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JP2007255598A |
To provide a roll bearing for a rolling mill roll neck showing high rated load with solid rollers and enabling to manufacturing the same at low cost. The roller bearing for the rolling mill roll neck is provided with a plurality of rolle...
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JP3984872B2 |
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JP2007247678A |
To provide a double row roller bearing easily assembled without disposing filling grooves of rollers to a collar of a bearing ring, and high in rated load. The double row roller bearing comprises: an inner ring 12; an outer ring 14; and ...
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JP2007247815A |
To reduce vibration and noises resulting from the splitting of a split cage for a roller bearing and the unequal arrangement of rollers along the circumferential direction during the operation of the bearing, and to prevent the number of...
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JP2007247814A |
To provide a split type rolling bearing to be assembled without restricting its assembling efficiency, while reducing its dragging resistance during the operation of the bearing and suppressing the vibration, noises and breakage of split...
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JP2007247703A |
To provide a bearing and a method for bearing a shaft of a rotor, which are adaptable for various applications for bearing the shaft of the rotor, reduce weight, and save on a space. This bearing 200 is provided with a pair of storage pa...
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JP3981564B2 |
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JP3982224B2 |
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JP2007238092A |
To provide an in-wheel motor driving device, small-sized, light, and having excellent durability and high reliability. This in-wheel motor driving device 21 includes: a casing 22; a motor A; a decelerating part B; a wheel hub 32; and a w...
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JP2007239834A |
To provide a roller bearing with a cage having a structure with one raceway ring eliminated and in which movement of rollers in the axial direction is positively regulated, which is capable of smoothly supplying a lubricating oil from an...
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JP2007232204A |
To easily assembly rollers, to reduce machining costs, and to improve strength of a cage. In an example of (a), the rollers 3 of double raw are retained by a machined cage 11, flange portions 5 are formed at both sides of an outer ring 1...
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JP2007232191A |
To provide a roller bearing with resin spacers laid between rollers, for reducing the possibility of the disappearance of a circumferential gap in the bearing when operated while preventing the occurrence of a crack in the spacers when a...
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JP3974115B2 |
A bearing device for a wheel enabling the easy control of quality since there is no possibility of cracking even if caulking is applied thereto. The bearing device comprises an outer ring (3) having double rows of raceway surfaces on the...
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JP2007218427A |
To simplify an assembly process by easily carrying out preload adjustment. In a third generation rolling bearing device, an inner ring 3 is attached to a small diameter part 22 in a one end side of an inner shaft 2. Screw parts 12, 13, a...
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JP3965906B2 |
To provide a method of assembling a power roller unit capable of avoiding a contact between an edge part of a rolling groove and a ball and preventing flawing to the surface of the ball when fitting a ball unit on an outer circumference ...
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JP2007211911A |
To provide a double row ball bearing highly accurate and easy to manufacture, its manufacturing method and a bearing member for the double row ball bearing. An outer periphery of an inner ring 4a of a first ball bearing 4 is provided in ...
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JP2007211990A |
To make it hard to subject a spline part formation portion on an inner periphery of a shaft body to deformation during caulking process through a method of manufacturing a bearing device, and to enable to maintain high accuracy of the sp...
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JP2007524045A |
Rolling bearing comprising at least one ring with raceway and rolling elements. To increase resistance against failure in an environment containing hydrogen disulphide the related part of the rolling bearing is coated with a nickel-phosp...
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JP2007211863A |
To improve incorporation performance into an actual machine, by reducing a roller dropping quantity to an inner diameter side of a bearing, in a cylindrical roller bearing of interposing a spacer between cylindrical rollers. This cylindr...
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JP2007211822A |
To provide an assembling method of a linear motion guide bearing device capable of preventing damaging of a lip part of a lubricant including member when installing a lubricant supply unit on a temporary shaft. A temporary shaft 10 havin...
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JP2007205535A |
To provide a cage for a rolling bearing, and the rolling bearing capable of incorporating rolling elements without damaging the cage, and preventing a raceway surface of a bearing ring from scratch in incorporating. This cage for the rol...
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JP2007198539A |
To provide a roller bearing and an assembling method of a roller bearing, in which press-in force of a tapered bush can be constantly managed in a tapered bush pin-type retainer. The roller bearing 10 comprises a plurality of rollers 12 ...
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JP2007198432A |
To preclude a roller of a rolling element from being separated (coming off) easily out of a cage to enhance assemblability and disassemblability. The roller 4 of the rolling element is prevented from coming off easily out of the cage 5. ...
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JP2007192378A |
To provide a hub unit for preventing generation of a false impression of a bearing track part, by preventing the occurrence of fretting abrasion by vibration in transport. This hub unit 1 is half-sealed by a seal member 29 and a cover 44...
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JP3134109U |
To facilitate an assembly work and reduce the number of parts, the main portions of an outer ring portion 10 and an inner ring portion 30 of a hub unit bearing 8 are integrally formed. Since these must make point contact with the ball ro...
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JP3952671B2 |
To solve a problem that a needle roller is inclined along an inclined face and thereby a retaining state of the needle roller is unstable when an annular press portion is pressed out of a through-hole, because of a large difference betwe...
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JP2007182915A |
To eliminate a stiff feeling and backlash, by improving durability and assembling performance, while increasing load capacity, by increasing the number of incorporated rollers in a non-drop out form.This roller bearing supports a pinion ...
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JP2007182906A |
To provide a rolling element storage belt and linear motion guide device which facilitate assembling work of the rolling element storage belt, and also to provide a manufacturing method of the linear motion guide device.In the linear gui...
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JP2007185068A |
To reduce the number of assembling man-hours and the number of parts by eliminating the necessity of separately manufacturing a retaining washer and a thrust washer or separately assembling them on a bearing housing.A disk-like member 9 ...
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JP2007177809A |
To provide a method of easily assembling a rolling bearing for a wheel at low cost.A first inner ring member 2a is inserted into an outer ring member 1 after a first tapered roller row held by a cage 4 is inserted into the outer ring mem...
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JP3942366B2 |
To prevent a fitted hub from being loosened from an outer joint member. A hardened uneven part 31 is formed on a fitting surface 16 of a hub 10 with the outer joint member 41 fitted to an inner circumference thereof. A low-hardened part ...
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JP3938901B2 |
To improve accuracy in measuring NRRO by reducing locational deviations of a bearing to be measured. In this NRRO measuring apparatus, with one bearing ring of the bearing positioned by a holder, NRRO of the bearing is measured by rotati...
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JP2007155028A |
To prevent the unreasonable insertion of a rolling bearing cage into a rolling bearing when assembled.The rolling bearing cage 40 comprises a plurality of pockets 46 arrayed in the circumferential direction. Each pocket passes through th...
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JP3931521B2 |
To stably and circumferentially arrange a plurality of balls 3 and 3 constituting a ball bearing 16 at regular intervals without damaging the balls 3 and 3. An inner ring 1 and an outer ring 2 constituting the ball bearing 16 are mutuall...
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JP2007139034A |
To provide an assembling method for efficiently incorporating needles 6, 6 into a plurality of pockets 13 of a cage without damaging the cage and the needles 6, 6.The cage in use consists of a pair of cage elements 18, 18 combined, 18. T...
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JP2007139073A |
To provide a wheel bearing device assembled by using an automatic machine to reduce the number of assembling man-hours, and to provide its assembling method.A method is provided for assembling the wheel bearing device which has a hardene...
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JP2007127144A |
To smoothly roll rolling elements (balls) even by very low voltage from a voice coil motor.The shape of retainers 10 is designed in consideration of dismounting it later. The retainers 10 have flange portions 11 on the other side of thei...
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JP2007127248A |
To reduce torque loss caused by flow resistance of lubricant in a tapered roller bearing where the lubricant flows into its inside.In the tapered roller bearing, an inner space of the bearing which the lubricant flows in is enlarged on a...
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JP3912543B2 |
An apparatus of producing bearing device having a bearing, a shaft attached to an inner ring and an outer ring attaching member attached to an outer ring. The apparatus includes a vibrating unit of giving a radial input vibration to each...
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JP3907820B2 |
To facilitate the assembly without generating excessive deformation in a holder, and to smoothly draw out an inner ring assembly from an outer ring during the disassembly. In an angular ball bearing of outer ring detachment type, the out...
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JP3905432B2 |
To provide a thrust needle shaped roller bearing in which the fluidity of lubricating oil is improved, the drilling abrasion of holders is suppressed and strength and durability are improved. The thrust needle shaped roller bearing 1 has...
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JP3905398B2 |
To provide a bearing device for a driving wheel in which loosening is not generated in a coupled part even though a great moment load acts on the device, the stiffness of the device can be enhanced, a double-row rolling bearing and a con...
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JP2007092873A |
To improve productivity by making it easy to automate a press-fitting process of a ball into a ball receiving portion as well as permitting the ball to be press-fitted into the ball receiving portion from any of one and the other sides o...
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JP3902356B2 |
To prevent relative rotation or creep reliably and improve durability of an axle bearing, in which an inner race is fixed through caulking an end portion of a hub wheel, by engaging the hub wheel and inner race directly or indirectly and...
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JP3901874B2 |
To provide a double row conical roller bearing device to provide an increased life for a bearing. The working line of a rolling body load crosses outside the radial direction of an outer ring 2. Two inner ring raceway 1a is formed on an ...
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JP3901522B2 |
To increase a production efficiency by facilitating an oil filling operation for filling lubricating oil into a fluid bearing. This oil filling tool comprises a receiving plate 2 having a plurality of bearing holding parts 3 for holding ...
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JP2007078043A |
To easily arrange balls at generally equal intervals by a rather simple device without allowing a worker to touch the balls.In this ball arrangement method for ball bearings, the plurality of balls 3 are arranged at generally equal inter...
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JP3896803B2 |
To simplify a structure of pre-loading equipment and make pre-loading work for a double row ball bearing unit 1a easy while regulating loss torque accurately. A holder 11a for holding an internal cylinder 15 and a press-push arm 14a for ...
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JP3897223B2 |
To provide a tapered roller bearing making it possible to strictly control the axial clearance of a tapered roller between the large flange and the small flange of an inner ring without requiring various dimensional control or the like d...
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JP2007071312A |
To provide a dynamic pressure bearing device capable of fixing a thrust member and a shaft member powerfully without reducing rigidity of a bearing.Chamfers 9e, 9h and a large diameter inner peripheral face 9f are provided at one end of ...
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