Class / Patent application number | Description | Number of patent applications / Date published |
384470000 | Cage structure | 51 |
20080219611 | Cage for Radial Needle Bearing, Method for Manufacturing the Same and Radial Needle Bearing - A cage element | 09-11-2008 |
20100086247 | Roller bearing - A bearing assembly includes an inner ring, an outer ring, a plurality of roller elements disposed between the inner ring and outer ring and spaced tangentially apart from each other by a cage. The inner ring includes a rib annulus. The rib annulus provides a flow of lubricating fluid around the rib face. | 04-08-2010 |
20100290728 | ANTIFRICTION BEARING - 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. | 11-18-2010 |
20100322543 | BEARING ARRANGEMENT AND METERING VALVE AND SUCTION DEVICE THEREFOR - The invention relates to a bearing arrangement with an outer ring and an inner ring that can rotate relative to one another, and rolling bodies, especially balls, which are located between the outer ring and the inner ring. The invention also relates to an infeed distributor and a suction exhaust device for incorporation in such a bearing arrangement. | 12-23-2010 |
20110002568 | CAGE FOR BALL BEARING, BALL BEARING WITH THE CAGE AND METHOD OF MANUFACTURING THE CAGE - A snap cage ( | 01-06-2011 |
20110033145 | GREASE-SEALED ROLLING BEARING WITH ROTARY OUTER RACE - A grease-sealed rolling bearing with a rotary outer race is provided of which the lubricating grease has a long life, and which produces less cold-time noise and can effectively prevent leakage of grease. | 02-10-2011 |
20110069917 | ROLLING BEARING - A conveyor bearing includes an inner ring fitted on and fixed to a shaft, a plurality of rolling elements arranged rollably on a raceway surface of the inner ring, an outer ring disposed of rotatably relative to the inner ring via the rolling elements, and a seal member to seal in a grease between the outer ring and the inner ring. The seal member has a plurality of seal lips and is mounted on at least one location on the bearing. | 03-24-2011 |
20110081105 | CYLINDRICAL ROLLER BEARING - A guide piece | 04-07-2011 |
20110085754 | AUXILIARY BEARING SYSTEM WITH OIL RESERVOIR FOR MAGNETICALLY SUPPORTED ROTOR SYSTEM - An auxiliary bearing including a bearing mount disposed circumferentially about a shaft. A support wall may extend radially inward from the bearing mount, and the support wall may define a first annular cavity. An outer race may be coupled to a radially inner surface of the support wall. An inner race may be rotatably coupled to the outer race, and a plurality of rolling elements may be disposed between the inner and outer races. A pool of lubricant may be disposed within the first annular cavity, and at least a lowermost one of the plurality of rolling elements may be at least partially disposed in the pool. | 04-14-2011 |
20110135230 | RADIAL ROLLER BEARING, IN PARTICULAR FOR THE ROLLER BEARING MOUNTING OF SHAFTS IN INTERNAL COMBUSTION ENGINES - A radial roller bearing, which has an outer bearing ring and a multiplicity of cylindrical roller bodies which roll on the inner lateral surface of the outer bearing ring and the outer lateral surface of an inner bearing ring or a shaft. The roller bodies are held at uniform intervals by a bearing cage with inwardly directed radial rims for axial guidance. Lubricating openings, which lead from the outside into the bearing interior, supply lubricant, and are arranged on the outer or inner bearing ring axially at both sides. The lubricating openings are cutouts which are formed into one or both axial sides of the bearing rings, outside a load zone of the bearing rings, which extend into the outer or inner raceway of the roller bodies and in which the roller bodies are arranged so as to be partially freely accessible for receiving oil form the bearing surroundings. | 06-09-2011 |
20110150379 | BEARING DEVICE - A bearing device includes: an outer ring having an outer ring raceway groove on its inner circumferential surface; an inner ring having an inner ring raceway groove on its outer circumferential surface; balls arranged between the outer and inner ring raceway grooves; a retainer retaining the balls; and a liquid lubricant supply device supplying oil content of grease to the space between the inner circumferential surface of the outer ring and the outer circumferential surface of the inner ring. The liquid lubricant supply device includes a liquid lubricant passage providing fluid communication between the inner circumferential surface and the outer circumferential surface; and a vibrating device contacting the grease to vibrate the grease to supply a liquid lubricant to the space between the inner circumferential surface and the outer circumferential surface via the liquid lubricant passage. | 06-23-2011 |
20110170818 | ROLLING BEARING - A rolling bearing includes: first and second raceway members; a guide member having a guide surface; rolling; and a cage has a guided surface opposing the guide surface such that the guided surface can slidably contact the guide surface. A flow path for compressed air for supplying lubricating oil is provided in the guide member. The flow path has a discharge opening in the guide surface. The guided surface has two annular sprayed surfaces to which the compressed air discharged from the discharge opening is sprayed. The sprayed surfaces are defined as inclined surfaces inclined to opposite directions to each other with respect to the axial direction. | 07-14-2011 |
20110229066 | ROLLER CAGE FOR A ROLLING BEARING, PARTICULARLY A DOUBLE ROLLER CAGE FOR A CYLINDER ROLLING BEARING, ROLLING BEARING, AND METHOD FOR PRODUCING A ROLLER CAGE FOR A ROLLING BEARING - 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. | 09-22-2011 |
20110255817 | Roller Bearing Cage - A roller bearing cage includes at least one bridge element having a surface provided for directly opposing an outer surface of a roller body. A plurality of ship-hull-shaped or droplet-t-shaped macroscopic recesses is formed in the surface for retaining a lubricant therein. The recesses have at least one of a width and a depth in the circumferential direction of the roller body that diminishes towards at least one end in the circumferential direction. A first group of the recess diminishes in a direction substantially towards one of the ends and a second group of the recess diminishes in a direction towards the other end. | 10-20-2011 |
20120014633 | Antifriction Bearing Cage - A roller bearing cage comprises first and second annular elements, each having at least three radially-extending bulges or indentations spaced around a circumferential direction of the annular elements. An axially-facing surface of each bulge or indentation serves as a guide surface for one axial end of a roller body. A plurality of bridge elements are bonded to and connect the first and second annular elements. Each bridge element is disposed between two adjacent bulges or indentations on a radial side of the annular elements that is opposite of the extension direction of the radially-extending bulges or indentations. The bridge elements are configured to support rolling surfaces of respective roller bodies such that a pocket for a roller body is defined between each two adjacent bridge elements and each two axially-opposing, radially-extending bulges or indentations. | 01-19-2012 |
20120224800 | BEARING DEVICE - Invention belongs to machine building, in particular to support assemblies in which roller bearings are used. The invention can be used in machines and mechanisms where bearing assemblies operate with high speeds and are exposed to significant centrifugal loads, in particular in planetary reduction gearing units, planetary gearboxes, planetary centrifugal mills where strong artificial gravity fields exist. | 09-06-2012 |
20130022304 | ROLLING BEARING AND CROWN-SHAPED RETAINER - 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. | 01-24-2013 |
20130163908 | BEARING CAGE HAVING LIPOPHOBIC OR OLEOPHOBIC SURFACE(S) - A bearing cage has an annular structure with a plurality of pockets defined therein. At least one first surface area of the annular structure is made from, or is coated with, a first material having lipophobic and/or oleophobic properties. A rolling-element bearing includes this bearing cage, a plurality of roller bodies respectively disposed in the pockets, and a lubricant that forms a contact angle of at least 90° when disposed on the first material. | 06-27-2013 |
20130163909 | RETAINER FOR BALL BEARING, AND BALL BEARING - Provided are a retainer for a ball bearing, and a ball bearing which are capable of obtaining an effect of reducing torque even in grease lubrication. The retainer for a ball bearing comprises a retainer body ( | 06-27-2013 |
20130223780 | ROLLING BEARING CAGE AND ROLLING BEARING - The invention relates to a rolling bearing cage ( | 08-29-2013 |
20130266249 | RETAINER FOR RADIAL ROLLER BEARING - A pair of rim portions | 10-10-2013 |
20130266250 | FLEXIBLE BEARING CAGE - 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. | 10-10-2013 |
20130266251 | ROLLING BEARING - The invention concerns a rolling bearing with a rolling bearing cage ( | 10-10-2013 |
20130272638 | BALL RETAINING CAGE FOR BEARINGS AND A DEEP GROOVE BALL BEARING - A cage for a ball bearing unit comprises two half-cages ( | 10-17-2013 |
20130301970 | WHEEL ROLLING BEARING UNIT - 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. | 11-14-2013 |
20130308885 | SPLIT CAGE FOR ROLLING BEARING - A split cage for a rolling bearing includes a plurality of cage segments formed of synthetic resin and arranged annularly in a circumferential direction. Each cage segment includes: a first rim portion and a second rim portion that are spaced from each other by a predetermined interval and face each other; and a plurality of bar portions extending from the first rim portion to the second rim portion. Spaces, each of which is surrounded by the bar portions adjacent to each other and the first and second rim portions, are formed as pockets that house rolling elements. Projections for reinforcement are formed at radial end portions of boundaries between the bar portions and the first rim portion and/or boundaries between the bar portions and the second rim portion. | 11-21-2013 |
20130330031 | BALL BEARING RETAINER AND BALL BEARING - Provided is a ball bearing retainer, comprising two annular members ( | 12-12-2013 |
20140064648 | Cylindrical Roller Bearing - A guide piece projects from an outside surface of a cage bar of a cage so as to make sliding contact with a raceway surface of an outer ring. As the cage rotates, the guide piece operates to guide the rotation of the cage while removing an excess grease on the raceway surface and transferring the excess grease to axially opposite ends of the outer ring. The guide piece is formed with a through-hole extending from an inner periphery of the cage to an edge of the guide piece for supplying the lubricant from the inner periphery side of the cage to the raceway surface. | 03-06-2014 |
20140086518 | Threaded Bearing Retainer - A threaded bearing retainer for a spherical bearing may include an annular top surface, an annular bottom surface, and an externally threaded cylindrical outer surface extending between the top and bottom surfaces and meshing with the internal threads of a housing bore. The bearing retainer may further include an annular sealing rib extending downwardly from the bottom surface and engaging the bore shoulder of the housing bore to form a substantially water-tight seal when the bearing retainer is screwed into the housing bore. | 03-27-2014 |
20140119684 | BEARING ASSEMBLY - The rolling bearing design incorporates at least two antifriction bearings, a fixed supporting centering sleeve and a toothed cage with an extended cylindrical part, extending outside the dimensions of the bearings, and sockets in the form of a crown on both sides of the cylindrical part of the cage. The fixed supporting centering sleeve of the cage incorporates channels for oil supply to the cage. The extended cylindrical part of the cage between the adjacent bearings in the assembly can be made up of two parts with the possibility to slip relative to each other. The invention enables improvement in the reliability, wear-resistance and durability of the bearing assemblies incorporating at least two bearings, including those of different types and sizes, which operate at high speeds and are subject to significant centrifugal loads exceeding the gravity acceleration by hundred times. | 05-01-2014 |
20140199010 | ROLLING BEARING UNIT - A rolling bearing unit includes: a rolling bearing having an inner ring, an outer ring arranged, multiple rolling elements, and a cage; and a cage guide member that is formed integrally with the outer ring or formed as a member different from the outer ring, and that is fixed to the housing side. The cage guide member has a guide projection projected into an annular space between the inner and outer rings and having an outer peripheral face a part of which serves as the guide face, and a grease supply portion having a grease reservoir portion in which the grease is reserved. A supply port through which the grease is supplied from the grease reservoir portion to the guide face is formed on the outer peripheral face of the guide projection, at a position closer to a base end portion of the guide projection than the guide face. | 07-17-2014 |
20140314359 | Rolling-element bearing - A rolling-element bearing includes inner and outer rings, a cage with pockets disposed therebetween, and rolling elements respectively retained in the pockets. The cage has a guiding section extending along the axial length of the rolling elements. The distance between a radially-inner surface of the guiding section and the rotational axis of the bearing progressively decreases at least in sections along the axial direction of the rolling-element bearing from a point of the guiding section that is most distant from the rotational axis. A conveying section of the cage connects to that most-distant point and extends outside or away from the axial length of the rolling elements. The distance between a radially-inner surface of the conveying section and the rotational axis progressively decreases at least in sections in the axial direction away from the rolling elements. A lubricant collection channel is defined between the guiding section and the conveying section. | 10-23-2014 |
20140369636 | BALL BEARING ASSEMBLY TO IMPROVE LUBRICATING PERFORMANCE - A ball bearing includes an outer ring, an inner rind, and a plurality of balls positioned between said inner ring and said outer ring. The ball bearing further includes a retainer having a plurality of ball pockets for retaining the plurality of balls. At least one of said plurality of ball pockets includes an oil supply hole for retaining oil. | 12-18-2014 |
20150030275 | GEL LUBRICANT, ROLLING BEARING, PIVOT ASSEMBLY BEARING, AND HARD DISK DRIVE - There is provided a gel lubricant including: a base oil containing an ester synthetic oil and a synthetic hydrocarbon oil in which the mass ratio (X:Y) of the ester synthetic oil (X) to the synthetic hydrocarbon oil (Y) is in the range of 35:65 to 75:25; and a gelatinizer which contains two kinds of styrene block copolymers and is included in the gel lubricant in an amount of 1.5% by mass to 10% by mass. | 01-29-2015 |
20150030276 | BEARING CAGE WITH SELF-LUBRICATING GREASE RESERVOIRS - A bearing cage, including an outer circumferential surface, an inner circumferential surface, a radial surface aligned in a direction orthogonal to the axis of rotation, at least one chamber located in material forming the bearing cage and one of at least one first channel connecting the at least one chamber to the radial surface and at least one second channel connecting the at least one chamber to one of the inner circumferential surface or the outer circumferential surface, or at least one first channel connecting the at least one chamber to the inner circumferential surface and at least one second channel connecting the at least one chamber to the outer circumferential surface. | 01-29-2015 |
20150043851 | TAPERED OIL FEED BEARING CAGE - A bearing cage for a rolling element bearing assembly, the bearing cage including
| 02-12-2015 |
20150049971 | CAGE FOR A ROLLER BEARING AND ROLLER BEARING - A cage for a roller bearing having a bearing axis extending in an axial direction, the cage including at least two crosspieces which extend between two axially spaced edges and are spaced from one another in a circumferential direction oriented perpendicular to the axial direction so that a rolling element can be disposed between them. At least one crosspiece of the at least two crosspieces has a first surface region that is a constant radial distance from the bearing axis, and the at least one crosspiece has a second surface region which is adjacent to the first surface region and includes a step along which the radial distance from the bearing axis varies. | 02-19-2015 |
20150063735 | ROLLING BEARING AND POWER TRANSMISSION DEVICE INCLUDING ROLLING BEARING - A rolling bearing includes an inner ring; an outer ring coaxially disposed around an outer peripheral surface of the inner ring with an annular space between the inner ring and the outer ring; a plurality of rolling elements rollably disposed in the annular space; a cage that retains the rolling elements; and a bubble generating mechanism that generates bubbles in liquid lubricant during bearing rotation, wherein the liquid lubricant flows through the annular space. | 03-05-2015 |
20150093060 | ROLLING BEARING - A rolling bearing includes inner and outer races rotatable relative to each other, a plurality of rolling elements interposed between the inner and outer races, and a retainer arranged between the inner and outer races for retaining the plurality of rolling elements equiangularly. Flange portions are formed on a radially inner side and a radially outer side of an axial end portion of the retainer so as to extend radially. Recessed grooves are formed in a region of the inner race and a region of the outer race corresponding to the respective flange portions so as to form labyrinths together with the flange portions. Inner side surfaces of the flange portions and axial end surfaces of the recessed grooves, which are opposed to the inner side surfaces of the flange portions, are inclined radially so as to generate a flow of lubricant. | 04-02-2015 |
20150110428 | CYLINDRICAL ROLLER BEARING - A cylindrical roller bearing including an inner ring including a raceway surface on an outer periphery thereof an outer ring including a raceway surface on an inner periphery thereof a plurality of cylindrical rollers rollably disposed between the raceway surface of the inner ring and the raceway surface of the outer ring; and a cage for circumferentially retaining the cylindrical rollers at predetermined intervals. The cage is circumferentially provided with a plurality of guide pieces on an outer periphery of the cage at predetermined intervals, a guide piece of the plurality of guide pieces projecting toward the raceway surface of the outer ring to form a sliding contact portion which makes sliding contact with the raceway surface for guiding the rotation of the cage and for removing an excess lubricant on the raceway surface. | 04-23-2015 |
20150139581 | PHENOLIC BEARING CAGE WITH SELF-LUBRICATING COATING AND METHOD OF MANUFACTURING PHENOLIC BEARING CAGE WITH SELF-LUBRICATING COATING - A bearing cage, including: a body fabricated of phenolic material and having an outer circumferential surface and an inner circumferential surface; and a coating of molybdenum disulfide or polytetrafluoroethylene adhered to the outer circumferential surface or the inner circumferential surface. A method of manufacturing a bearing cage, including: fabricating a body from phenolic material, the body including an outer circumferential surface and an inner circumferential surface connecting first and second sides; and adhering a coating of molybdenum disulfide or polytetrafluoroethylene to the inner or outer circumferential surface. | 05-21-2015 |
20150308501 | SPACER ASSEMBLY FOR A BEARING - The present subject matter is directed to a spacer assembly for a bearing of a wind turbine and/or 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 roller elements positioned between the inner and outer race, and a plurality of load-bearing spacers configured between the roller elements. Each of the spacers includes a spacer portion and an extension portion. Thus, each of the spacers is arranged to contact adjacent spacers within the bearing assembly via the extension portion such that the extension portions of the spacers are configured to transfer loads experienced by the bearing assembly rather than the loads passing through the roller elements. | 10-29-2015 |
20150308502 | BEARING CAGE AND BEARING MEANS HAVING THIS TYPE OF BEARING CAGE AS WELL AS METHOD FOR DESIGNING, REPAIRING AND/OR REPLACING SUCH A BEARING CAGE - The invention relates to a bearing cage of a bearing means, in particular a ball or roller bearing, which is produced by means of a generative manufacturing method and has an outer flange and a bearing seat, which are joined together via a plurality of spring beams. | 10-29-2015 |
20160017918 | BALL SEPARATOR FOR BALL BEARING ASSEMBLY - A ball bearing assembly including a plurality of ball bearings and one or more ball separators. Each of the ball separators comprises two pockets, each pocket including a contact surface formed having a shape complementary to the shape of the ball bearings, with one or more lubrication channels formed therein. The pockets also include a secondary surface formed to maintain a gap between one of the ball bearings and the secondary surface when arranged in the circular groove. The presence of the lubrication channels enhances lubrication and reduces the contact area between the ball separators and the ball bearings. | 01-21-2016 |
20160017923 | Ball Bearing - A ball bearing includes: an inner ring having an inner ring raceway surface on its outer circumference; an outer ring having an outer ring raceway surface on its inner circumference; a plurality of balls are disposed between the inner and outer ring raceway surfaces; and a cage. In the outer circumference of the inner ring, an inner ring shoulder portion is provided on a first axial side of the inner ring and a counter bore is provided on a second axial side of the inner ring. A tapered surface extending radially outward toward the ball is formed in a portion that is in a circumferential wall of each pocket hole, and that is in an end on a first axial side of the cage. | 01-21-2016 |
20160061259 | TAPER ROLLER BEARING - A taper roller bearing includes: an inner ring; an outer ring; taper rollers; and a cage. A first sliding surface is provided in at least one of annular portions of the cage to slide-contact end surfaces of the taper rollers so as to axially position the cage by the end surfaces of the taper rollers. Second sliding surfaces are provided in the pillar portions to slide-contact an outer ring raceway surface so as to radially position the cage by the outer ring raceway surface. | 03-03-2016 |
20160069392 | RADIAL BEARING WITH VARIABLE LUBRICATION FLOW RESTRICTION - A bearing and bearing system includes a raceway with a first and a second radial flange, a cylindrical cage with openings placed between the first flange and the second flange, and rolling elements disposed in at least some of the openings. The cage is cut by a radial plane forming first and second circumferential edges so that in a first dynamic condition the cage has a first diameter and in a second dynamic condition the cage has a second diameter. | 03-10-2016 |
20160076593 | NEEDLE ROLLER CAGE WITH OIL SLOTS - A roller bearing cage and a roller bearing assembly are provided. The roller bearing cage has a cylindrical body formed with a plurality of pockets and a first cage rim at a first axial end of the body, the first cage rim including one or more axial passages. The cage has a second cage rim at a second axial end of the body, the second cage rim including one of more second axial passages. | 03-17-2016 |
20160108959 | TAPERED ROLLER BEARING - A tapered roller bearing is provided including an inner race not formed with a large flange so as to allow an increase in the load carrying capacity. The tapered roller bearing includes a retainer having a larger diameter ring portion configured such that, of the forces acting from an inner race and an outer race of the tapered roller bearing onto the tapered rollers, the components directed from the smaller diameter side to the larger diameter side of tapered rollers are received by the larger diameter ring portion, and the movement of the tapered rollers toward the larger diameter side of the inner race can be restricted due to the rigidity of the larger diameter ring portion of the retainer. This eliminates the need to provide a large flange on the inner race of the tapered roller bearing, so that the length of the tapered rollers can be elongated. | 04-21-2016 |
20160108963 | ROLLING BEARING CAGE FOR A RADIAL BEARING - A rolling bearing for a radial bearing, in particular a cylindrical roller bearing, including a number of cage pockets ( | 04-21-2016 |
20160108964 | ROLLING ELEMENT BEARING WITH CAGE - A rolling element bearing ( | 04-21-2016 |