Entries |
Document | Title | Date |
20080310787 | Rolling bearing apparatus - A rolling bearing apparatus is provided that rotatably supports a cam shaft in a cylinder head of an engine. The rolling bearing apparatus includes a plurality of rolling elements; a cage that positions the rolling elements so as to be spaced at regular intervals from each other in a circumferential direction and that retains the rolling elements in a freely rotatable manner; a shell-type outer ring configured to receive the rolling elements and the cage and having a raceway surface of the rolling elements at an inner side thereof; and an outer ring fastening member formed of a material having almost the same thermal expansion coefficient as the shell-type outer ring and having a press-fit portion press-fitted to the shell-type outer ring. | 12-18-2008 |
20090003750 | ROLLER BEARING - A roller bearing includes: an outer race; a cage surrounded by the outer race and including two cage rings and a plurality of pillars interconnecting the cage rings and displaced angularly from each other to define a plurality of roller-receiving spaces thereamong, each of the cage rings being formed with a plurality of retaining holes, each of which is in spatial communication with a respective one of the roller-receiving spaces; a plurality of primary rollers received in the roller-receiving spaces, respectively; and a plurality of urging members, each of which is received in a respective one of the roller-receiving spaces and each of which extends into a respective axially aligned pair of the retaining holes in the cage rings. | 01-01-2009 |
20090046973 | Bearing retention method and apparatus - An apparatus for retaining a bearing member within a bore defined by a gear member is provided. The apparatus includes an outer bearing race defining at least one radially extending notch. A tab portion formed on the gear member and extending generally axially therefrom is also provided. The tab portion is deformable to be received within at least a portion of the at least one radially extending notch. The tab portion is operable to limit axial and rotational movement of the outer bearing race within the bore when the tab portion is deformed. A method of retaining the bearing member within the gear member is also provided. | 02-19-2009 |
20090074345 | Rolling Bearing, Retainer Segment and Main Shaft Support Structure of Wind-Power Generator - A rolling bearing ( | 03-19-2009 |
20090080825 | Angular contact ball bearing - An angular contact ball bearing includes: an inner ring including a shoulder portion-side end surface; an outer ring which includes a counterbore-side smaller-diameter portion and a counterbore-side end surface disposed axially inwardly of the shoulder portion-side end surface of the inner ring; a plurality of balls arranged in a circular row between the outer ring and inner rings; a cage for holding the balls; and a cylindrical guide portion which is provided at and communicates with the counterbore-side smaller-diameter portion and guides a ball-cage assembly in which the balls and the cage are assembled together when the ball-cage assembly is inserted into the outer ring. When the ball-cage assembly is inserted into the outer ring disposed horizontally, the ball-cage assembly is supported by the counterbore-side smaller-diameter portion and is prevented from being inclined by the guide portion. | 03-26-2009 |
20090129716 | Heat-Resistant, Oil Resistant Rolling Bearing and Rolling Bearing for Use in a Compressor of a Refrigerating Machine - An object is to provide a heat-resistant, oil-resistant rolling bearing which prevents release of low molecular weight polymers, additives and colorants that remain in trace amounts in the resin retainer from the resin body, thereby preventing deterioration of lubricating oil, and particularly a rolling bearing for use in a compressor of a refrigerating machine which prevents deterioration of refrigerating machine oil and which does not impair the function of capillary tubes of the refrigerating cycle. | 05-21-2009 |
20090208161 | CAGE SEGMENT FOR THE CAGE OF A ROLLER BEARING - The invention relates to a cage segment for the cage of a roller bearing, having at least two peripheral sections extending in the peripheral direction and at least two connecting sections. The peripheral sections and the connecting sections form at least one pocket for receiving a rolling body. The cage segment has a coupling unit which connects the front of the cage segment to another cage segment. | 08-20-2009 |
20090245711 | Rolling Bearing Cage, Ball Bearing and Roller Bearing - A multilayer film | 10-01-2009 |
20090304321 | CAGE FOR A ROLLER BEARING AND METHOD OF PRODUCING THE SAME - A cage for a roller bearing comprises a base body with a plurality of pockets for the reception of the roller elements of the roller bearing. At least a part of the surface of the base body is coated with a layer consisting of or containing fullerene-like carbon nitride (FL-CNx), wherein an inter-layer of chromium (Cr) or aluminium (Al) or molybdenum (Mo) or titanium (Ti) or tungsten (W) or a diamond-like coating (DLC) or a metal-mix diamond-like coating (Me-DLC) is arranged between the surfaces of the base body and the layer consisting of or containing fullerene-like carbon nitride. | 12-10-2009 |
20100008615 | ROLLERS WITH RETAINER - A retainer comprises a roller retaining click which is bent from an inner diameter edge of a rib portion toward the inside in an axial direction and extends so as to protrude and positioned between adjacent rollers. A part of the retainer other than the roller retaining click is hardened by high-frequency quenching and high-frequency tempering. | 01-14-2010 |
20100034495 | Bearing and method of producing the same - A bearing comprises at least one inner ring and at least one outer ring. At least a part of the surfaces of the inner ring and/or the outer ring is coated with a layer consisting of or containing fullerene-like carbon nitride (FL-CNx), and wherein an inter-layer of chromium (Cr) or aluminium (Al) or molybdenum (Mo) or titanium (Ti) or tungsten (W) or a diamond-like coating (DLC) or a metal-mix diamond-like coating (Me-DLC) is arranged between the surface of the inner ring and/or the outer ring and the layer. | 02-11-2010 |
20100046877 | ROLLING ELEMENT BEARING WITH REDUCED CAGE POCKET CLEARANCE - The invention relates to a rolling element bearing comprising a cage with cage pockets for guiding rolling elements which are guided in the cage pockets with an axial play at least in the axial direction of the rolling element bearing, thereby defining an axial cage pocket clearance. The invention is characterized in that the cage pocket clearance in a plurality of cage pockets ranges between 0.07 millimeter and 0.17 millimeter. | 02-25-2010 |
20100104234 | ROLLING BEARING HAVING A BRAKING DEVICE - A rolling bearing which has a braking device, particularly a rotational connection, with an outer bearing race and an inner bearing race between which rolling bodies are in rolling motion on associated tracks. In order to produce a braking effect using frictional engagement, a displaceable braking element connected to one of the bearing races is pressed against a counter surface connected to the associated other bearing race and the frictional engagement may be removed with the aid of an electromagnet. The braking element is disposed as an integral bearing component inside one of the bearing races and is pressed against the counter surface by spring force, and the electromagnet encompasses one of the bearing races as the soft iron core and a coil surrounding the soft iron core. | 04-29-2010 |
20100111460 | MULTI-PART AXIAL CAGE FOR A LARGE-DIAMETER ROLLER BEARING - A multi-part axial cage for a large diameter roller bearing, which has a metal strip which is connected to plastic cage windows. The metal strip is configured as a washer-ring-type flat cage and each cage window has a sealing element on the edge lying opposite the guiding edge. The element covering an axial gap is formed between the races of the roller bearing. The sealing elements of the individual cage windows overlap around the circumference. | 05-06-2010 |
20100119188 | BEARINGS - A bearing structure, for example of a needle roller bearing, has an outer surface defined in part by a composition comprising a first polymeric material having a Rockwell hardness (m scale) in the range 80 to 130. Preferred materials are polyaryletherketones, for example polyetheretherketone. | 05-13-2010 |
20100129021 | ROLLING BEARING - It is an object of the present invention to provide a rolling bearing in which a film formed on a surface of a retainer is difficult to peel or a metal component is difficult to dissolve even when the rolling bearing is used in environment where the rolling bearing contacts lubricating oil containing sulfur-based additives. A rolling bearing ( | 05-27-2010 |
20100142875 | Rolling bearing device - A rolling bearing device includes: an outer ring that has outer ring raceway grooves formed on an inner peripheral surface of the outer ring and a counter bore portion that is provided on an outer side of the outer ring raceway grooves in an axial direction; an inner ring member that has inner ring raceway grooves formed on an outer peripheral surface of the inner ring member; and a plurality of rolling elements that are interposed between the outer ring raceway grooves and the inner ring raceway grooves so as to freely roll and that are in contact with the inner ring raceway grooves of the inner ring member and the outer ring raceway grooves of the outer ring at a predetermined contact angle. A lubricant reservoir portion that stores lubricant is formed at a portion in the outer ring raceway grooves adjacent to the counter bore portion. | 06-10-2010 |
20100166355 | METAL CAGE FOR ROLLER BEARING - Metal cage for roller bearings, comprising two cage side parts, between which the rollers are held, wherein a plurality of holding elements which permanently connect the cage side parts to one another are arranged essentially parallel to the rotational axis of the rollers which are held between two holding elements, are not rotatably mounted on the cage side parts and are spaced apart from the holding elements. | 07-01-2010 |
20100220951 | ROLLER BEARING - The invention relates to a roller bearing, with an inner running ring, an outer running ring, several roller bodies arranged between the running rings and guided in a bearing cage, whereby the bearing cage has axially aligned cage pins evenly distributed around the circumference, each fixed at one end to a cage ring on each of which a roller body is arranged to rotate on a central bearing drilling. According to the invention, the operating properties of the roller bearing may be improved, whereby the roller cage is provided at each cage pin with at least one passive positioning element, by means of which the offset of the corresponding roller body may be altered by means of a temperature-dependent change of shape of the positioning element. | 09-02-2010 |
20100254646 | Bearing, and Methods of Handling the Bearing - The invention comprises a bearing ( | 10-07-2010 |
20100254647 | SEALING DEVICE, ROLLING BEARING AND ROLLING BEARING FOR WHEEL - The invention provides a sealing device, a rolling bearing and a rolling bearing for a wheel, in which a torque can be reduced, and also the air and lubricant are less liable to escape from the interior of the bearing to the exterior of the bearing, and the air and foreign matters are less liable to intrude into the bearing from the exterior of the bearing. | 10-07-2010 |
20100254648 | Rolling bearing of oscillation roller and oscillation method of roller - This invention improves a rolling bearing fitted to a shaft supporting section of a roller to realize an oscillation roller. A rolling bearing to be fitted to one of the shaft supporting sections of a roller comprises a collared inner ring and a collared outer ring and a plurality of cylindrical rolls arranged between the inner ring and the outer ring as rolling members and the transversal distance of the surface of the inner ring and/or that of the surface of the outer ring facing the raceway surfaces of the cylindrical rolls is made greater than the axial length of the cylindrical rolls to make the inner ring and/or the outer ring, whichever appropriate, of the rolling bearing axially movable so as to allow the roller to oscillate. As the roller moves axially, the inner ring, the outer ring or the cylindrical rolls moves axially. | 10-07-2010 |
20100278470 | Retaining Element for a Roller Bearing - A retaining element is disposed between two adjacent roller bodies of a roller bearing having an inner ring and an outer ring. The inner ring has an inner ring track with an inner radius and the outer ring has an outer ring track with an outer radius. Center points of the roller bodies are disposed along a pitch circle having a pitch circle radius. The retaining element extends radially inward from the pitch circle over at least 90% of the difference between the pitch circle radius and the inner radius and extends radially outward from the pitch circle over up to 50% of the difference between the outer radius and the pitch circle radius or vice versa. | 11-04-2010 |
20100278471 | ROLLER BEARING RETAINER AND NEEDLE ROLLER BEARING - A roller bearing retainer ( | 11-04-2010 |
20100278472 | ROLLER BEARING RETAINER, NEEDLE ROLLER BEARING, AND PRODUCTION METHOD OF ROLLER BEARING RETAINER - A roller bearing retainer | 11-04-2010 |
20100303397 | RADIAL NEEDLE BEARING UNIT - A radial needle bearing unit for supporting a shaft, which has an outer sleeve with at least one radially inwardly directed rim and a cage guiding hearing needles. For sealing purposes, a sealing element is disposed in an annular space delimited by the rim and the cage. The sealing element is an outwardly expanding sealing ring made of a polymer material resting radially outwardly against the inner lateral surface of the outer sleeve and radially inwardly against the lateral surface of the shaft so that a radial/radial seal is formed. The outer sleeve has, at least in one peripheral location, a holding lug which is formed by stamping or cutting and protrudes the lateral surface of the outer sleeve in a spring-loaded manner. | 12-02-2010 |
20100303398 | BEARING UNIT - A bearing unit which has a bearing shell with a projection which plastically deforms a bore of an adjacent component, on assembly, to produce a recess, thereby securing the bearing shell against being axially displaced in the direction of a bearing axis and from being twisted in the peripheral direction. The position and anti-twist locking effect is thus achieved by producing a recess in the adjacent component in which recess the projection is accommodated in a positive fit. The bearing unit is preferably used for bearing a starter shaft in a starter of a motor vehicle. | 12-02-2010 |
20100303399 | Rolling Bearing - A roller bearing for at least one set of roller bodies, which are disposed in an annular manner, the roller bearing having at least one track element with a track, on which the roller bodies are provided for rolling, includes the following features:—The track comprises a track base having a circular circumferential line,—the track element comprises, on each axial side of the track base, a shoulder or a rim for the roller bodies, each shoulder or rim having a circular circumferential line, and—the track element is formed such that, as viewed perpendicular to the planes defined by the circumferential lines, all center points of the three circumferential lines are different from each other. | 12-02-2010 |
20100310203 | CAGE FOR A ROLLING ELEMENT BEARING AND METHOD FOR THE PRODUCTION THEREOF - A cage for a rolling element bearing and a method for the production thereof. The cage has either an increased number of rolling elements or improved load-bearing capacity. The cage has a plurality of cage pockets for receiving the rolling elements, two side rings and a plurality of cross-ribs. The cross-ribs connect the side rings such that the cage pockets are formed. The cage pockets have milled-out or drilled-out corner regions, hereinafter collectively referred to as milled-out corner regions The corner regions, in a cutting plane perpendicular to the axis of rotation of the cage, have a radial milling course in the direction of the axis of rotations. The milling course, at least in a partial section, is configured at an incline with respect to a radial vector placed through the partial section and the axis of rotation, and is configured at an incline in the direction of the cage pocket. | 12-09-2010 |
20100310204 | BEARING CAGE - A bearing cage for large radial or axial roller bearings, which has two axially opposed, circular ring-shaped side washers held at a distance to each other by connecting elements, and roll-shaped rolling elements disposed between the side washers which have bolt-like elements on the faces thereof. A side washer on at least one side of the rolling element has radial recesses into which the bolt-like elements protrude. At least one securing element suitable for holding the bolt-like elements in the area of the radial recesses in the assembled state is provided. Shaped elements that can each be introduced at least partially into the radial recesses of the side washer are provided as the securing element. This construction achieves easy assembly and disassembly of the housing, allowing high flexibility in repairing a roller bearing so equipped. | 12-09-2010 |
20100322549 | CAGE FOR BEARING ASSEMBLY - A bearing cage defines an overall axial length and includes a first end portion defining a first contact surface extending at a radially-outermost diameter of the bearing cage a first axial contact length, and a second end portion spaced a distance from the first end portion and defining a second contact surface extending at the radially-outermost diameter of the bearing cage a second axial contact length. The bearing cage further includes a plurality of spanning members extending between the first and second end portions to define a spanning member axial contact length defined at the radially-outermost diameter of the bearing cage by at least one contact pad. The bearing cage produces a total contact ratio, defined as the ratio of the sum total of the first axial contact length, the second axial contact length, and the spanning member axial contact length to the overall axial length, of at least 0.380. | 12-23-2010 |
20110007994 | Segment rolling bearing, and axial hydraulic pump having the segment rolling bearing - A segment rolling bearing for an axial hydraulic pump, which can be integrated in a simple way. The segment rolling bearing has an outer raceway carrier, an inner raceway carrier, a plurality of rolling bodies, and a cage. The rolling bodies are arranged in the cage such that they roll between the outer raceway carrier and the inner raceway carrier in such a way that the outer raceway carrier can be pivoted about a common pivot axis with respect to the inner raceway carrier. The cage is connected to the inner and/or to the outer raceway carrier directly and captively in at least one connecting region, at least in the radial direction with respect to the common pivot axis. | 01-13-2011 |
20110019953 | ROLLING BEARING WITH BRAKE MECHANISM - A rolling bearing with a brake mechanism, in particular a rotary connection, which has an outer bearing ring and an inner bearing ring, between which rolling bodies roll on assigned tracks. A brake element, which is connected displaceably to one of the bearing rings, is pressed against an opposite surface connected to the associated other bearing ring in order to produce a braking effect by frictional engagement and the frictional engagement can be cancelled by means of an electromagnet. The brake element is arranged as an integral bearing component inside one of the bearing rings and is pressed against the opposite surface by means of a spring force. The spring force is variably settable and the electromagnet includes one of the bearing rings as a soft-iron core and a coil enclosing the latter. | 01-27-2011 |
20110033149 | ANGULAR CONTACT ROLLING-ELEMENT BEARING, ESPECIALLY DOUBLE ROW BALL ROLLER BEARING IN TANDEM ARRANGEMENT - A double roller bearing which has an outer and inner bearing ring and ball rollers, which have lateral faces and are arranged next to each other in rows, arranged between the bearing rings. The rollers roll in raceways incorporated into the inner face of the outer bearing ring and outer face of the inner bearing ring. The raceways run in parallel and have pressure angle axes that are pitched at a pressure angle relative to a bearing radial axis. The rollers have a distance relative to each other which excludes mutual frictional contacts. For this purpose, the distance of the pressure angle axes of the raceways is enlarged and both rows of rollers are guided in separate bearing cages, while the raceway of the rollers of the row with the larger reference circle arranged on the inner bearing ring has a one-sided axial extension using the distance. | 02-10-2011 |
20110038578 | CAGE FOR A ROLLING BEARING - A cage for rolling bodies of a rolling bearing, which has a first side ring, a second side ring axially spaced from the first side ring, and at least two webs, which connect the first side ring to the second side ring and among each other form a pocket for one of the rolling bodies. At least one of the webs has a first web part disposed at the first side ring and a second web part disposed at the second side ring, and a center web part offset with respect to the first and second web parts. The cage is configured such that it can withstand mechanical stresses via a support element which is provided and which supports the first web part and the second web part and connects the two side rings. | 02-17-2011 |
20110064349 | CAGE FOR ROLLING BODIES OF A BEARING - A cage for rolling elements of a hearing, which has a plastic base body and a metal coating fixed to the base body and at least partially covering the base body. The cage provides mechanical stability, wear-resistance and corrosion resistance. This is achieved by the metal, at least sections, having a nanocrystalline granular structure. | 03-17-2011 |
20110069920 | ROLLING BEARING - 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. | 03-24-2011 |
20110069921 | BEARING FOR A VACUUM ROLLER THAT CAN BE SUBJECTED TO SUCTION AIR FROM BOTH SIDES - A bearing structure has a frame, a vacuum roller mounted on the frame, operable to be axially subjected to suction air from both sides, a first bearing arranged in a first bearing housing and a second bearing arranged in a second bearing housing, and a first bearing journal disposed on a first end of the roller, and a second bearing journal disposed on a second end of the roller. The roller is mounted in the first bearing so that there is a substantially constant clearance between a first front face of the roller. The roller is mounted in the second bearing so that there is a substantially constant separation between a second front face of the roller. The second bearing housing is arranged such that the second bearing housing is axially displaceable relative to the frame. | 03-24-2011 |
20110097028 | Cage for rolling bearing and rolling bearing - The present invention provides a cage, for a rolling bearing, whose surface is silver-plated by using a barrel plating method capable of improving the durability thereof in a sliding test. In the cage, for the rolling bearing, made of an iron metal material and having a precious metal-plated layer formed on a surface thereof, the precious metal-plated layer is formed on a ground plated layer formed on a surface of the iron metal material by using a barrel electroplating method. A surface of the ground plated layer consists of a smooth surface. The precious metal-plated layer is in direct close contact with the smooth surface. The ground plated layer consists of a metal having a higher ionization tendency than the precious metal formed on the surface of the ground plated layer. For example, the precious metal forming the plated layer formed on the surface of the ground plated layer is silver, whereas the ground plated layer is a copper-plated layer. A cavity is not present at an interface between the copper-plated layer and the silver-plated layer. | 04-28-2011 |
20110103731 | Anti-rotational locking device for a roller bearing - An anti-rotational locking device ( | 05-05-2011 |
20110123143 | RETAINER FOR ROLLER BEARING - The present invention relates to a retainer for a roller bearing having any one or more of ring-like upper and lower rims and a plurality of bars connected at their ends to any one or more of the upper and lower rims in such a manner as to be circumferentially spaced apart from each other, the retainer including a chamfered face portion formed on each edge of both sides of each of the plurality of bars and having a plurality of first chamfered face sections adapted to be brought into direct contact with rollers and a plurality of second chamfered face sections formed more concaved than the plurality of first chamfered face sections. | 05-26-2011 |
20110135237 | Retained roller assembly - A retained roller assembly, capable of facilitating the lubricating functionality, includes a cylindrical roller retainer having a plurality of pockets defined therein and arranged in a circumferential direction thereof, rollers accommodated within those pockets, respectively, and a roller retaining projection formed in opening edges of side faces, opposite to each other in the circumferential direction and situated on an inner diametric side and an outer diametric side, respectively. A roller guide face for guiding the corresponding roller is provided at an axial position on the side faces of each of the pockets that are different from the associated roller retaining projection. An annular recessed portion is provided in axially opposed ends of an inner diametric surface of the retainer so as to deploy over the entire periphery of the retainer. | 06-09-2011 |
20110142389 | TAPERED ROLLER BEARING RESIN CAGE AND TAPERED ROLLER BEARING - There is provided a resin cage of a tapered roller bearing. The cage includes a small diameter annular portion, a large diameter annular portion, and a plurality of bar portions arranged at intervals in a circumferential direction to connect the annular portions. The bar portion has a pair of circumferentially-directed side surfaces, each having a roller guide surface, and an inner-side inner peripheral surface, a circumferential width of which is smaller on a side of the large diameter annular portion than on a side of the small diameter annular portion, and has a roller retaining region in which a radially outer side pocket width and a radially inner side pocket width between the opposed circumferentially-directed side surfaces of the adjacent bar portions are smaller than a diameter of the roller. | 06-16-2011 |
20110150382 | GUIDE ROLLER ROTATING BEARING FOR A METAL MELT BATH - Guide roller rotating bearing for a metal melt bath includes pivot arms and a roller bearing device arranged on each of the pivot arms. The roller bearing device includes an outer ring, cylindrical rollers and an inner ring. The outer ring includes first and second outer ring flange members. The outer ring is fixed to a pivot arm. The cylindrical rollers are configured as rolling elements. The inner ring has first and second inner ring flange members. The first and second outer ring flange members and the first and second inner ring flange members are configured to fix the cylindrical rollers in an axial direction. A shaft end includes a protective covering disposed in the roller bearing device. The protective covering includes a protective covering material that exhibits a wear-resistance which is higher than a wear resistance of the shaft end. | 06-23-2011 |
20110194798 | Crossed roller bearing retainer and crossed roller bearing - A retainer of a crossed roller bearing has a retainer body plate of rectangular profile corresponding to a rectangular cross-section of a race. Rectangular side surfaces on either side of the retainer body plate are inclined planes that slant in a direction of approaching one another from one corner to another corner along a diagonal line of the surfaces, and extend towards a bearing center in a state of having been installed in the race. Recesses for accumulating grease are formed in center portions of the rectangular side surfaces, the recesses communicating via a through-hole. The rectangular side surfaces are in linear contact with the circular external circumferential surfaces of adjacent rollers and hold the rollers at a fixed spacing. There is obtained a retainer for an uncomplicatedly configured crossed roller bearing that allows adjacent rollers to be held at a fixed spacing and is provided with a grease accumulator. | 08-11-2011 |
20110194799 | BEARING - A bearing comprising a plurality of rolling elements disposed between a first race and a second race. At least one of the rolling elements is a control element having characteristics which differ from the remaining rolling elements. Rotation of the first race with respect to the second race causes the control element to travel at a precessional speed which is greater than or less than the precessional speed of the remaining rolling elements. | 08-11-2011 |
20110216994 | PLASTIC PART, SPECIFICALLY A CAGE FOR A BEARING, CONSISTING OF A RADIATION-CROSSLINKABLE PLASTIC MATERIAL, AND METHOD FOR THE PRODUCTION THEREOF - A plastic part, especially a bearing part, specifically a cage for receiving rolling bodies of a bearing. The body of the plastic part is essentially made of a radiation-crosslinkable plastic material. Pigments that undergo a visible change during the irradiation are mixed in with the plastic material. Also, a method is disclosed for producing a plastic part, especially a bearing part, specifically a cage for receiving rolling bodies of a bearing the plastic part that has a body made of a radiation-crosslinkable plastic material. | 09-08-2011 |
20110229067 | BEARING CAGES WITH HIGH SPEED FEATURES - The bearing cage with high speed features has a pocket with a first flange and a second flange which defines the outer boundaries of the pocket. The first flange and the second flange each have a plurality of inwardly directed protrusions facing each other. The protrusions are contactable at each end of rollers, which are arranged in the bearing cage. The protrusions can be dome shaped, creating a small area of contact between the rollers and protrusions. The point of contact between the rollers and the protrusions is at the center of the rollers, which reduces the relative speed between the ends of the pockets and the rollers. | 09-22-2011 |
20110229068 | RADIAL ROLLER BEARING, IN PARTICULAR SINGLE TRACK BALL ROLLER BEARING - A radial roller bearing, in particular a single-track ball roller bearing, which has an outer bearing ring with an inner groove track, an inner bearing ring with an outer groove track and ball rollers, which are disposed parallel to one another and held in a peripheral direction at even distances from one another by a plastic bearing cage, that roll between the bearing rings in the groove tracks. Each roller has two lateral surfaces that are flattened symmetrically from a spherical base form and a defined axial tilting clearance. The cage has two axially separated, pocketed cage halves which can be assembled in a positive-fitted, form-locked or integral fashion by opposing connecting elements. | 09-22-2011 |
20110243489 | Machine Component and super-finishing method therefor - A surface shape of a machining surface ( | 10-06-2011 |
20110249929 | RADIAL BEARING CAGE WITH CONTACT FEATURE - The bearing cage has a first flange, a second flange, and a plurality of cage bars extending between the first flange and the second flange so as to form and define outer boundaries for a plurality of pockets. The first flange and the second flange are each bent inward toward the pocket and then extend parallel in a vertical direction, forming a contact surfaces. The contact surfaces are in contact at each end of the rollers arranged in the pocket. The contact surfaces of the bearing cage present a large contact area between the ends of the rollers and the ends of the pockets where there is a lubricant film. Also, the surface of the contact surfaces is smooth. | 10-13-2011 |
20110249930 | BEARING CAGE DURABILITY IMPROVEMENT - The bearing cage for roller bearings has an inner ring, an outer ring, and a plurality of cage bars extending between the inner ring and the outer ring so as to form a plurality of pockets. At least one of the inner ring and the outer ring has a formed ring flange protruding inwardly into the pockets. The pockets have of least one curved end with a radius or a straight end with large radii so that the pockets extend under the ring flange. The formed ring flange provides radial guidance to the ends of the rolling elements, which also aids in reducing the possibilities of stress risers from forming, causing fatigue and ultimately failure of the bearing cage. | 10-13-2011 |
20110249931 | ROLLER BEARING, MAIN SHAFT SUPPORT STRUCTURE OF WIND POWER GENERATOR, AND METHOD FOR ADJUSTING CIRCUMFERENTIAL CLEARANCE BETWEEN RETAINER SEGMENTS OF ROLLER BEARING - A tapered roller bearing ( | 10-13-2011 |
20110317953 | BEARING CLOSURE/SHIELD FOR CURRENT PASSAGE IN ELECTRIC EQUIPMENT - At least one closure element is arranged between an outer ring and an inner ring of a bearing. The closure element aids in ensuring electric current is kept away from the rolling elements by diverting electric current from the outer ring to the inner ring of the bearing and onto a shaft of an associated machine. The closure element can take the form of either a seal or a shield. The closure element is arranged in the outer ring and contacts at least one of the notches of the inner ring. Preferably, more than one closure element is used. | 12-29-2011 |
20120002911 | CAGE FOR A ROLLING BEARING, COMPRISING GUIDING MEANS - A cage for a rolling bearing which has pocket-shaped recesses for receiving rolling bodies and at least one guiding means for guiding the cage. The at least one guiding means is detachably connected to the cage. Thus, by design, the structure designed for the guiding of the cage is simple, economical and flexible, and suitable for all kinds of different cage shapes and dimensions. | 01-05-2012 |
20120039558 | CAGE, ROLLING BEARING, METHOD FOR MANUFACTURING CAGE, AND INJECTION MOLD - A cage is made of a magnesium alloy and has a light weight and a high strength. The cage is made of a magnesium alloy such as AZ91D, and is formed by means of injection molding. In this cage, a confluence region is brought away to outside the cage during the injection molding. The confluence region is a region including voids formed by merging of flows of the magnesium alloy. | 02-16-2012 |
20120082409 | ROLLER BEARING CAGE AND ROLLER BEARING - A cage is formed of a plurality of spacers that are arranged along a circumference of a same circle. Each spacer includes: first, second and third cage bars extending in substantially an axial direction of the circle and located at intervals from each other; a first coupling portion that couples an end portions of the first and second cage bars at one of the axial direction; and a second coupling portion that couples the other end portions of the second and third cage bars at the other one of the axial direction. The first cage bar, the second cage bar and the first coupling portion define a first pocket that is open at the other one of the axial direction side, and the second cage bar, the third cage bar and the second coupling portion define a second pocket that is open at the one of the axial direction side. | 04-05-2012 |
20120195540 | Roller bearing backing ring assembly - A novel assembly for a railcar axle bearing is presented. The assembly includes a backing ring affixed to the fillet of the journal of an axle and a locking ring for further affixing the backing ring the journal. The locking ring has an inboard end affixed to the dust guard of the axle and an outboard end for engaging the backing ring. | 08-02-2012 |
20120213463 | HYDRODYNAMIC TAPERED ROLLER BEARINGS AND GAS TURBINE ENGINE SYSTEMS INVOLVING SUCH BEARINGS - Tapered roller bearings and gas turbine engine systems involving such bearings are provided. In this regard, a representative bearing cage for a gas turbine engine includes: an outer cage rim and an inner cage rim; the outer cage rim having a rounded edge at a location of contact between the outer cage rim and a roller. | 08-23-2012 |
20120275741 | SINGLE-SPLIT CAGE - The present invention provides a single-split cage capable of continuously holding a plurality of rolling elements stably for a long time by eliminating the difference in the strength between split regions, by maintaining the strength of the entire cage uniform in the circumferential direction and by maintaining the dimensional accuracy between the split regions constant at the time of molding and also capable of improving load capacity and achieving low cost for assembly. A split section | 11-01-2012 |
20120321237 | CONICAL ROLLER CAGE - A conical roller cage that implements a conical roller bearing that is able to suppress torque and that is able to smoothly supply lubricant to a raceway surface includes: a small-diameter annular portion, a large-diameter annular portion having a bore diameter larger than a bore diameter of the small-diameter annular portion, pillar portions that couple the small-diameter annular portion to the large-diameter annular portion and that are located at intervals from each other in a circumferential direction, roller partition wall portions each radially extending from a radial end face of a corresponding one of the pillar portions, and canopy portions each protruding from a radial end portion of a corresponding one the roller partition wall portions, at an opposite side to a side of the pillar portion, toward both sides in the circumferential direction. | 12-20-2012 |
20130004111 | Spacer for Radial Needle Roller Bearing - Provided is a spacer for a radial needle roller bearing that keeps dynamic torque of a double-row radial needle roller bearing low, while suppressing wear in areas of rubbing with adjacent members by causing there to be a film of oil having a proper amount of oil to exist in the areas of rubbing without excessive surface area. Concave sections that are recessed in a direction away from the adjacent members of the column sections | 01-03-2013 |
20130004112 | CAGE AND ROLLING BEARING - A cage is made of a magnesium alloy such as AZ91D, and is molded by means of injection molding. In this cage, a confluence region is brought away to outside the cage during the injection molding. The confluence region is a region including a void formed by merging of flows of the magnesium alloy. When observing a cross sectional surface of the cage, a ratio of an α phase having a grain size of 20 μm or greater is less than 15% in the magnesium alloy constituting the cage. | 01-03-2013 |
20130077910 | HIGH SPEED MECHANICAL BEARING USING FIXED ROLLERS - A high speed mechanical bearing for rotatably supporting the journal of a rotor comprises an annular frame defining a bore dimensioned to receive the journal, and a plurality of angularly spaced rollers carried by the frame. The rollers are arranged to project into the bore and into rotating contact with the journal. | 03-28-2013 |
20130108202 | BEARING SUPPORT APPARATUS FOR A GAS TURBINE ENGINE | 05-02-2013 |
20130142471 | DOUBLE ROLLER CAGE FOR A DOUBLE-ROW CYLINDER ROLLER BEARING WITH MASS COMPENSATION - A double roller cage for a double-row cylinder roller bearing, with a central ring part ( | 06-06-2013 |
20130148919 | ROLLING BEARING AND MANUFACTURING METHOD THEREOF - The present invention provides a rolling bearing which is excellent in strength, rigidity, heat resistance, and dimensional accuracy while being able to hold rolling elements in a stable manner and reduce manufacturing cost without degrading performance as a bearing and a manufacturing method for the rolling bearing. To achieve the object, the present invention adopts a rolling bearing including a cage provided with a plurality of pockets for housing and hold the rolling elements arranged at specific intervals in a circumferential direction in a peripheral wall of a cylindrical member. The cage is formed integrally by metal powder injection molding; and the cage includes a housing space for the rolling elements and a rolling-element fall-out prevention structure is formed by applying compressive working to an outer edge of the housing space in a direction from an outer circumferential surface toward a radial center of the cage. | 06-13-2013 |
20130182989 | RADIAL CAGE FOR CYLINDRICAL ROLLER BODIES - 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. | 07-18-2013 |
20130182990 | RADIAL CAGE FOR CYLINDRICAL ROLLER BODIES - A radial cage in which roll forming is carried out in such a manner that straight side sections of all axial crossbars continue to have at least approximately a material thickness of a starting material for the radial cage, while side rings of the radial cage and axial center sections of the axial crossbars are implemented by rolling down during roll forming to each have material thicknesses that are smaller than the material thickness of the straight side sections and that reduce their centrifugal mass. | 07-18-2013 |
20130202241 | ROLLER BEARING CAGE AND MANUFACTURING METHOD THEREFOR - 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. | 08-08-2013 |
20130216172 | C-SHAPED SPACER FOR ROLLING BEARING - The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least one row of contact rollers disposed between raceways provided on the rings. The spacer comprises opposite inner and outer portions, facing one another and a lateral portion extending transversally between the inner and outer portions and connected to said portions. The inner and outer portions delimit together with the lateral portion a pocket configured to receive a contact roller. The pocket is laterally open on the side opposite to the lateral portion. | 08-22-2013 |
20130216173 | SPACER FOR ROLLING BEARING WITH LOW FRICTION CONTRIBUTION - The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least one row of contact rollers disposed between raceways and guiding surfaces provided on the rings. The spacer comprises opposite inner and outer portions facing one another and at least a first lateral portion extending transversally between the inner and outer portions and connected to the portions. The inner and outer portions and the first lateral portion delimit at least partly a pocket configured to receive at least a contact roller. The inner and outer portions each comprise at least a protruding means extending outwards and having a contact surface with one of the inner and outer rings. | 08-22-2013 |
20130216174 | BEARING COMPONENT, IN PARTICULAR ROLLER BEARING CAGE, AND METHOD FOR THE PRODUCTION THEREOF - A method for producing a bearing component, in particular a roller bearing cage ( | 08-22-2013 |
20130223784 | SPACER FOR TWIN-ROW ROLLING BEARING - The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least two rows of contact rollers disposed between raceways provided on the rings. The spacer comprises opposite inner and outer portions facing one another, a first lateral portion extending transversally between the inner and outer portions and connected to the portions, and a second lateral portion facing the first lateral portion and extending from the outer portion towards the inner portion. The inner and outer portions delimit together with the lateral portions a pocket configured to receive at least two superposed contact rollers. A free edge of the second lateral portion defines with the inner portion an aperture in order to open laterally the pocket on the side opposite to the first lateral portion. | 08-29-2013 |
20140003757 | ROLLING-ELEMENT BEARING CAGE AND METHOD FOR PRODUCING A ROLLING-ELEMENT BEARING CAGE | 01-02-2014 |
20140016891 | POSITIONING MEANS FOR CAMSHAFT ROLLER BEARING - A roller bearing assembly includes a plurality of rollers ( | 01-16-2014 |
20140254971 | ROLLING BEARING - In the cage | 09-11-2014 |
20140301688 | PRONG TYPE CAGE FOR DOUBLE ROW ROLLER BEARING AND DOUBLE ROW ROLLER BEARING - A prong type cage is incorporated in a double row roller bearing and holds the rollers arranged in one of the two rows. The prong type cage has an annular portion; and multiple cage bars. Pockets in which the rollers are held are defined at positions on a side of the one side face of the annular portion and between the cage bars adjacent to each other in the circumferential direction. Recesses are formed in a face of the annular portion, the face being opposed to end faces of the rollers disposed in the pockets. The recesses are opened toward the end faces of the rollers to retain grease between the recesses and the end faces of the rollers. The recesses are opened at an inner peripheral face of the annular portion to introduce the grease that is present on the inner peripheral face of the annular portion into the recesses. | 10-09-2014 |
20140301689 | PRONG TYPE CAGE FOR DOUBLE ROW ROLLER BEARING AND DOUBLE ROW ROLLER BEARING - A prong type cage includes an annular portion, and a plurality of cage bars extended in the axial direction of the prong type cage from one side face of the annular portion, and located at intervals in the circumferential direction of the prong type cage. Pockets in which the rollers are held are defined at positions on a side of the one side face of the annular portion and between the cage bars adjacent to each other in the circumferential direction. A plurality of protrusions each of which is opposed to an inner peripheral face of the outer ring across a clearance and guided by the inner peripheral face, and a plurality of recessed portions that retain grease between the recessed portions and the inner peripheral face are formed on an outer periphery of the annular portion so as to be arranged in the circumferential direction. | 10-09-2014 |
20140334761 | Spherical Roller Bearing Cage with Inward Flange Turned Radially Outward - A roller bearing cage has a cage element adapted for retaining the generally cylindrically shaped rollers and allowing the rollers to be rollable therein. The cage element includes a main portion having a plurality of pockets, an outward flange portion extending outwardly in a radial direction and an inward flange portion extending outwardly in the radial direction. The outward flange portion is formed on a side edge of the main portion and the inward flange is formed on an opposite side edge portion thereof. The main portion defines the smallest diameter of the bearing cage and is less than the roller pitch diameter. | 11-13-2014 |
20140334762 | Spherical Roller Bearing Cage with Cylindrical Guidance Contact Surfaces - A roller bearing cage has a cage element adapted for retaining the barrel-shaped rollers and allowing the rollers to be rollable therein. The cage element includes a main portion having a plurality of pockets, an outward flange portion extending outwardly in a radial direction and an inward flange portion extending inwardly in the radial direction. The outward flange portion being formed on a side edge of the main portion and the inward flange being formed on an opposite side edge portion thereof. The outward flange portion includes an outward flange guide surface for guiding barrel-shaped rollers. The guide surface is cylindrical in shape and adjacent each pocket. The guide surface is adapted to abut an axial end of the rollers. | 11-13-2014 |
20140341494 | Bearing for a Camshaft, and a Camshaft - A bearing arrangement for a camshaft and a camshaft are provided. The bearing arrangement includes a bearing point in a bearing support frame that receives a camshaft, a bearing rolling-element cage and a bearing outer sleeve. The rolling-element cage and the outer sleeve are configured such that the outer diameter of the outer sleeve is smaller than the inside diameter of the bearing point and the outer diameter of the rolling-element cage is smaller than the inner diameter of the outer sleeve. The rolling-element cage may be provided with retention features that axially secure the cage to the outer sleeve. The rolling-element cage and/or the outer sleeve may be provided with collars that axially constrain the bearing relative to the support frame. A camshaft including at least one such bearing arrangement is also provided. | 11-20-2014 |
20150023625 | ROLLER BEARING CAGE AND MANUFACTURING METHOD THEREFOR AS WELL AS ROLLER BEARING MANUFACTURING METHOD - Present invention relates to provide a cage suited in particular to a supersized roller bearing, which is easy to improve rigidity, realizes a reduction in manufacturing costs, facilitates dimension management and accuracy management, and is less prone to progress abrasion of end surfaces of rollers. A roller bearing cage ( | 01-22-2015 |
20150043861 | BEARING CAGE DEFLECTOR - A bearing cage for a rolling element bearing assembly, the bearing cage including a cage body having an inner surface defining a bore coaxially aligned with the principal rotational axis of the bearing cage; a plurality of pockets, each pocket being suitable for housing a rolling element of the rolling element bearing assembly, the pockets being arranged sequentially around the cage body with respect to the principal rotational axis of the bearing cage; and a skirt projecting from the cage body in the axial direction; characterized by a flow deflector projecting from the skirt in the radial direction. | 02-12-2015 |
20150043862 | CAGE OF ROLLER BEARING AND ROLLER BEARING STRUCTURE - A pillar includes a radially outer projection that is formed at the radially outer side of a pillar's wall surface facing a pocket so as to project in the circumference direction and restricts radially outward movement of a roller. A radially inner projection is formed at the radially inner side of the pillar's wall surface facing the pocket so as to project in the circumference direction and restrict radially inward movement of the roller. Allowable distance Lo to which the roller can move radially outward from a pitch circle PCD of the rollers under the restriction of the radially outer projections and allowable distance Li to which the roller can move radially inward from the pitch circle PCD of the rollers under the restriction of the radially inner projections satisfy the relationship Lo>Li. The cage solves the problem that the rollers get caught by the roller retaining elongated projections. | 02-12-2015 |
20150049976 | ROLLING BEARING - An object of the present invention is to prevent abrasion powder from accumulating and stacking in pockets in a retainer of a roller bearing, thereby protecting the rollers from brinelling and loss of lubrication for extended life of the roller bearing. On an inner diameter surface of annular regions in the retainer, cutouts are formed from the retainer's axially outer side end surface toward an inner side. The cutout has an outer diametrical position on a more radially outer position than an outer diametrical end of the inner-side projection of the retainer. This improves an axial flow of lubricant oil from an inner diameter side of the retainer toward the cutout which is formed in the annular region, making it less likely that dust such as metal abrasion powder contained in the lubricant oil will stay at the inner-side projection of the pillar. | 02-19-2015 |
20160017919 | CRANKSHAFT OR CONNECTING-ROD BEARING ASSEMBLY OF AN INTERNAL COMBUSTION ENGINE - A crankshaft or connecting-rod bearing assembly of an internal combustion engine includes a bearing journal configured to function as a bearing inner ring, and a bearing outer ring surrounds the bearing journal. At least one row of rolling elements is disposed between the bearing journal and the bearing outer ring, the rolling elements are held by a cage, and the cage includes at least two cage segments, each of which extends around a circumferential section of the bearing journal. Furthermore, the at least two cage segments are connected to each other in a materially-bonded manner at at least one joint lying in the circumferential direction. | 01-21-2016 |
20160025135 | RETAINER FOR A RADIAL NEEDLE BEARING AND METHOD FOR MANUFACTURING SAME - Construction of a retainer for a radial needle bearing is achieved that is able to prevent needles | 01-28-2016 |
20160061258 | NEEDLE BEARING WITH A CAGE AND A RETAINING TAB FORMED ON THE CAGE - A needle bearing ( | 03-03-2016 |
20160084311 | ROLLING-ELEMENT BEARING CAGE - A rolling-element bearing cage includes first and second axially spaced side rings and a plurality of bridges disposed between the first and second side rings. A pair of circumferentially adjacent bridges defines with the first and second axially spaced side rings a receiving pocket configured to receive a rolling element, and each of the plurality of bridges has first and second axially spaced running surfaces. The first and second running surfaces are disposed at first and second axially spaced end regions of the receiving pocket, and a circumferentially recessed region is disposed between the end regions such that a rolling element in a receiving pocket does not contact the recessed region. | 03-24-2016 |