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WO/2022/075155A1 |
A tapered roller bearing (1) comprises: an inner race (2); an outer race (3); a plurality of tapered rollers (4) that come into rolling contact with an inner raceway (21) and an outer raceway (31); and an annular retainer (5A) which has ...
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WO/2022/073531A1 |
The invention relates to a cage (1) for a rolling bearing (2), having an annular main body (3) which has multiple pockets (4) that are arranged in the circumferential direction and are designed to receive rolling bodies (15) of the rolli...
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WO/2022/073532A1 |
The invention relates to a sealed anti-friction bearing (1), consisting of an inner bearing ring (2) with a raceway (4) arranged on its outer shell surface (3), of an outer bearing ring (5) with a raceway (7) arranged on its inner shell ...
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WO/2022/069736A1 |
The invention relates to a method for extending the service life of a main bearing assembly (1) of a wind turbine (4), comprising at least one main bearing (10) with a rotation axis (13) with at least one bearing row (2), in which main b...
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WO/2022/071195A1 |
The present invention provides: a rolling bearing which is able to be decreased in the bearing torque, and helps a highly efficient motor to meet the standards; and an electric motor in which this rolling bearing is incorporated. A rolli...
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WO/2022/069696A1 |
The invention relates to a rolling device for a mobility apparatus, the rolling device comprising - a first support (12), - a second support (15), the first support and the second support being able to rotate with respect to one another,...
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WO/2022/070990A1 |
The present invention suppresses the causes of deterioration of the low torque property and rolling life of a crossed roller bearing, while avoiding excessive machining of an inclined raceway surface of the crossed roller bearing. An inc...
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WO/2022/071164A1 |
Disclosed is a state detection method for detecting a state of an oil film formed by a lubricant within a device configured such that the lubricant lubricates a plurality of sections, the method comprising: a measurement step for measuri...
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WO/2022/071194A1 |
Provided are: a rolling bearing excellent in channeling properties, and an electric motor incorporating the rolling bearing. A rolling bearing 1 has an inner ring 2 and an outer ring 3, a plurality of rolling elements 4 interposed betwee...
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WO/2022/071172A1 |
[Problem] To provide a rolling bearing which uses a highly reliable retainer, wherein: the dimensional stability required for a retainer, especially for an outer ring guided retainer, the ductility required for a crown retainer, and the ...
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WO/2022/065200A1 |
This bearing component (10) is made of steel, and has a quench-hardened layer (11) at a surface thereof. The quench-hardened layer contains a plurality of martensite crystal grains. The martensite crystal grains are divided into a first ...
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WO/2022/065199A1 |
A bearing device (1) is provided with: two bearings (5a, 5b) that support a main shaft (4); an inner ring spacer (6i); an outer ring spacer (6g); a load sensor (143) that detects an axial load applied to the outer ring spacer (6g); a def...
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WO/2022/064770A1 |
The present invention employs a plurality of pressing rolls (33) each having a roll center axis (β) disposed at an angle. A roll-processing surface portion (34) of each of the pressing rolls (33) is pressed against a plurality of circum...
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WO/2022/065248A1 |
This rolling bearing comprises: a steel outer race; a steel inner race which has a shared center axis with the outer race and is disposed on the inner circumferential side of the outer race; and a plurality of rolling elements which are ...
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WO/2022/065194A1 |
The present invention comprises an inner race (11), an outer race (12), a ball (13), a seal member (14), and a slinger (15), wherein: the seal member (14) has an annular base part (23), and an annular projection (24) extending in the axi...
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WO/2022/063579A1 |
The invention relates to an electric machine (10), comprising a stator (11) having a housing (22), a rotor (12) having a shaft (14), shaft bearings (17), by which the shaft (14) is rotatably mounted with respect to the housing (22), and ...
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WO/2022/065308A1 |
Provided is a backup roll unit that suppresses increases in rotational torque and leakage of lubricant in a structure in which a solid lubricant is sealed in a ball bearing supporting a backup roll. The backup roll unit 1 is for a tensio...
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WO/2022/065171A1 |
An angular ball bearing comprising: an inner ring having an inner ring track groove having a cross-sectionally arc shape in the outer peripheral surface; an outer ring having an outer ring track groove having a cross-sectionally arc shap...
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WO/2022/064955A1 |
At a second step (P2) for obtaining a second assembly (A2) in which a first assembly (A1) and a first seal member (7A) are combined, firstly, an outer ring (2) and a first roller cassette (9A) in the first assembly (A1) are supported fro...
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WO/2022/065214A1 |
According to the present invention, the outer peripheral portion of a pocket surface (S) of each column portion (6) of a cage (4) is formed to have a tapered surface extending so as to become closer to the inside of the pocket (7) at a p...
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WO/2022/065249A1 |
A rolling bearing comprising: a steel outer ring; a steel inner ring having a center axis shared with the outer ring and arranged on the inner peripheral side of the outer ring; and a plurality of rolling elements arranged so as to be ab...
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WO/2022/063652A1 |
Disclosed is a method for determining a viscosity of a lubricant (125) in a bearing (120) with two components (121, 122), which are designed to execute a relative movement, the components (121, 122) being lubricated by means of the lubri...
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WO/2022/065408A1 |
This bearing ring is made of steel and comprises: an inner circumferential surface; and an outer circumferential surface that is the reverse surface of the bearing ring from the inner circumferential surface in the radial direction. One ...
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WO/2022/064961A1 |
This electric actuator comprises: an electric motor 2; a motion conversion mechanism 4 for converting rotational motion generated through driving of the electric motor 2 into linear motion; a housing 6 that houses the electric motor 2 an...
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WO/2022/065168A1 |
A cage (7) which is formed of a plurality of cage segments (15) obtained through division in the circumferential direction and which is used for a roller bearing (B), wherein each of the cage segments (15) is provided with: a plurality o...
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WO/2022/059572A1 |
This bearing device (1) comprises: a housing (3) which accommodates a spindle (4) therein; a bearing (5a) which has an inner ring (5ia) and an outer ring (5ga) and rotatably supports the spindle (4) with respect to the housing (3); a pre...
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WO/2022/057750A1 |
An anti-loosening fastening assembly having a bearing structure, the assembly comprising a fastening nut and a fastening screw (4). A bearing inner ring (1) of the fastening nut is provided with an inner ring extension section (1a), and ...
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WO/2022/059281A1 |
[Problem] To provide a self-aligning roller bearing retainer in which it is possible to adopt not only a bearing guide method, but also a raceway ring guide method, without reducing the life of the bearing generated by skew or fretting o...
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WO/2022/059573A1 |
This bearing device (30) comprises: a bearing (5a) which rotatably supports a spindle (4) around a rotation axis (PO); a spacer (6) which includes an inner ring spacer (6i) adjacent to an inner ring (5ia) of the bearing (5a) and an outer...
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WO/2022/057987A1 |
The invention relates to a method of prolonging pitch bearing lifetime for a wind turbine as well as the pitch bearing itself. The method comprises the steps of: - stopping the rotor (4) from rotating; - removing a plurality of first fas...
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WO/2022/059485A1 |
A bearing according to the present invention is provided with a retainer for the bearing serving as a rolling element guide for retaining a rolling element interposed between inner and outer rings in a pocket. The pocket is provided with...
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WO/2022/060214A1 |
The present invention relates to a linkage unit (101) for a roller chain link assembly of a caterpillar track, the unit comprising a bushing (102) which has a body and a seat (103) retaining a sealing member (104) at each of the respecti...
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WO/2022/059685A1 |
Provided is a vehicle wheel bearing device comprising an outer-side seal that is resistant to deterioration over time and can prevent foreign matter such as muddy water from penetrating into the interior of a bearing. This vehicle whee...
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WO/2022/054658A1 |
In a grease-lubricated bearing device (J), a supply port (10) for supplying cooling compressed air is provided to the inner circumferential surface of an outer ring spacer (4). Barrier walls (33) for preventing the compressed air supplie...
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WO/2022/051878A1 |
A self-aligning roller bearing of an asymmetric structure, comprising an outer ring (101), an inner ring (102), rolling bodies (103), a retainer (104), and a spacer ring (105) designed in a narrow floating fashion. The rolling bodies (10...
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WO/2022/053382A1 |
The invention relates to a bearing assembly (1) having a first raceway element (2) and a second raceway element (4), wherein: balls (6) are arranged between the raceway elements (2, 4); the balls (6) roll on raceways (8) which are arrang...
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WO/2022/055091A1 |
The present invention is characterized in that a main shaft outer circumferential edge of a section, in which a rotor is inserted in a built-in motor-type main shaft of a machine tool, is formed inclined, and the inner diameter of the ro...
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WO/2022/054730A1 |
A resin-made cage (20) for a ball bearing is obtained by combining a first cage element (30) with a second cage element (50) in the axial direction. The first cage element (30) has pocket portions (31), first connecting portions (32), an...
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WO/2022/054352A1 |
A detection method of the state of a bearing device comprising an outer member, an inner member, and a plurality of rolling bodies, wherein while the bearing device is being applied a given load, an AC voltage is applied on an electric c...
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WO/2022/050290A1 |
Provided are: a silicon nitride sintered body that has good mechanical properties, in particular fracture toughness, and has good product life when processed into a product; a rolling body using same; and a bearing. The silicon nitride s...
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WO/2022/050297A1 |
In a tapered roller bearing (1), a dimensionless number X given by Expression (1) is defined by S1 representing a small-diameter-side gap between a small-diameter-side annular portion (6) of a cage (5) and a small collar portion (2b) of ...
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WO/2022/050298A1 |
This protrusion prevention jig (17) is used at the time of conveying or assembling an asymmetrical double-row self-aligning roller bearing (1) and prevents bearing constituting elements from being deviated from each other. The protrusion...
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WO/2022/050165A1 |
In the present invention, a bearing device simultaneously achieves both creep resistance and electrolytic corrosion resistance. At least one of an inner-diameter surface (11b) of an inner ring (11) and an outer-diameter surface (12b) of ...
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WO/2022/050267A1 |
According to the present invention, an R surface (22) and a small flange outer diameter surface (20) are smoothly connected to each other so that the small flange diameter surface (20) serves as a tangent line of the R surface (22), and ...
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WO/2022/048948A1 |
A tripod joint comprises a tripod star (10) with radially protruding pins (12); roller elements (13) which are rotatably mounted on the pins (12) by means of needles (14); a support ring (16) for the needles (14), said support ring radia...
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WO/2022/044901A1 |
Both axially terminal portions (16) of a column (14) of a retainer (12) are positioned at the outside diameter; an axially central portion (17) of the column (14) is positioned at the inside diameter; the axially terminal portions (16) a...
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WO/2022/043266A1 |
The invention relates to an electric motor (1) comprising a motor shaft (4) which is arranged in a motor housing (7). The motor shaft (4) is rotatably mounted about a rotational axis (8) in at least one rolling or ball bearing (6), which...
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WO/2022/045233A1 |
Provided are: a grease composition capable of achieving low dust generation while suppressing a deterioration in wear resistance or lifespan; and a rolling bearing in which the grease composition is encapsulated. A grease 7 includes a ba...
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WO/2022/041716A1 |
An internal meshing planetary gear device by means of which it is easy to realize a simplified structure. An internally toothed gear (2) has an annular gear main body (22), and a plurality of pins (23), which are held on an inner circumf...
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WO/2022/045190A1 |
Provided is an insulating rolling bearing that can prevent electrolytic corrosion, and that prevents hugging onto a shaft or the like and the falling out from an inner race or the like. The insulating rolling bearing comprises: an inner ...
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