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| Number | Title | Issue Date |
| 8123413 | Surface textured rollers A surface textured roller and a surface textured rolling element bearing comprising a plurality of micropores in a surface thereof is presented. The plurality of micropores may have a geometry selected from a hemisphere, a diamond shape, an ellipsoid, and a cone. Th... | 02/28/2012 |
| 7874736 | Oil-lubricated roller bearing assembly A roller bearing assembly is provided which is adapted to enhance lubrication performance for preventing seizure and for reducing frictional torque during rotation. The roller bearing assembly includes an inner ring (1), an outer ring (2) and a roller ... | 01/25/2011 |
| 7677809 | Tapered roller bearing, a tapered roller bearing assembly and a pinion-shaft supporting assembly using the same A tapered roller bearing is designed to have a roller loading ratio in the range of 0.7 to 0.92 and a ratio of roller length to roller diameter in the range of 1.1 to 1.7 whereby oil agitation loss and rolling viscous resistance are reduced for achieving the reducti... | 03/16/2010 |
| 7377042 | Method of cold-forming near net shape metal roller blanks for anti-friction bearings A machine, method and tooling to precision cold-form roller blanks for anti-friction bearings. The machine is a multistage progressive former using floating die cavities to enable simultaneous shaping of the ends of the roller with high accuracy and without flash. T... | 05/27/2008 |
| 7350978 | Taper roller bearing An end faced on an outer side in a radial direction of a small diameter annular portion of a retainer is disposed on an inner side in a radial direction of a pitch conical face of a taper roller and an end face on an inner side in a radial direction of a large diame... | 04/01/2008 |
| 7338213 | Barrel-shaped bearing A barrel-shaped bearing which comprises an external ring and an internal ring, at least one row of barrel-shaped rolling bodies arranged therebetween, the cage in the form of a disk which turns together with the rolling bodies, engages inside a peripheral groove aro... | 03/04/2008 |
| 7282078 | Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same A wear-resistant iron-based sintered contact material is provided which is sintered by powder sintering so as to have high density, high seizure resistance and wear resistance. A wear-resistant iron-based sintered composite contact component composed of the wear-res... | 10/16/2007 |
| 7281855 | Tapered roller bearing and final reduction gear A tapered roller bearing includes: an outer race including an outer raceway surface; an inner race including an inner raceway surface and a larger collar surface which is a concave curved surface; and tapered rollers provided between the outer and inner races, each ... | 10/16/2007 |
| 7275319 | Rolling element bearing having starved lubrication conditions A rolling element bearing comprises an inner ring and an outer ring which are each provided with a raceway, and a series of rolling elements which are in contact with the raceways of each ring. A lubricant film is provided in the contacts between the rolling element... | 10/02/2007 |
| 7264399 | Rolling element bearing having starved lubrication conditions A rolling element bearing comprises an inner ring and an outer ring which are each provided with a raceway, and a series of rolling elements which are in contact with the raceways of each ring. A lubricant film is provided in the contacts between the rolling element... | 09/04/2007 |
| 7255483 | Thrust rollers A thrust roller bearing system comprising an inner rotating member, an outer rotating member and multiple rollers coupling the inner rotating member with outer rotating member. The inner and outer rotating members include thrust lips to enable the rollers to act as ... | 08/14/2007 |
| 7182360 | Bicycle or skateboard peg with independently rotatable surface A roller peg includes a housing attachable to a bicycle or skateboard, the housing including a hole, and a roller that is inserted in the housing so that a surface of the roller protrudes from the hole and the roller spins within the housing. ... | 02/27/2007 |
| 7109632 | Surface wave sensor A surface acoustic wave sensor is applied to an object by an adhesive. There are reflectors on the sensor body used to determine expansion and contraction. Additional reflectors on a smoothed edge zone of the body remain at the same distance apart and the sensor tem... | 09/19/2006 |
| 7080702 | Rotating deck bushing with dust guard system A rotary deck bushing having an outer body held in a fixed orientation within a drill deck and an inner bushing portion that is configured for rotatable positioning within the outer body portion. A floating center bushing is removable positioned within the inner bus... | 07/25/2006 |
| 7048445 | Cylindrical roller bearing A cylindrical roller bearing suited for higher rotation speeds is provided, which can control heat generation, wearing, and other problems at contact portions between cylindrical rollers and flange portions. A cylindrical roller bearing is composed of an inner ring ... | 05/23/2006 |
| 7018107 | Rolling bearing comprising a powder metallurgical component Rolling bearing comprising an inner ring, rolling elements and an outer ring. According to one aspect of the invention the inner ring is produced by M62 steel powder metallurgical technique whilst the outer ring is a conventional stool ring. According to another asp... | 03/28/2006 |
| 6997617 | Roller bearing A roller bearing includes an inner ring, an outer ring, a plurality of cylindrical rollers each provided between rolling contact surfaces of the inner ring and the outer ring. Each of the cylindrical rollers includes an end face having a peripheral part that is crow... | 02/14/2006 |
| 6994474 | Rolling sliding member and rolling apparatus A rolling bearing includes: an inner ring mounted on a shaft to be supported; an outer ring provided around an outer periphery of the inner ring; a plurality of rolling elements rolling while contacting with an inner peripheral face of the outer ring and an outer pe... | 02/07/2006 |
| 6945699 | Bearing having anodic nanoparticle lubricant A bearing with lubricant having metal or metal alloy nanoparticles that are more anodic than the metal or metal alloy of which the inner or outer raceways of the bearing are constructed; and method for using the same. ... | 09/20/2005 |
| 6918157 | Rail structure for the door A rail structure for doors comprises a track rail body (3) which supports the door wheels (4) which are attached to a door (6) and freely roll on the track rail body (3), a load support member (2) which is extended along the track ... | 07/19/2005 |
| 6910948 | Needle bearing and method for grinding bearing parts thereof It is an object of the invention to provide a needle bearing which can prevent occurrence of flake and seizure in the bearing parts even under such severe lubricating condition as provided by a compressor for a car air conditioner or a planetary unit for an automati... | 06/28/2005 |
| 6886986 | Nitinol ball bearing element and process for making A bearing having bearing elements made of Type 60 Nitinol made by an investment casting process for producing near net shape parts of Nitinol includes making a ceramic mold having a series of spherical cavities, pouring molten Nitinol into the mold cavities, cooling... | 05/03/2005 |
| 6767134 | Roller bearing The contact portion of the end face of a conical roller, which is a portion to be slidingly contacted with a collar portion, is ground such that the outer contour line of the section thereof has a continuously curved line which passes through at least not only the f... | 07/27/2004 |
| 6764219 | Full complement antifriction bearing A full complement antifriction bearing includes an inner race, an outer race, and rolling elements organized in a circular row between the races without a cage or retainer for separating the rolling elements. While the absence of a cage or retainers enable the beari... | 07/20/2004 |
| 6702471 | Radial roller bearing A radial roller bearing has: an outer ring; an inner ring; and, a cylindrical roller interposed between the outer ring and the inner ring, the outer and inner rings respectively including flange portions formed in the end portions thereof so as to be oppo... | 03/09/2004 |
| 6663290 | Grooved bearing ball and rolling element A bearing with shallow grooves on the surface of the rolling element. In addition, pockets of lubricant are carried in its own internal structure via a network of through-holes crossing at its center which release lubricant to the grooves and surface of t... | 12/16/2003 |
| 6655845 | Bearings, races and components thereof having diamond and other superhard surfaces Diamond bearings and bearing components are disclosed. Some embodiments of the bearings and bearing components include polycrystalline diamond compacts sintered under high pressure and high temperature to create a diamond table chemically and mechanically... | 12/02/2003 |
| 6616339 | Roller bearing The roller bearing 10 comprises a plurality of rollers 15 which are respectively interposed between a concave-shaped race surface 12 formed on an outer race 11 and a concave-shaped race surfaces 14 formed on an inner race 13. Each of the rollers 15 is str... | 09/09/2003 |
| 6530693 | Cylindrical roller bearing A cylindrical roller bearing wherein the end surface of the rollers comes in contact with the guiding surface of the rib of the inner race with a contact ellipse therebetween, and at least one of the end surface and the guiding surface has a curved, conve... | 03/11/2003 |
| 6505974 | Ceramic ball bearings and assembly A ceramic ball bearing assembly (20) has raceway components generally held in residual compression by accompanying metal attachments. In a ceramic ball bearing assembly (20), an outer raceway (22) is formed that is held in compression by a circumscribing ... | 01/14/2003 |
| 6478470 | Needle bearing The invention relates to a needle bearing with an outer ring (1) terminating on both its ends in a collar (2, 3), and with bearing needles (4) guided in a cage in axis parallel disposition, as well as with a lubricant reservoir (9) arranged in the bearing... | 11/12/2002 |
| 6464398 | Roller bearing An amount of undulation by which the inner surface 11 of a large-diameter-side flange portion 8 formed in an inner ring 5 is undulated is defined as an axial deflection δ. And, the composite roughness of a contact portion between the inner surface 11 and... | 10/15/2002 |
| 6460498 | Rocker arm It is aimed to prolong the life of a rocker arm in which rollers are housed in a full type form between a ring and a pin from a viewpoint completely different from the idea of improving the material. It is proposed to suitably control the relation between... | 10/08/2002 |
| 6416228 | Rolling contact bearing for supporting heated rolls A rolling-contact bearing for a shaft journal wherein the outside diameter of the shaft journal is thermally insulated relative to the shaft through which a heat transfer medium flows. The bore of the inner race on the shaft journal is provided with a cer... | 07/09/2002 |
| 6371656 | Rolling element bearing with improved rolling contact surfaces A rolling element bearing comprises an inner ring, an outer ring and a series of rolling elements the rolling surface of which is in contact with the raceway surfaces of both rings, and possibly at least one flange the surface of which is in slidable cont... | 04/16/2002 |
| 6367982 | Cylindrical roller bearing A cylindrical roller bearing includes a plurality of cylindrical rollers disposed between a circular outer race and a circular inner race without using a retainer. The inner and outer races are devoid of annular flanges extending radially from opposite ax... | 04/09/2002 |
| 6354745 | Fully self-aligning roller bearing An antifriction bearing having inner and outer races and rollers between the races accommodates axial misalignment of the races and also axial displacement of one race relative to the other. In one form, the inner race has a cylindrical raceway presented ... | 03/12/2002 |
| 6328477 | Tapered roller bearings and gear shaft support devices A tapered roller bearing and an automotive gear shaft support device which can ensure a long endurance life even in the state in which debris is mixed. On the surfaces of an outer ring, inner ring, and tapered rollers formed from carburized bearing steel ... | 12/11/2001 |
| 6315458 | Roller bearing The roller bearing 10 comprises a plurality of substantially cylindrical-shaped rollers 15 which are respectively interposed between a concave shaped race surface 12 formed on an outer race 11 and a concave-shaped race surfaces 14 formed on an inner race ... | 11/13/2001 |
| 6311660 | Rolling-contact cylindrical element In a case where crowning is provided on a contact surface of a tappet roller by the combination of, for example, two circular arcs, a logarithmic crowning is determined in which an edge load does not occur in the bearing pressure even if its inclination w... | 11/06/2001 |
