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JP2022067418A |
To provide a rolling bearing capable of adjusting a clearance by following a temperature rise during bearing operation while keeping an initial clearance as it is, and capable of being used at high speed rotation (for example, high speed...
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JP7054637B2 |
The invention relates to a rotation unit and method for adjusting bearing clearance. The rotation unit (7) comprises a shaft (14) that is rotated around its longitudinal axis by means of a rotating motor (15). The shaft is supported to a...
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JP7049297B2 |
Provided is a preload inspection method with which a preload value can be calculated more accurately. Furthermore, provided is a preload inspection method with which a pass/fail with regard to a preload state can be determined more accur...
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JP2022053084A |
To accurately detect a post-assembling preload of a bearing device.A bearing device (1) comprises two bearings (5a, 5b) for supporting a spindle (4), an inner ring spacer (6i), an outer ring spacer (6g), a load sensor (143) for detecting...
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JP2022047214A |
To make improvement of a turning system, which includes suppression of deterioration in accuracy in detecting an abnormality of a converter, due to variation of a position of a bearing provided between an electric motor and a turning sha...
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JP2022034923A |
To provide a preload inspection method of a wheel bearing device capable of determining a preload more accurately.A preload inspection method includes: a process S02 for press-fitting an inner ring 4 to a small-diameter step portion 3a; ...
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JP2022034925A |
To provide a preload inspection method of a wheel bearing device capable of inspecting a preload with high reliability.A preload inspection method includes: a press-fitting process S02 for press-fitting an inner ring 4 to a small-diamete...
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JP2022034924A |
To provide a preload inspection method of a wheel bearing device, capable of inspecting a preload with high reliability.A preload inspection method includes: a press-fitting process S02 for press-fitting an inner ring; a first bearing pr...
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JP2022034926A |
To provide a preload inspection method of a wheel bearing device capable of determining preload more accurately.A preload inspection method includes: a process S03 for measuring a first inner ring height after a press-fitting process S02...
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JP2022027397A |
To provide a method of accurately measuring a preload applied to a bearing device.A method of measuring a preload on a bearing device 10 comprising an outer ring 11, an inner shaft 12, and a plurality of rolling bodies 13 provided betwee...
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JP2022024887A |
To provide a structure which can excellently secure the rigidity of an outer component and enables efficient adjustment of precompression applied to a rolling element.An electromagnetic coil 4 is disposed in the circumference of an outer...
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JP2022017942A |
To prevent contraction of a spacer by an easy method that does not increase the cost, and to prevent a gap from being formed between a bearing and the spacer when a main shaft rotates.A main shaft device 1 in which a main shaft 3 is held...
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JP2022012514A |
To provide a cage for a thrust roller bearing which can stabilize the distance between cage members, and the posture when combining the cage members, and its manufacturing method.A cage for a thrust roller bearing has an outside circular...
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JP2022012435A |
To provide a power transmission device which is reduced in a cost by simplifying a constituent which is assembled to a drive pinion, and suppressed in rotation imbalance.A power transmission device 8 comprises: a differential device 50; ...
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JP6993301B2 |
The utility model provides a prepressing applying device and a vehicle driving device. The prepressing applying device applies prepressing to a bearing in the direction orthogonal to the box assembling direction through a simple structur...
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JP2021181792A |
To provide a cage for a self-aligning roller bearing excellent in bearing assembly workability and capable of adopting not only a roller guide system but also a bearing ring guide system without causing the skew motion and fretting of ro...
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JP2021177133A |
To provide a preload measurement method of a bearing device that can measure the preload more accurately.A preload measurement method of a bearing device includes: a contact angle acquisition step for acquiring contact angle information ...
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JP6959068B2 |
A structure applies a pre-load to a rolling bearing, which makes pre-load control easier than heretofore and enables low cost production. A pre-load applying structure is configured to apply a pre-load to a bearing of a scanning part of ...
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JP2021173300A |
To provide a power transmission device for a vehicle which can suppress the generation of noise by suppressing a radial variation.A second rotor shaft 28 and a reduction shaft 30 are relatively non-rotatably connected to each other with ...
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JP2021173319A |
To provide a manufacturing method of a double-row bearing which can accurately detect a preload, and the double-row bearing which is manufactured by the manufacturing method.A double-row bearing is manufactured by the following processes...
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JP6955546B2 |
The invention relates to a rolling bearing arrangement with: a housing (10), a shaft (20), a first rolling bearing and a second rolling bearing for rotatably supporting the shaft in the housing, wherein the first rolling bearing is desig...
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JP2021151812A |
To reduce noise of a speed reducer.A shaft support structure 101 of a speed reducer 100 including a worm shaft 2 coupled to an electric motor 7 and a worm wheel 1 engaged with the worm shaft 2 includes a first bearing 4 that supports a p...
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JP6941594B2 |
A method for monitoring the spindle preload amount of a spindle by: S1 obtaining a spindle preload amount through a PPC Preload Analyzer; and S2 obtaining an axial force sensor output of the spindle through an axial force sensor, wherein...
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JP2021148710A |
To provide a preload inspection method capable of simply calculating a preload even in a state after completion of assembly as well as during an assembling process and to provide a preload inspection method capable of easily determining ...
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JP6934801B2 |
Provided is a rack bush capable of reducing an effect on the feeling of a steering operation. A rack bush (1) comprises: a rack bush 1 housed in a cylindrical housing (4), which supports a load applied to a rack bar (5) while allowing mo...
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JP2021129371A |
To realize a motor device in which the influence of heat on a bearing is reduced.A motor device includes an armature shaft 4 that is supported in a freely rotatable manner, a radial bearing 41 that is in contact with the outer circumfere...
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JP6931085B2 |
A hybrid module for a drive train of a motor vehicle comprises a housing, a disconnect clutch, and a hydraulic actuating unit cooperating with the disconnect clutch and received on the housing. The module includes an electric motor, wher...
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JP2021124168A |
To support a rolling bearing B stably to prevent rattling of the rolling bearing B.A rolling bearing B having an inner ring 19 and an outer ring 14 is provided in a casing C. Further, in a water removal machine or dust removal machine, t...
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JP6917361B2 |
A tensioning arrangement for a bearing ring, which introduces a compressive force towards a rotational centre of the bearing ring, to prevent the bearing ring distorting as a shaft supported by the bearing turns. The tensioner arrangemen...
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JP6912966B2 |
A double-row self-aligning roller bearing has rollers interposed, in two rows aligned in a bearing width direction, between an inner ring and an outer ring. The outer ring has a spherical raceway surface. Each of the rollers has an outer...
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JP6899706B2 |
An assembly includes a first structure, a first bearing assembly, and a second structure. The first structure has a first predetermined stiffness, and the first bearing assembly is mounted on the first structure. The second structure, wh...
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JP6896938B2 |
A very compact play-free bearing unit includes a bearing that runs without play while having a reasonably large play when assembling and during disassembly of the bearing unit from its axle. The bearing unit uses three bearings, one of w...
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JP6893170B2 |
An actuator 10 includes a guide 12 that extends in one direction and a slider 20 that is movable in an axial direction with respect to the guide 12. Either the guide 12 or the slider 20 has a recessed cross-section, and the slider 20 is ...
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JP2021089058A |
To provide a thrust receiving structure of a rotor capable of preventing generation of noise and vibration, and abrasion wear of a retainer by preventing falling-down of needle rollers of a thrust needle bearing by centrifugal force.In a...
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JP2021514048A |
A tilting pad bearing (1) having a tilting pad (5,5'), wherein the tilting pad (5,5') is the tilting pad (5,5') and a rotating body (2). The tilting pad (5,5') can be tilted relative to the housing body (4) to create a tapered bearing ga...
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JP6873754B2 |
To provide a double-row self-aligning roller bearing which is advantageously used for receiving different loads, axial load and radial load, on each of rollers of double rows aligned in an axial direction, and which can sufficiently maxi...
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JP6873531B2 |
To provide a slide bearing which enables a reduction of the number of components and assembly man-hours and can be manufactured at a lower cost.A rack bush 1 is housed in a cylindrical housing and supports a load applied to a rack shaft ...
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JP6871767B2 |
To provide a double-row self-aligning roller bearing which is advantageously used for receiving different loads, axial load and radial load, on each of rollers of double rows aligned in an axial direction, and which can sufficiently maxi...
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JP6863477B2 |
Provided is an electric motor in which, as a member used for fixing a bearing for supporting the rotating shaft of a rotor, a member can be used that does not have such a restriction that the coefficient of thermal expansion thereof is t...
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JP6863882B2 |
Provided is a technique capable of easily obtaining necessary bearing characteristics even when environmental temperature changes, when coefficients of linear expansion of a carrier and casing are different. The planetary gear device com...
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JP2021060047A |
To suppress the wear of a bush even in a long-time use by bringing the contact of the bush and a member which slides to the bush into face contact, and to enhance the maintainability of backlash elimination, in the bush which is arranged...
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JP6844128B2 |
To provide a hub unit capable of reducing rotational resistance of a wheel while restraining reduction in support rigidity of the wheel.A hub unit 1 comprises an outer ring 2 having a cylindrical part 21 for forming first and second outs...
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JP2021032323A |
To provide a bearing fixing structure of a motor case having bearing fixing means for adjusting a position of a bearing in an axial direction which is movable in the axial direction of a spindle from the outside of the motor case, and fi...
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JP2021025634A |
To provide a rolling bearing which can reduce an installation space of an elastic body for imparting a preload, its manufacturing method and a bearing structure.In a rolling bearing 1 having an inner ring 2, an outer ring 3 and a plurali...
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JP6823902B2 |
To provide a slide bearing which can elongate a life by improving the durability of an elastic body.A rack bush 1 comprises: a cylindrical bush main body 2 which is accommodated in a cylindrical housing, and supports a load applied to a ...
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JP6816063B2 |
A preload judgement device includes: a preload obtaining unit configured to obtain a preload that acts on a bearing that pivotally supports a drive shaft of a motor; and a notification unit configured to give notification that the preloa...
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JP6818343B2 |
[Problem] To provide a double-row ball bearing which can be installed requiring a reduced space and which has high resistance to a load. [Solution] An inner race 3 is split into two pieces consisting of a first inner race 31 and a second...
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JP6814378B1 |
To provide a bearing capable of exhibiting high bearing performance and improving the service life. A bearing 1 includes an outer ring 2, an inner ring 3, and a plurality of first rolling elements 4. The first rolling element 4 has a mai...
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JP6809966B2 |
To provide an internal combustion engine that further improve support rigidity for a crankshaft and can effectively suppress crank striking sound.An internal combustion engine 23 includes: a crankcase 24 for sectioning a crank chamber 36...
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JP6806827B2 |
Provided is a preload inspection method for a wheel bearing device enabling more accurate checking of preload. The invention comprises: a press-fitting step S02 for press-fitting an inner ring 4 to a small-diameter stepped part 3a; a fir...
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