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| Number | Title | Issue Date |
| 8177437 | Rolling bearing, retainer segment and main shaft support structure of wind-power generator A rolling bearing (11) comprises a plurality of rollers, and retainer segments (15a) retaining the rollers and split along a split line extending in an axial direction. The retainer segment (15a) has a plurality of pillar parts ( | 05/15/2012 |
| 7931410 | Machined cage for cylindrical roller bearing and method of manufacturing the same A strength of a machined cage for a cylindrical roller bearing is increased without reducing a bearing life. An integral machined cage for a cylindrical roller bearing includes: a pair of side plates (42, 44); a plurality of columns (46), which are arr... | 04/26/2011 |
| 7891881 | Drawn cup roller bearing A drawn cup roller bearing includes: an outer ring including a raceway surface; a first rib formed at one end of the outer ring by being bent substantially perpendicular to the raceway surface; a second rib formed at the other end of the outer ring by being bent inw... | 02/22/2011 |
| 7883273 | Cage for roller bearing An end portion of a pin 2 rotatably supporting a rolling body 1 is fitted in a pin-receiving hole 4 formed in an annular side plate 3. The pin-receiving hole 4 has interference in a range from 5 to 40 μm between itself and the out... | 02/08/2011 |
| 7866895 | Cage for roller bearing and manufacturing method thereof In the present cage, both pillar portions which face each other in a circumferential direction of a pocket have a plurality of bent portions which are alternately bent in a width direction, and each bent portion is provided with roller stopping portions protruding i... | 01/11/2011 |
| 7857521 | Bearing apparatus for a wheel of vehicle A vehicle wheel bearing apparatus with a back-to-back double row tapered roller bearing has an outer member integrally with a body mounting flange and double row outer raceway surfaces tapered open respectively axially inward and outward. An inner member include a w... | 12/28/2010 |
| 7789570 | Tapered roller bearing A tapered roller bearing has an increased load capacity and has a decreased maximum face pressure on the raceway surfaces without lowering the rigidity of the cage. The tapered roller bearing includes an inner ring, an outer ring, multiple tapered rollers rollably d... | 09/07/2010 |
| 7766555 | Roller bearing and method of assembling the same A roller bearing utilizing a roller retainer, which has an excellent assemblability in the sense that the assembly line can be automated and which eliminates various problems inherent in the full complement roller bearing The roller bearing includes an outer race ha... | 08/03/2010 |
| 7611289 | 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 retai... | 11/03/2009 |
| 7594761 | Cylindrical roller bearing and cage for cylindrical roller bearings Let r be the radius of curvature of the corners of pockets of a cage, and Lw be the length of cylindrical rollers. They are set such that the relation r/Lw≧0.1 holds. Further, the relation r/k1≦1 holds, where k1 is the minimum dimension on the inne... | 09/29/2009 |
| 7530743 | Double row cylindrical roller bearing A cylindrical roller bearing with synthetic resin cages, in which heat generation of the bearing during high speed rotation is suppressed, while sufficient rigidity and strength is secured, so that the bearing is excellent in high speed performance. The cylindrical ... | 05/12/2009 |
| 7488114 | Rolling bearing retainer A rolling bearing retainer (1) for a cylindrical roller bearing is characterized by the fact that a web center part (4.2) is provided with a respective projection (4.3) on a circumferential side, and these projections (4.3), by twisting t... | 02/10/2009 |
| 7419307 | Rotary machine A rotary machine may include an inner component and a first group of cylindrical rollers disposed around the inner component. Each of the cylindrical rollers may have end-faces. The rotary machine may further include an outer component with a first cylindrical inner... | 09/02/2008 |
| 7390127 | Roller bearing assembly To provide a roller bearing assembly that can provide a high load bearing capacity and in which the strength of roller retainers can be increased, the roller bearing assembly includes inner and outer roller retainers (13, 23) each having a plurality of circum... | 06/24/2008 |
| 7364365 | Conrad bearing cage The present invention provides a method and apparatus for retaining bearing balls in a bearing assembly. For example, a cage assembly may comprise an annular cage having a plurality of pockets in which to snap-in bearing balls via openings having a width less than t... | 04/29/2008 |
| 7366443 | Constant-velocity joint and image-forming device A constant-velocity joint includes an outer ring formed with an annular space therein having an opening at one end thereof. The annular space is defined by a radially outer wall and a radially inner wall. One of the radially inner and outer walls is formed with thre... | 04/29/2008 |
| 7361119 | Needle bearing and speed reducer using the needle bearing A radial inner end of a retainer is spaced radially outwardly from a radial outer end of a sliding-contact region, and with this construction the axial movement of each needle roller is limited not by the retainer but by an inner ring, and a restriction flange. Ther... | 04/22/2008 |
| 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 |
| 7320550 | Tapered roller bearing A tapered roller bearing includes an outer race, an inner race, a plurality of tapered rollers, and a cage. A small-diameter end portion of the inner race is formed with a small flange portion for limiting axial movement of the tapered rollers and a cylindrical port... | 01/22/2008 |
| 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 |
| 7234869 | Sink roll bearing having ceramic elements for supporting the roll's shaft A bearing for supporting a shaft submerged in molten zinc, has a bearing surface comprising a steel cylindrical liner having slots retaining ceramic shaft-engaging bearing elements. ... | 06/26/2007 |
| 7234873 | Rolling-contact bearing containing solid lubricant therein A cage, rollers and solid lubricant are all formed integrally into a complete unitary molding with using difference in thermal expansion in a mold. Assembling the complete unitary molding into the race in the rolling-contact bearing is made easier. The complete unit... | 06/26/2007 |
| 7229215 | Double-split cage A double-split cage includes a strip-shaped metallic sheet curved into a semi-cylindrical shape and having several pockets for accommodating a single row of rollers arranged in the circumferential direction. The strip-shaped metallic sheet has two arch portions sepa... | 06/12/2007 |
| 7220060 | Roller bearing To provide a roller bearing assembly, which can be assembled with a minimized number of assembling steps and without any drop-off preventing sleeve being employed and which can provide a large load bearing capacity, the roller bearing assembly includes an inner race... | 05/22/2007 |
| 7219580 | Cam follower for power tongs and other uses A power tong or back-up tong has a jaw assembly that is advanced into engagement with a pipe through a cam follower that contacts the camming surface on the inside circumference of a ring gear, the cam follower being in the form of a series of roller elements arrang... | 05/22/2007 |
| 7210854 | Rolling-bearing cage A cage for cylindrical rolling-contact elements, in which two rolling-contact elements that are in contact with one another at their lateral surfaces are arranged in series in the circumferential direction in a pocket and in which each of the two rolling-contact ele... | 05/01/2007 |
| 7182520 | Full type tapered roller bearing A bearing assembly includes a full type tapered roller bearing and a roller presser which prevents separation of the rollers not only during transportation but while the outer ring is not mounted. The roller presser includes a ring member, and a plurality of arms ex... | 02/27/2007 |
| 7178986 | Rolling bearing In a rolling bearing including a cage arranged in an annular space between an outer ring and an inner ring, a plurality of rolling elements held by the cage, and a solid lubricating agent provided in the cage, the cage has a plurality of rolling element receiving po... | 02/20/2007 |
| 7175351 | Tapered roller bearing A tapered roller bearing comprises an outer race, an inner race, a plurality of tapered rollers, and a cage. A small-diameter end portion of the inner race is formed with a small flange portion for limiting axial movement of the tapered rollers and a cylindrical por... | 02/13/2007 |
| 7171868 | Bearing assembly A bearing assembly which spaces bearing elements in an unequal relationship from one bearing element pocket to the next. The spacing minimizes the likelihood that the bearing elements will rest in the exact same location on an inner and outer race to reduce the pote... | 02/06/2007 |
| 7147926 | Corrosion-resistant and stain-resistant component and method for manufacturing same A multi-layer corrosion protection system and a method for applying the multi-layer corrosion protection system. The system comprises a corrosion-resistant layer plated onto a metallic substrate. The corrosion-resistant layer may be deposited using an autocatalytic ... | 12/12/2006 |
| 7144162 | High speed rolling element bearing anti-cavitation cage A rolling element bearing anti-cavitation cage is a circular ring with a plurality of cage pockets at predetermined intervals along a circumference of the circular ring. Each of the cage pockets has at least one groove on the leading edge of the cage pocket and at l... | 12/05/2006 |
| 7124868 | One-way clutch device and method for manufacturing the same A one-way clutch device comprises a plurality of torque transmission members interposed between an inner race element and an outer race element for performing torque transmission therebetween only during one-way relative rotation. A cage has a pair of flanges for ho... | 10/24/2006 |
| 7121729 | Damped bearing cage Method and apparatus are provided for reducing vibration in bearings. There are provided first and second bearing rings with races, rotating members rollingly engaging both first and second bearing races, a cage for aligning the rotating members between the first an... | 10/17/2006 |
| 7100416 | Carrier and method of manufacturing carrier A carrier C is integrally formed of a pair of flanges opposed to each other and designed to rotatably support rotating bodies therebetween and a plurality of joints for connecting the flanges. A groove is formed on the border between the flanges and the joints, and ... | 09/05/2006 |
| 7093471 | Split cage for a deep rolling mechanism The present invention provides an apparatus for deep rolling an elongate workpiece such as a crankshaft or a camshaft. the apparatus includes upper and lower tools. At least one of the upper and lower tools includes a tool housing with a shaft extending therein. A r... | 08/22/2006 |
| 7066654 | Counter-rotating antifriction bearing assembly Disclosed herein is a bearing assembly comprising: an outer race having an inner surface; an inner race having an outer surface, the inner surface of the outer race and the outer surface of the inner race defining a bearing assembly raceway; a plurality of main roll... | 06/27/2006 |
| 7033081 | Ball bearing A ball bearing in which an annular cage with a plurality of pockets formed through the annular cage is incorporated between inner and outer rings, a ball is housed in each pocket, the annular cage is guided by the outer ring, and a relationship between a radial clea... | 04/25/2006 |
| 7022021 | Universal joint roller assembly A tripot universal joint has a plurality of roller assemblies mounted on trunnions of a drive shaft and run in longitudinal tracks of a housing. Each roller assembly includes a roller and a needle roller bearing for rotatably mounting the roller on a roller carrier.... | 04/04/2006 |
| 6988833 | Roller bearing with cage fastener A roller bearing with cage fasteners that prevent cage separation under adverse operating conditions. The roller bearing has an inner race, outer race, a plurality of rollers, a roller cage, and cage fasteners. The inner race is disposed about a rotational axis and ... | 01/24/2006 |
