so that the projections on the facing surfaces of the two halves of the ring engage one another to space the two halves of the ring apart and to restore the ring to a circular ring shape despite some of the material of the ring having been removed in the splitting process.

Abstract: A steel retainer (3), which retains needle rollers (2), is formed from a steel plate containing 0.15 to 1.10% by mass of carbon. After being formed, the steel plate is subjected to induction heat treatment which includes induction hardening and induction tempering. Such heat treatment can be carried out efficiently in a short period of time, using compact treatment facilities, even in small-lot production. The retainer (3) thus formed is sufficiently resistant to wear and surface damage, and is high in fatigue strength and fracture strength as a whole.

Abstract: A roller cage for a rolling bearing, particularly a double roller cage for a cylinder rolling bearing, which has a ring web with axially extending webs. Every two adjacent webs delimit a receptacle pocket for a rolling element, with a floor thereof being formed by the ring web. Each web has a radial outer and inner base side connected to each other by an axial outer face side. The face side of the radial outer base side is tapered toward the radial inner base side. To increase the rigidity of the webs with regard to trouble-free removal and installation of the rolling bearing, the radial inner base side is trapezoidal such that a web width of the radial inner base side increases from the face side to the floor of the receptacle pocket.

Abstract: A bushing-type roller overrunning clutch comprising at least an inner or an outer ring that comprises clamping ramps adapted to the needles or rollers, said overrunning clutch further comprising a cage for the needles or rollers, as also pressure springs, said cage comprising cage elements that are made in one piece with the inner or outer ring, and a method of making a bushing-type roller overrunning clutch in which the inner or outer ring together with the clamping ramps and at least one border arranged on one side of the clamping ramps is made by deep-drawing, spring-retaining lugs are cut out of the border, and the spring-retaining lugs are bent radially towards the inner or outer ring and the free-standing tabs of the spring-retaining lugs are bent over into the region of the clamping ramps.

Abstract: The metallic mold 90 includes a product configuration portion 93 formed between an upper mold 91 and a lower mold 92. This product configuration portion 93 is composed so that a rolling element accommodating belt 50 formed by this product configuration portion 93 can include spacer portions interposed between balls adjacent to each other in an infinite circulating passage and also include connecting arm portions for connecting the spacer portions to each other and so that the balls can be aligned in the alignment direction in the infinite circulating passage. The upper mold 91 has a splitting structure. In this splitting structure, a splitting position BL is set at a position passing through a position 91t for forming an end portion on the outer circumferential side in the inner and outer circumferential direction of the infinite circulating passage of the spacer portions 51.

Abstract: A constant velocity joint in the form of a counter-track joint. The circumferential length (L1) of the first cage windows for the balls in the first pairs of tracks is greater than the circumferential length (L2) of the second cage windows for the balls in the second pairs of tracks. This permits a method of assembly wherein first the first balls, one after the other, are mounted in first pairs of tracks which widen from the aperture end to the attaching end and wherein then the second balls, one after the other, are mounted in second pairs of tracks which widen from the attaching end to the aperture end. For mounting the second balls in the second pairs of tracks, only a small overarticulation angle is necessary, and thus a shorter circumferential length of the respective windows than there is required for mounting the first balls in the first pairs of tracks.

Abstract: It is desired to form a flange and roller guide surfaces on each retainer of a self-aligning roller bearing easily and with high precision. Each punched retainer include a large-diameter annular portion (1), a small-diameter annular portion (2), a plurality of bridges (3) extending between the annular portions (1) and (2) and defining a plurality of circumferentially separated pockets (4) therebetween, roller guide surfaces (1a) that can be brought into sliding contact with end surfaces of respective convex rollers (5), which revolve around the axis of the bearing, and a flange (6) formed by radially bending the large-diameter annular portion (1). The roller guide surfaces (1a) comprise punched sections formed on the portions of the inner peripheries of the pockets (4) located at the large-diameter annular portion (1), and the flange (6) has a Bent Portion® that extends the entire circumference of the large-diameter annular portion (1).