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JP4026093B2 |
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JP2007327552A |
To provide a hub unit having bearing rigidity corresponding to a travelling condition without the need for complicated electrical construction. The hub unit 1 comprises an outer ring 5b, a hub wheel 4 having a hub body 4b and a wheel mou...
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JP2007326503A |
To provide a bearing device for driving a wheel which is easy to assemble and disassemble at low cost and contributes to reliability and driveability by suppressing the occurrence of a circumferential backlash at an engaging part. A hub ...
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JP2007326420A |
To provide an electric steering system capable of facilitating assembly, in which the fluctuation of pre-load assigned to an input shaft of a reduction gear mechanism is small and the fluctuation of the driving torque of the input shaft ...
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JP2007315413A |
To provide a gear device of relatively simple structure, capable of changing pre-load applied on a bearing according to thrust force generated in a rotary shaft and facilitating tuning for vibration control. Since a pre-load adjustment d...
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JP4017358B2 |
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JP2007309421A |
To provide a pre-load loss preventive structure of a conical roller bearing which prevents pre-load loss of the conical roller bearing even in a high temperature region. A biasing member 6 presses an end on an end surface 51 side of a fi...
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JP4009801B2 |
A preload measuring apparatus to measure the preload of a rolling bearing that includes a bearing support, a pressurization device, an excitation device, a vibration sensor, and a control section. The bearing support supports a rolling b...
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JP4012493B2 |
A hermetic reciprocating compressor, in which a bearing structure to support a rotating shaft is improved to minimize frictional contact between the parts of the compressor, thus reducing noise of the compressor and improving compression...
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JP2007298128A |
To provide a multi-row roller bearing device which reduces the number of man-hours and costs by reducing the number of parts, and also reduces the axial dimension in spite of a constitution where a drain oil passage is recured to cool a ...
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JP2007290494A |
To provide a wheel bearing unit which enables a stable and sure pre-pressure adjustment for a bearing structure and cost reduction. The wheel bearing unit includes a hub wheel 2 having a flange 1 extending in the outer-diameter direction...
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JP2007292149A |
To provide a HDD bearing unit for making a HDD smaller and lighter into a lower profile by forming one end of a shaft to be more recessed than one end of a housing to reduce the size of the bearing unit. The bearing unit comprises the sh...
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JP2007292113A |
To provide a bearing with a rotation sensor, as a rolling bearing with a preload imparting means, having simple construction for developing a rotation detecting function. The rolling bearing A has a ring-shaped retaining member 6 for imp...
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JP2007292184A |
To provide a bearing device for a wheel, which improves the resistance to creep of an inner ring fitting surface of a hub ring, and improves the durability of the hub ring and an inner ring secured to the hub by caulking. In the bearing ...
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JP4003446B2 |
To provide a bearing device improving productivity and reducing weight at a low cost, by attaching a rolling bearing to the outer periphery of a shaft body such as a hub unit for a vehicle. A bearing device comprises a bearing element 2,...
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JP4001403B2 |
This invention relates to a rotatable assembly for supporting the rotor (3) of a vacuum pump in which there is provided a plurality of gas pumping stages formed by cooperating rotor disks secured to said rotor by stator rings integral wi...
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JP3993923B2 |
A bearing assembly (10) comprises a piston (12) mounted within and capable of reciprocating with respect to a fixed bearing shell (14). The bearing shell (14) is provided with openings (30) for the supply of a bearing medium, such as com...
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JP3994342B2 |
The preload in a double row production bearing assembly is ascertained by comparing the deflection produced in that bearing assembly by oppositely directed thrust forces with the deflection produced in a master bearing assembly by equiva...
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JP3993547B2 |
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JP2007263327A |
To provide an air bearing mechanism which is constituted by introducing compressed air to the clearance between a radial bearing and a rotary shaft (a bearing clearance), which can reduce the influence of expansion of a rotor shaft 2 at ...
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JP2007255562A |
To provide a rolling bearing capable of improving positioning precision when mounting an ultrasonic sensor and obtaining pre-load with high precision. A sensor mounting face being vertical to the direction of contact angle is provided in...
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JP2007255681A |
To support a tapered roller bearing of a gear device while giving an axial preload thereto. To the inside of a cylinder having a wall blocking the left end, the outer ring of the tapered roller bearing is fitted in the state that the bac...
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JP2007247669A |
To provide a bearing unit with a rotary sensor, having a pre-load providing means wherein precision in outputting by the sensor is improved and the number of part items is reduced. The bearing unit with the rotary sensor is composed of: ...
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JP2007245978A |
To provide a supporting structure of a suspension device capable of reducing the weight and the size of an upper turning mechanism, and enhancing assembling work efficiency and steering stability. In the supporting structure of the suspe...
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JP2007247664A |
To provide a structure of a thrust bearing for a motor, which structure can surely prevent the rattle in the direction of the thrust, and also can surely prevent the generation of noises. In the structure of the thrust bearing for the mo...
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JP2007239993A |
To attain substantially constant pre-loading over a wide temperature range without needing an additional space or member by improving a pre-loaded rolling bearing device. This bearing device comprises a first bearing ring 12, a second be...
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JP3975494B2 |
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JP2007228707A |
To provide a spindle motor which is equipped with a structure that effectively prevents a lubricant, which has come out of a sleeve constituting a slide bearing, from leaking out. A shaft 12 is fixed to the center of a rotor hub 11, and ...
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JP3971200B2 |
To provide bearing structure and a pump capable of controlling noises and vibration caused by collision of a bearing at a low cost. The bearing 30 supporting a rotary shaft 26 given variable load is arranged in a second bearing hole 14. ...
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JP2007218432A |
To operate a bearing assembly more smoothly than a well-known bearing by reducing noise. This bearing assembly is provided with a bearing 53 arranged in a housing and having an axial split 55 and a anti-friction lining, and an elastomeri...
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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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JP2007524054A |
A thermally compensated differential comprises a housing, a pinion gear mounted into the housing, a differential case carrying a ring gear with the case being supported by a first roller bearing and a second roller bearing with the beari...
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JP2007211946A |
To provide a bearing device for a wheel in which rotational torque in correlation with a precompression amount and a bearing elastic displacement amount are measured to perform clearance control. In the bearing device for a wheel, a shaf...
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JP3962187B2 |
To provide a wheel bearing device capable of suppressing the axial deviation of a brake rotor by improving the rigidity of a bearing. This wheel bearing device is provided with an outer member 24 integrally provided with double rows of r...
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JP2007205392A |
To provide a driving wheel rolling bearing unit for actualizing technology allowing a bearing maker to understand the relationship between the size of a load applied between an outer ring 1 and a hub 11b constituting the unit and a detec...
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JP2007205552A |
To provide a bearing structure capable of smoothly moving a moving member along a shaft member at all times, and to provide a liquid injection device and a recording device comprising the bearing structure. This bearing structure 150, 16...
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JP2007205573A |
To provide an inexpensive rolling contact bearing for a steering column. In the rolling contact bearing including the rolling contact bearing device 4, and an annular prestressed element formed by an inner race 5 and an outer race 6 of t...
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JP2007198425A |
To provide a preloading device and preloading method for a rolling bearing, and a bearing unit, capable of imparting a preload while reducing an axial-directional space of the bearing unit. In this preloading device for the rolling beari...
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JP2007198571A |
To provide a swing arm support structure without lowering of radial rigidity, even when axial size is reduced. The swing arm support structure is provided with an inner member 20 with one part of an outer diameter surface protruding towa...
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JP2007192303A |
To provide an angular ball bearing for a turbocharger capable of preventing the rotating shaft of the turbocharger from being swung even when fixed position preloading is adopted as a method of imparting a preload. A shoulder part 52 is ...
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JP2007192358A |
To provide an axial fine movement mechanism with a rotating mechanism capable of performing a fine movement with long stroke and high responsiveness and preventing piezoelectric actuators from being damaged. A rough movement mechanism 10...
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JP2007193663A |
To provide an axial direction slight movement mechanism having a rotary mechanism which can achieve high accuracy and high-response fine movement operation and can prevent a piezoelectric actuator from being damaged. The axial direction ...
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JP2007192249A |
To reduce a time and effort for assembling a double row rolling bearing having a rotary sensor provided with a pre-load imparting means by reducing the number of components. A magnetic encoder 11 constituting the rotary sensor is integra...
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JP2007192376A |
To provide a rolling bearing device capable of suppressing difference in temperature between an inner ring and an outer ring of a rolling bearing during operation to a small extent by an inexpensive method to prevent the occurrence of ex...
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JP2007192363A |
To provide a sealing device of a rolling bearing without losing a fastening margin or becoming excessive even in a state of relatively moving an inner ring and an outer ring in the axial direction by imparting a preload to the bearing, w...
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JP3951913B2 |
To make the circumference of a driving gear small while being capable of moving a driving gear in the direction where a distance between rotation centers is long/short by using an energizing means. The device has a rolling bearing 8 for ...
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JP2007187320A |
To provide a bearing assembly capable of reducing noise and being smoothly operated in comparison with a conventional one.This bearing assembly is disposed in a housing, and comprises a bearing 43 having an axial slit 45 and an antifrict...
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JP2007187225A |
To provide a bearing device for a wheel in which even though fretting wear is caused between an inner-ring end-face and a hub by moment load acting on the bearing in the case of turn-running of a vehicle, a seal lip is prevented from bei...
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JP3949801B2 |
To properly reduce a bearing pre-load in the high speed rotation without complicating a structure, and eliminate the necessity for assembly in a condition that a play is given to a bearing for avoiding an increase of heat generation in a...
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JP2007177856A |
To adjust a preload with a small force during the operation without reducing the rigidity of a bearing in the rotating range between low-speed rotation and high-speed rotation.The large flange part of an inner ring 2 on the raceway surfa...
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