Class / Patent application number | Description | Number of patent applications / Date published |
384586000 | Fixed shaft and rotating outer member | 18 |
20090310899 | DOUBLE ROW TAPERED ROLLER BEARING UNIT - Both outer-side inner ring elements | 12-17-2009 |
384589000 | For hub | 17 |
20080240642 | Rolling bearing unit for wheel and method for manufacturing the same - In a rolling bearing unit for a wheel of the invention, a first inner ring side raceway which confronts an outer ring side raceway formed on an inner circumferential surface of an outer ring is formed on an outer circumferential surface of a hub wheel, and a second inner ring side raceway is formed on an outer circumferential surface of an inner ring shaft portion. The inner ring shaft portion is made up of a large diameter shaft portion which is formed on an outer circumferential surface of the second inner ring side raceway and a small diameter shaft portion which is inserted into a shaft fitting hole in the hub wheel in such a manner as to pass therethrough. In addition, the inner ring shaft portion is connected to the hub wheel by forming a calking portion by calking an end portion of the small diameter shaft portion. | 10-02-2008 |
20090129717 | Bearing Device for Wheel - To provide a third generation type wheel support bearing assembly in which a stress concentration in a recess in a hub axle can be reduced, and the repeated fatigue strength can be increased. A hardened layer is provided by means of a heat treatment at least in a portion from a raceway in a surface portion of a hub axle made of a carbon steel to a flange root portion. A recess as a circumferential groove is formed along a corner portion defined between a raceway in the hardened layer and a large collar with which an end face of a roller contacts. The recess is formed by means of a lathe turning work, after formation of the hardened layer and then undergoes machining or grinding within an inner surface thereof, thereby causing a compressive residue stress to the hardened layer. | 05-21-2009 |
20090136172 | Grease for Hub Bearing and Hub Bearing - The present invention provides a hub bearing, made of carbon steel for machine structural use, which has a long life even in a strict lubricating condition by improving the resistance to peeling starting from the surface. A grease for the hub bearing contains a base oil, a thickener, and an organozinc compound which is at least one compound selected from dithiozinc carbamate and dithiozinc phosphate. The base oil is a mineral oil or a mixed oil of a mineral oil and a synthetic hydrocarbon oil. The thickener is a urea compound shown by the following formula (1) and is contained at 1 to 40 mass % for the entire grease. The grease for the hub bearing is enclosed in the hub bearing. | 05-28-2009 |
20090154864 | Wheel Bearing Apparatus - A vehicle wheel bearing apparatus has an outer member and an inner member. The inner member has a wheel hub and at least one inner ring fit onto a cylindrical portion of the wheel hub or an outer raceway surface of a constant velocity universal joint. Double row rolling element groups are freely rollably contained between said inner and outer raceway surfaces of the inner member and the outer member. A pitch circle diameter of the ball element group near to the wheel mounting flange is larger than that of the double row ball group away from the wheel mounting flange. A maximum diameter of the outer raceway surface of the smaller diameter side of the double row outer raceway surfaces of the outer member is substantially the same as an inner diameter of a shoulder portion of the outer diameter side. The size of each rolling element of the group near to the wheel mounting flange is different from that of each rolling element of the group away from the wheel mounting flange. The number of rolling elements of the group near to the wheel mounting flange is larger than the number of rolling elements of the group away from the wheel mounting flange. | 06-18-2009 |
20100021102 | WHEEL BEARING DEVICE - The present invention provides a wheel bearing device that can suppress backlash in the circumferential direction and has excellent workability in connecting a hub wheel and a outer joint component of a constant velocity universal joint. The wheel bearing device according to the present invention is that in which a stem shaft | 01-28-2010 |
20100247019 | WHEEL BEARING ARRANGEMENT FOR MOTOR VEHICLES - A wheel mounting for automotive vehicles substantially comprising a multi-row angular contact rolling bearing comprising an inner bearing ring arranged on or at least partially integrated in a hub of a wheel side-fixing flange, an outer bearing ring coaxial to the inner bearing ring and arranged in or at least partially integrated in a hub of a vehicle side-fixing flange, and a plurality of rolling elements arranged in a plurality of rows next to one another between the inner and the outer bearing rings, which rolling elements roll on defined, inclined pressure angle axes in groove-shaped raceways of the inner and the outer bearing rings and are retained uniformly spaced from one another in peripheral direction in a plurality of bearing cages wherein all the rolling elements of the angular contact rolling bearing are configured in form of ball-rollers comprising two parallel side surfaces obtained by symmetric flattening of a basic ball shape such that a width of the ball-rollers between these side surfaces is 20% to 30% smaller than a diameter of the basic ball shape. | 09-30-2010 |
20100290731 | WHEEL BEARING FOR AN AIRCRAFT LANDING GEAR - A wheel bearing for aircraft. The bearing has a long service life, is very reliable and consists of the lowest possible number of individual parts. The wheel bearing of an aircraft engine has a rim that is rotatably mounted about an axis by a bearing arrangement which has two rolling bearings. An outer bearing housing, designed as one piece, contains the outer running surfaces of the rolling bearings. An integral component of the outer bearing housing forms part of the rim and the outer bearing housing is detachably connected to the remainder of the rim. | 11-18-2010 |
20100316323 | METHOD OF MANUFACTURING OUTER RING, OUTER RING FOR DOUBLE ROW ANGULAR CONTACT BEARING, DOUBLE ROW ANGULAR CONTACT BEARING, AND BEARING DEVICE FOR WHEEL - Provided are a method of manufacturing an outer race which contributes to extension of a bearing life and allows rolling elements to stably roll, an outer race for a double-row angular bearing, and a wheel bearing device. Further, provided is a double-row angular bearing which is excellent in both strength and rigidity and which can be endowed with a longer life and higher quality. At least one of an inner race and the outer race is formed by a cold rolling process. Hardness prior to the cold rolling process of a blank is set to Rockwell Hardness 30 HRC or less. The outer race is formed by performing the cold rolling process on the blank including a circumferentially protruding portion which is provided on a radially inner surface of the blank and protrudes to a radially inner side of the blank. | 12-16-2010 |
20110069922 | WHEEL BEARING RETAINER - A knuckle-hub assembly, comprising: a knuckle, wherein the knuckle includes an inner radial surface defining a passage, wherein the inner radial surface comprises a first radial recess located in an intermediate region along a longitudinal axis of the passage; a wheel bearing, wherein the wheel bearing includes an outer radial surface defining a second radial recess that is located in an Intermediate region along the length of the bearing, wherein the first radial recess of the knuckle is generally axially-aligned with the second radial recess upon installation of the bearing in the passage of the knuckle; and a retainer arranged within both of the first radial recess of the knuckle and the second radial recess of the wheel bearing upon installation of the bearing in the passage of the knuckle, and the retainer has a generally constant cross-sectional profile about its circumference and includes an inner wall surface that has a first portion and a second portion and the first portion and the second portion are disposed at an angle relative to each other. | 03-24-2011 |
20110103732 | ROLLING BEARING DEVICE FOR A ROAD-WHEEL, A METHOD OF MANUFACTURING THE SAME AND A TURNING APPARATUS FOR A BEARING MEMBER - In a rolling bearing device for a road-wheel including an inner shaft | 05-05-2011 |
20110129178 | ROLLING BEARING DEVICE - There is provided a rolling bearing apparatus which can more disperse stress which concentrates on a root portion of a flange portion formed on an outer circumferential surface of an outer ring as compared with a related art. In a rolling bearing apparatus | 06-02-2011 |
20110135240 | WHEEL BEARING ASSEMBLY - A wheel support bearing assembly includes an outer member ( | 06-09-2011 |
20110158571 | INNER RING OF WHEEL BEARING DEVICE, MANUFACTURING METHOD THEREFOR, AND WHEEL BEARING DEVICE - An inner ring of a wheel bearing device has a ring mounting surface on which a pulsar ring for detecting a rotation speed of an axle is mounted and first and second inner raceway surfaces which are arranged along an axis of the axle and on which rolling elements roll. The inner ring includes a first inner ring member that has the first inner raceway surface and the ring mounting surface and a second inner ring member that has the second inner raceway surface and a portion that is spaced apart in an axial direction from the second inner raceway surface toward one side at a distance that is longer than or equal to a distance in the axial direction between the first inner raceway surface and the ring mounting surface. A diameter of the portion is smaller than a diameter of the ring mounting surface. | 06-30-2011 |
20120155795 | BEARING HUB UNIT FOR A MOTOR-VEHICLE WHEEL - Bearing-hub unit for a motor-vehicle wheel, having an axis of rotation and provided with a stationary bearing outer ring bounded by a side surface transverse to the axis of rotation; a radially inner rotatable hub; a bearing inner ring fixed onto the hub and defining together with the outer ring a cavity devoid of any sealing device; an encoder arranged inside the cavity and fixed externally on the inner ring; and a protective cover which is made of non-ferromagnetic material and is mounted on the outer ring in axial abutment against the side surface so as to protect the encoder and close the cavity; there being provided a static sealing element which is joined to an outer edge of the protective cover and has a first sealing portion situated between the protective cover and the outer ring. | 06-21-2012 |
20120189236 | WHEEL ROLLING BEARING DEVICE - In a wheel rolling bearing device, where a pitch diameter of the inner-row ball set is D1 and a pitch diameter of the outer-row ball set is D2, D1 and D2 are set so as to satisfy the relationship “D107-26-2012 | |
20120243818 | VEHICLE BEARING DEVICE - In a vehicle bearing device hub spindle, annular first to third grinding undercut portions, each being a recess in sectional view, are formed in the same shape, through turning, at a large-rib-surface-side end portion of an inner raceway surface, a large-diameter-portion-side end portion of the inner raceway surface, and a large-diameter-portion-side end portion of an outer peripheral surface of an intermediate-diameter portion. | 09-27-2012 |
20120301066 | WHEEL BEARING FOR A UTILITY VEHICLE - A wheel bearing for a utility vehicle, having a sheath-shaped support shaft in which an axle of the utility vehicle can be concentrically accepted, a wheel hub, and a first roller bearing as well as a second roller bearing for the wheel hub to roll over the support shaft, with the second roller bearing being axially pre-stressed on the sheath-shaped support shaft via a stop, cold-formed from the support shaft, against the first roller bearing. | 11-29-2012 |