Abstract: A controller for vehicle air conditioner includes a base defining a mounting cavity; a knob assembly rotatably mounted to the base, wherein at least a portion of the knob assembly is located in the mounting cavity; and at least one bearing element arranged between the base and the knob assembly. Such a design reduces the friction between the base and the knob assembly and thus reduces the noise.

Abstract: A bearing cage is used for accommodating the rolling elements of a rolling bearing; wherein, the bearing cage comprises an annular cage base; when the bearing cage is inserted and installed in the rolling bearing, there is a first circumferential radial clearance between an outer circumferential surface of the cage base and an inner circumferential surface of an outer ring shoulder of an outer ring, and a second circumferential radial clearance between an inner circumferential surface of the cage base and an outer circumferential surface of an inner ring shoulder of an inner ring; the first circumferential radial clearance is smaller or larger than the second circumferential radial clearance. A rolling bearing comprises the bearing cage as described above.

Abstract: A rolling bearing including an outer ring, an inner ring, rolling elements interposed between the outer ring and the inner ring and a cage for retaining the rolling elements and provided with radial seats or pockets for housing the rolling elements. The cage is guided supportingly on the outer ring with which a first clearance (G1) is defined, while between the pockets and the rolling elements there is a second clearance (G2) such that they have a relative ratio of between about 0.4 and 1. The rolling elements may be balls and the pockets may be formed by radial through-holes, which are circular or square in shape.

Abstract: A turbomolecular pump has a housing, a rotor shaft supported by a plurality of bearings for rotation relative to the housing about an axis of rotation, a deflector, a lubricant supply system and a lubricant transfer device provided on the rotor shaft. The bearings include a rolling bearing that receives lubricant from the lubricant supply system to via the lubricant transfer device. The rolling bearing is disposed intermediate the lubricant transfer device and the deflector and the deflector is configured to deflect lubricant that passes through the rolling bearing outwardly with respect to the rotor shaft.

Abstract: The present invention provides bearing cage retainer for a rolling element rotor bearing in a vacuum pump. The bearing cage retainer being configured to have an operational arrangement in which, at the maximum longitudinal axial displacement limit of the outer race in the direction of the retainer, the bearing cage retainer is disengaged from the bearing cage, and a failure configuration characterised by the dislocation of the bearing cage by a longitudinal axial displacement of the bearing cage relative to the outer race in the direction of the retainer and in which the bearing cage retainer engages said bearing cage and the bearing cage maintains the separation of the rolling elements within the bearing.

Abstract: A vehicle wheel bearing device (1) is equipped with a cage (7) in which a pocket (Pt) is formed by adjacent pillar sections (7b) and a base section (7a) that is therebetween, and which retains a ball (8) in the pocket (Pt). Formed in the pillar sections (7b) are a claw portion (7e) and another short claw portion (7g) which project towards adjacent pillar sections, as well as a notched section (7i) cut toward the base section from the distal end radially inward of the claw portions of the pillar sections (7b). When viewed from the axial direction, the shortest length in the one claw portion (7e) to the center of the ball and the shortest length in the other short claw portion (7g) to the center of the ball are different.

Abstract: A ball bearing includes an inner ring, an outer ring, a plurality of balls rollably provided between the inner ring and the outer ring, and a cage configured to hold the plurality of balls at equal intervals in a circumferential direction. The cage includes a plurality of pockets configured to hold the balls. The plurality of pockets include at least two types of pockets including a first pocket and a second pocket. A gap on each of an outer circumferential surface side and an inner circumferential surface side of the cage between the ball and an inner circumferential surface of the second pocket is larger than a gap on each of the outer circumferential surface side and the inner circumferential surface side of the cage between the ball and an inner circumferential surface of the first pocket.

Abstract: A robot includes a flexible gear formed by a ferrous material containing at least one or more kinds of elements of Group 4 elements and Group 5 elements in a range from 0.01 percent by mass to 0.5 percent by mass. The ferrous material contains at least one of nickel-chromium-molybdenum steel, maraging steel, and precipitation-hardened stainless steel.

Abstract: An apparatus and method for a bearing assembly including a frame, an inner race circumscribing a shaft for a turbine engine, a bearing movable about the inner ring, an outer race circumscribing the at least one rolling element, a spring assembly comprising an inner ring circumscribing the at least one cage, and an outer ring mounted to the frame, and a set of circumferentially arranged spring fingers extending between the inner ring and the outer ring.

Abstract: Cages for ball bearings are disclosed. In one example, a ball bearing cage includes two side rings interconnected by webs. Rolling element pockets, each of which may have a square basic shape with rounded corners, may be formed in a circumferential direction between the webs. The side rings, together with the webs, may form a guide contour of each rolling element pocket. The pockets may have four convex side contours between the corners thereof, and the side contours may point in a direction opposite to rounded portions in the corners.

Abstract: A steering-wheel core and a method for casting the same capable of eliminating the need to perform finishing processing after casting and decreasing manufacturing cost even when the steering-wheel core is cast using a molten metal. The method for casting a steering-wheel core (100) includes: providing a protruding portion (92) in a surface (91) of an inner surface of a casting die (90), with the surface defining a nut seat surface; and causing a molten metal to hit on the protruding portion (92) when the molten metal flows into the casting die (90) such that a change occurs in the flowing direction of the molten metal flowing toward the surface (91) that defines the nut seat surface.

Abstract: An angular contact ball bearing cage includes a plurality of pockets. At least one (imaginary) sectional plane extends through a first pocket, and the sectional plane is located such that an axis of rotation of the angular contact ball bearing cage lies in the sectional plane. The axis of rotation is an axis about which the angular contact ball bearing cage is configured to rotate in operation. A geometric centerpoint of the first pocket lies in the sectional plane, and an intersection of the sectional plane and a side of the first pocket includes a first portion that is not linear and that does not lie on the surface of a cone.

Abstract: In a copper alloy machined cage for a thrust ball bearing, an inside surface of a pocket includes a cylindrical surface, a support surface which is continuous with the cylindrical surface and contacts a ball in an axial direction, and two protruding portions which are formed at an equal interval in a circumferential direction of the pocket, at a ball insertion side of the pocket which is opposite to the support surface in the axial direction and protrude from the cylindrical surface. The protruding portions prevent falling out of the ball from a ball insertion side opening of the pocket and are either elastically deformed or elastic-plastically deformed by the ball during insertion of the ball into the pocket.

Abstract: In a copper alloy machined cage for a thrust ball bearing, an inside surface of a pocket includes a cylindrical surface, a support surface which is continuous with the cylindrical surface and contacts a ball in an axial direction, and two protruding portions which are formed at an equal interval in a circumferential direction of the pocket, at a ball insertion side of the pocket which is opposite to the support surface in the axial direction and protrude from the cylindrical surface. The protruding portions prevent falling out of the ball from a ball insertion side opening of the pocket and are either elastically deformed or elastic-plastically deformed by the ball during insertion of the ball into the pocket.

Abstract: A ball bearing unit for a turbocharger according to an embodiment includes: an outer ring, a first inner ring, a second inner ring, a first machined retainer and a second machined retainer. The outer ring has an inner peripheral surface provided with an outer ring raceway surface at one end side and an outer ring raceway surface at another end side. At least one of the first machined retainer and the second machined retainer includes a plurality of pockets that hold the plurality of balls in a rollable manner in a circumferential direction. Each of the pockets has a diameter of equal to or more than 1.03 times and equal to or less than 1.07 times of a diameter of the balls.

Abstract: In a bearing for vertical axis windmill configured to rotatably support a vertical axis of a vertical axis windmill, the bearing includes a ball (7), a diameter of the ball and a curvature of a rolling groove of the bearing are set to satisfy a predetermined starting torque and a load rating. For example, the curvature of the rolling groove of the bearing is 54% or more and 100% or less, and the diameter of the ball has a ratio of 20% or less with respect to a vertical shaft (2).

Abstract: A retainer includes two annular retaining plates combined with each other, and each having semispherical bulging portions arranged at predetermined intervals along a circumferential direction of the retainer. The semispherical bulging portions, which face each other, form a pocket having a ring-like shape, for retaining a ball. The pocket includes a ball non-contact portion formed in a ball facing surface of the pocket at a center portion in a pocket axial direction, the ball non-contact portion being defined by a recess extending in a pocket circumferential direction. The following relationship is set: A/(B+C)=0.70 to 0.90, where “A” represents a pocket circumferential length of the ball non-contact portion, “B” represents a diameter of the ball, and “C” represents a gap formed between the ball and the ball facing surface of the pocket.

Abstract: An annular bearing cage for a roller bearing of a turbine machine rotating shaft is provided. The bearing cage includes a vibration damping ring corresponding to deformation modes of the bearing cage, and at least one external rim. The external rim includes an at least partially annular housing that extends around a central axis of the bearing cage. The damping ring is located in the housing.

Abstract: The present subject matter is directed to a bearing assembly for a wind turbine. The bearing assembly includes an outer race, an inner race rotatable relative to the outer race, a plurality of rolling elements positioned between the inner and outer races, and a cage assembly configured to maintain separation between neighboring rolling elements. The cage assembly includes a plurality of cage elements and a plurality of spacers. Each of the cage elements are separated by at least one of the spacers. Further, each of the cage elements extends around at least a portion of the plurality of rolling elements. Moreover, at least one of the spacers contact one or more of the rolling elements.

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 for a bearing assembly formed with cantilevered arms, the arms flexibly adjusting to contact with a guide surface of an inner or outer ring of a bearing. Lubrication channels in a surface of the cage are also disclosed.

Abstract: A retainer includes two annular retaining plates combined with each other, and each having semispherical bulging portions arranged at predetermined intervals along a circumferential direction of the retainer. The semispherical bulging portions, which face each other, form a pocket having a ring-like shape, for retaining a ball. The pocket includes a ball non-contact portion formed in a ball facing surface of the pocket at a center portion in a pocket axial direction, the ball non-contact portion being defined by a recess extending in a pocket circumferential direction. The following relationship is set: A/(B+C)=0.70 to 0.90, where “A” represents a pocket circumferential length of the ball non-contact portion, “B” represents a diameter of the ball, and “C” represents a gap formed between the ball and the ball facing surface of the pocket.

Abstract: A rolling includes an inner race and an outer race, which rotate relative to each other, balls, which are interposed between the inner and outer races, and a retainer, which is arranged between the inner and outer races, for retaining the balls equiangularly. The retainer includes two annular members facing each other in an axial direction and having opposing surfaces each including hemispherical pockets formed in a plurality of circumferential positions, for receiving the balls, the two annular members being coupled together so that the opposing surfaces are brought into abutment on each other. A flange portion extends radially and is provided on a radially inner or outer side of an axial end portion of each of the two annular members.

Abstract: The cage for a rolling bearing intended to ensure the circumferential spacing of a row of balls is provided. The cage provides at least two groups of pockets for the balls each provided with means for axially retaining the cage on the associated ball. A first range of axil play is provided between the pockets of a first of the at least two groups and associated balls. A second range of axial play is provided between the pockets of a second of the at least two groups and associated balls. The values of the ranges are different from each other.

Abstract: A cage for a rolling bearing which cage is intended to ensure the circumferential spacing of a row of rolling elements and comprises first pockets 28 for first rolling elements of the row, which pockets are provided with axial retention means 38, 46 for the axial retention of the cage onto the said rolling elements, and second pockets 26 for the second rolling elements of the row, which pockets have no axial retention means for retaining the cage on the said rolling elements. The distribution of the first pockets 28 about the periphery of the cage is uneven.

Abstract: A rolling bearing which has excellent performance at high-temperatures and has high-speed durability and quietness, is capable of effectively preventing hydrogen brittleness-caused peeling from occurring on a rolling surface thereof, and has a low environmental load. The rolling bearing (1) is constructed of an inner ring (2) having a rolling surface on its peripheral surface, an outer ring (3) having a rolling surface on its inner peripheral surface, a plurality of rolling elements (4) disposed between both rolling surfaces, and a cage (5) retaining the rolling elements (4). The inner ring (2), the outer ring (3), the rolling elements (4) or the cage (5) are metal-made bearing members. Film-coating treatment is conducted on a sliding surface or a rolling surface of at least one of these metallic bearing members with plant-derived polyvalent alcohol compounds such as curcumin, quercetin, chlorogenic acid or the like.

Abstract: A retaining cage for the rolling elements of a rolling-contact bearing, having an annular body featuring seven pockets capable of restraining seven respective rolling elements of a rolling-contact bearing, the rolling elements being spaced apart around a center (O) of the cage, the pockets being spaced from one another according to the following values of angular spacing between two consecutive pockets: 48.3°; 48.5°; 51.2°; 51.8°; 53°; 53.5°; 53.7°.

Abstract: A cage holds a plurality of balls such that the balls are arranged at intervals in the circumferential direction. The cage is allowed to be in contact with an outer ring, and a portion of the outer ring, with which the cage is brought into contact, is only an inner periphery raceway groove. The cage is located so as to be apart from an inner ring.

Abstract: A wheel rolling bearing unit capable of preventing grease leak even if the interference of the sealing member for sealing the clearance between the inner and outer rings is made small. The wheel rolling bearing unit according to the present invention is equipped with an inner shaft; an outer ring disposed concentrically on the outer peripheral side of the inner shaft; a plurality of balls disposed between these; and a pair of cages for retaining the balls in the circumferential direction. On the inner peripheral surface of each of the pair of cages, a concave section being dented to the outside in the radial direction to hold grease is formed in the range from the axial outside end section to the inside end section.

Abstract: A roller bearing comprises an inner ring, an outer ring and an annular cage. The annular cage retains and guides at least one roller body. The annular cage comprises at least one pocket for retaining the roller body and at least one retaining rim disposed on one axial end of the pocket. The retaining rim extends at least in the radial direction relative to a main body of the cage.

Abstract: An angular contact bearing including an inner ring and an outer ring. Each ring includes a raceway. A plurality of balls are in rolling contact with the raceways. The bearing includes a retainer having a width being the distance between a first side and a second side of the retainer, an outer surface extending between the first side and the second side and an inner surface opposing the outer surface. The retainer also has a central portion having a first thickness T1, and tapered portions each having a second thickness T2. Each tapered portion 1) extends from one of said sides to said central portion up to 28% of the length of said retainer width, 2) tapers towards the inner surface of the retainer at an angle of 20° or less relative to said central portion, and 3) tapers away from the inner diameter surface of the outer ring.

Abstract: It is an object of the present invention to provide a resin composition whose flowability is secured when the resin composition is injection-molded into injection-molded articles such as a resin-made crown-shaped cage and a resin-made seal both for a rolling bearing and a resin-made sliding bearing and which is capable of enhancing the mechanical strengths and toughnesses of these injection-molded articles to such an extent that these injection-molded articles can be used as bearing members. The resin composition is formed into a molded article and used as a bearing member. The resin composition is composed of polyamide resin or polyester resin to which polycarbodiimide is added. The polyamide resin is at least one resin selected from among polyamide 66 resin and polyamide 11 resin. The polyester resin is polytrimethylene terephthalate resin. 0.5 to 6 wt % of the polycarbodiimide is contained in an entirety of the resin composition.

Abstract: A process for producing a graphite cage for an anti-friction bearing, which cage holds a plurality of anti-friction elements. A cage injection molding is injected in an injection molding process from a mass which contains carbon mesophase powder, and this cage injection molding is subsequently heat-treated in order to transform the carbon from the mesophase into pure graphite.

Abstract: A tape-shaped product and a belt for a ball chain are provided. A tape-shaped product of synthetic resin includes a tape of a thermoplastic resin, and a preliminarily stretched fibrous member of a thermoplastic resin contained therein along longitudinally parallel edges or in proximity thereto of the tape. A belt for a ball chain, includes a tape-shaped product of synthetic resin formed by injection molding, together with a fibrous member as an insert of a resin of the same kind as that of the fibrous member so that the fibrous member is disposed along the longitudinal edges or in proximity thereto, ball-insetting holes are disposed at equal intervals, and ball-retaining projections are disposed around the holes.

Abstract: A multi-row rolling bearing, which has a cage for rows of rolling elements that is detachably connected to a respective adjoining cage. For assembly and safety of assembly, the detachable connection between the cages is at least one predetermined breaking point.

Abstract: A tandem rolling bearing including a first rolling element subassembly and a second rolling element subassembly is provided. The subassemblies both include a plurality of rolling elements and a cage. The cages each include a ring and a plurality of axial projections having axial free ends. The free ends of the cages in the first and second subassemblies face each other. Rolling element retaining pockets are defined between adjacent pairs of projections in the cages. The projections include pairs of lugs that, together with a partially spherical retaining surface provided between the projections of each of the pockets, contact and retain the rolling elements in the pockets.

Abstract: A retainer provides torque reduction. The retainer is formed by two annular retaining plates each including semispherical swelling portions arranged at predetermined intervals along a circumferential direction. The semispherical swelling portions face each other and form pockets for retaining balls. Each of the pockets has ball-facing surfaces each including a ball non-contact portion, and a contact area in each of the pockets with respect to each of the balls is reduced by from 15% to 30% by the ball non-contact portion. Each of the seal members serves as a contact seal having a seal lip portion coming into contact with another of raceway, and a material of at least a distal end of the seal lip portion includes a high-abrasion material which is prone to abrasion.

Abstract: A ball roller bearing, which has an outer and inner bearing ring with a groove-shaped raceways and ball rollers, which roll between the bearing rings in the raceways. The rollers are held at distances from each other in the circumferential direction by a bearing cage and which have a width that is dimensioned larger than the radial distance between the inside and the outside of the bearing rings. The raceways are divided into two segments by an axially centered annular groove such that a first ball roller rolls on two first diagonally opposed track segments and a second ball roller rolls on two second diagonally opposed track segments of the bearing rings. Both bearing rings are single-piece components, and the bearing cage is formed by two identical double prong-type cages acting independently of each other. The bearing is filled with the ball rollers by an axial tilt cam assembly method.

Abstract: A multiple-row ball bearing arrangement, which has at least one inner bearing ring and at least one outer bearing ring which are coaxially disposed on a longitudinal axis. The multiple-row ball bearing arrangement also has a plurality of balls disposed between the inner and the outer bearing rings in at least one first ball row and a second ball row adjacent to the first ball row, and a first cage for guiding the balls of the first ball row and a second cage for guiding the balls of the second ball row. The first and the second cage each have a first and a second cage side ring. The first cage side ring of the first cage and the second cage side ring of the second cage are adjacent to each other and, at least in some sections, are arranged so as to overlap along the longitudinal axis.

Abstract: The rolling bearing cage is intended to provide the circumferential spacing of a row of rolling elements and comprises first pockets 32 for first rolling elements of the row, these pockets being provided with axial retention means 34 for retaining the cage on the rolling elements, second pockets 24 for second rolling elements of the row and not provided with axial retention means for retaining the cage on the rolling elements, and separation portions 22, 30 which between them delimit first and second pockets. Each separation portion 30 delimiting one of the first pockets comprises a notch 40 which is open axially and opens radially onto each side of the separation portion.

Abstract: The present invention provides a rolling bearing capable of suppressing the generation of retainer noise and abnormal vibration by specifying the circumferential width of axial grooves formed on the guide face of an outer ring guide retainer or an inner ring guide retainer. In a rolling bearing 1 according to the present invention, axial grooves 13 are formed on the outer circumferential face of the outer ring guide type retainer 10 thereof.

Abstract: Rolling bearing cage (5) for an electric steering system of a motor vehicle, designed to ensure the circumferential spacing of the balls (4), comprising a plurality of first sockets (8) provided with means (8a) for axially retaining the cage (5) on a ball (4) and a plurality of second sockets (9) without means for axially retaining the cage (5) on a ball (4). Each of the first sockets (8), with a ball (4) housed in the first corresponding socket (8), has a first axial clearance, a first radial clearance and a first circumferential clearance (J1c) and each of the second sockets (9), with a ball (4) housed in the second corresponding socket (9), has a second axial clearance, a second radial clearance and a second circumferential clearance (J2c).

Abstract: An antifriction bearing for a turbocharger, which has an outer ring with an annular inner face and an inner ring with an outer face which is parallel to the inner face, and a rolling body cage with a single annular part arranged radially between the outer and inner ring with one cage guiding face which is parallel to the inner face of the outer ring and an inner surface which is parallel to the outer face of the inner ring, and with closed rolling body pockets which are distributed over the circumference and rolling bodies received in the pockets. To provide hydraulic damping and reduced friction, the annular part is provided in the region of the cage guiding face with at least one radial recess outside the rolling body pockets, which can be formed by apertures, cutouts or grooves in the cage guiding face.

Abstract: A rolling element guide for a bearing assembly comprising of a steel or other metal skeleton overmolded with a plastic material.

Abstract: A roller bearing which has an outer and inner ring and ball rollers arranged between the rings, which roll in two groove-shaped tracks in the outer and inner rings and are held at a uniform distance to one another by a window cage that has two lateral ribs bent around two circumferential flanged edges to the inner ring and interconnected by pocket bridges. The cage pockets of the cage ribs have a hole formed from a cross-sectional contour of a ball roller arranged longitudinally to the circumferential direction and from a free contour incorporated therein and arranged perpendicular to the circumferential direction. The free contour in each cage pocket is expanded to a rectangle and the flange edges of the ribs each have reduced material thickness compared to the other material thickness of the cage by a circumferential, line-shaped burnishing.

Abstract: An improved skateboard or roller-skate truck and wheel bearing assembly is disclosed containing an axle bearing yoke, base, grommet, and wheel and bearing combination which delivers improved steering precision, steering control, and wheel alignment. A grommet in the truck includes a bearing surface on a face which engages a bearing member in the yoke and restricts arcuate movements of the yoke and wheels. The contours of the grommet are also unique and contribute to steering control. The wheel and bearing combination incorporates paired bearing casings with bell-shaped members in their ends which meet each other inside a wheel of the board or skate and self-adjust to accommodate imperfections in the bearing seat levelness, bearing seat spacing, axle diameter and axle straightness.

Abstract: A retaining cage for the rolling elements of a rolling-contact bearing, having an annular body featuring seven pockets capable of restraining seven respective rolling elements of a rolling-contact bearing, the rolling elements being spaced apart around a centre (O) of the cage, the pockets being spaced from one another according to the following values of angular spacing between two consecutive pockets: 48.3°; 48.5°; 51.2°; 51.8°; 53°; 53.5°; 53.7°.

Abstract: A rolling bearing assembly and a crown shaped retainer, in which the rotating torque of the bearing assembly can be reduced with no limitation in use of the bearing assembly and with no need to modify the grease and the sealing member are provided. The rolling bearing assembly includes a plurality of balls interposed between inner and outer rings, and a retainer for retaining the balls. The retainer is of a crown shaped configuration including a retainer ring body having one side face formed with pockets, each having a portion with an opening, defined at respective locations in a circumferential direction for accommodating therein the balls; a grease reservoir depressed portion provided between the neighboring pockets in the circumferential direction of the retainer ring body for reserving a grease; and a communicating port for communicating the grease reservoir depressed portion and the pocket.

Abstract: A rolling bearing includes an outer ring, an inner ring, balls and a cage. The cage includes an annular portion which is disposed at the end portion in the axial direction thereof, and a plurality of pillar portions which protrude to the coaxial direction from the side surface on the one side in the axial direction of the annular portion and are arranged in the circumferential direction thereof so as to form therebetween pockets each for housing a rolling element, wherein a seal gap for restricting the flowing of lubricant is formed between the first annular portion and one of or both the outer ring and the inner ring not guiding the cage.

Abstract: An angular contact ball bearing, and a method for lubricating the same, has multiple ball pockets connected to an annulus channel via at least one hole that allows a fluid to flow from the annulus channel to the ball pockets.