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Class 384/504 - Plural rows balls


Subclass of Class 384 - Bearings
Definition: Subject matter comprising plural axially spaced rows of
No. of patents: 79
Last issue date: 05/29/2012


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NumberTitleIssue Date
8186885Bearing apparatus for a wheel of vehicle
A vehicle wheel bearing apparatus with a back-to-back double row tapered roller bearing has an outer member integrally with a body mounting flange and double row outer raceway surfaces tapered open respectively axially inward and outward. An inner member include a w...
05/29/2012
7918608Multi-row thrust ball bearing with unsymmetrical load distribution
An axial bearing arrangement has at least two rolling-contact bearings (1, 2), each of which includes one outer ring (3, 4) and at least one inner ring (5, 6). The inner rings (5, 6) are axially fixedly mounted on a shaft (7). The ...
04/05/2011
7909515Double row ball bearing and differential gear device
The difference between a revolution period of larger diameter-side balls and a revolution period of smaller diameter-side balls is smaller as compared with a conventional bearing. The relation, (β−10)≦α
03/22/2011
7832938Floating bearing cartridge for a turbocharger shaft
An improved bearing system for use in high speed rotating machinery, such as a turbocharger, wherein a shaft is rotatably supported by a floating bearing cartridge having axially spaced angular contact bearings each with a set of bearing balls supported between inne...
11/16/2010
7597482Skew contact double row ball bearing and bearing device for supporting pinion shaft
A skew contact double row ball bearing and a bearing device for supporting a pinion shaft. The skew contact double row ball bearing enabling the simultaneous contact of a ball row in each row on raceways at a specified contact angle when installed even if a clearanc...
10/06/2009
7537390Rolling bearing arrangement
A rolling bearing arrangement comprising at least two annular rows of bearing rolling bodies, a first inner ring and a second inner ring next to and coaxial with the first inner ring and a snap ring connecting the inner rings to one another. The snap ring has a radi...
05/26/2009
7377695Integral duplex bearings for rotating x-ray anode
An x-ray target assembly is provided comprising a drive shaft and an outer shaft housing element. A primary integral duplex bearing assembly is positioned between the outer shaft housing element and the drive shaft and comprises a primary fixed outer race and a prim...
05/27/2008
7371011Turbocharger shaft bearing system
An improved bearing system is provided for use in high speed rotating machinery such as a turbocharger, wherein a turbocharger shaft is rotatably supported at opposite ends by a pair of angular contact bearings subjected to a predetermined and substantially constant...
05/13/2008
7309165Ball bearing retention apparatus
An improved hybrid transmission including two electric motor/generator modules and a plurality of planetary gear sets operatively connectable to the motor/generators and to an engine is provided. Novel structural and packaging schemes enhance the function and effici...
12/18/2007
7217129Medical or dental-medical handpiece having at least one rotary part
The invention relates to a medical or dental-medical handpiece having a rotary part, in particular a turbine rotor. In order to improve the handpiece with regard to small construction, running noise and economical construction, there is provided a roller bearing for...
05/15/2007
7104772Screw compressor
In a screw compressor for a refrigerator, suction-side rotor shafts of screw rotors are supported rotatably by angular ball bearings for forward thrust load, an annular gap is formed between the angular ball bearings and a suction-side bearing casing, and outermost ...
09/12/2006
7059777Assembly for ball bearing with double raceway and method of manufacturing ball bearing with double raceway
An assembly for a ball bearing with double raceway assembled in an outer ring member provided with double row raceway surfaces apart from each other in an axial direction from one side in an axial direction, on an inner peripheral surface includes an inner ring memb...
06/13/2006
6971801Bearing unit
A bearing unit includes: a housing; a shaft passing through the housing and rotatably supported on the housing; and a pair of rolling bearings disposed between the housing and the shaft and fitted to two positions on the shaft, which are axially spaced apart from ea...
12/06/2005
6957919Double-row angular contact ball bearing
In a double-row angular contact ball bearing comprising an outer ring (1), an inner ring (2) and two ball crown rings (3, 4) formed by bearing balls (3.1, 4.1) guided in two separate cages (3.2, 4.2) and supported on shoulders (...
10/25/2005
6918302Apparatus and method for measuring resonance in bearing device
An additional mass member 22 for measuring resonance of a bearing device comprises an elastic ring 30 having an inner periphery 30a larger in diameter than the outer periphery of the outer ring 24 of the bearing device 25 an...
07/19/2005
6916160Axial electric fan blower with electric components housing sealed from moisture, dirt and dust or other harmful gas
The object of the present invention is to provide a blower in which electrical components such as printed circuit board or electronic parts are isolated from the wind flowing through the blower to protect these components from moisture, dirt, dusts, or other harmful...
07/12/2005
6912930Flex spline for meshing type gear device, and meshing type gear device having flex spline
A flex spline 1 used for a meshing type gear device includes an attachment portion 1a, a thin-thickness tubular portion 1b continuing to the attachment portion and capable of being elastically deformed, and external teeth 1
07/05/2005
6896415Rolling bearing and bearing apparatus
In a bearing apparatus which is composed of two bearings each including a crown-shaped retainer and in which a lubricant is filled into its raceways, a preload is applied from the retainer pocket-opening side end face of an inner ring, and also a preload is applied ...
05/24/2005
6824489Differential for a motor vehicle
A bevel-pinion shaft (5) of a differential of a motor vehicle is supported in a housing (1) by two spaced unilaterally loadable double-row tandem angular-contact ball bearings (16,17) which face each other in an O-arrangement. Compared to the cl...
11/30/2004
6794774Spindle motor
A spindle motor of the present invention is capable of keeping its ball (5a, 5b)'s pre-load constant, because a sleeve (6) is capable of being resiliently deformed due to its resiliency, and therefore capable of constantly keeping ...
09/21/2004
6761485Rolling bearing unit
Two bearings 3, 4 are used to rotatably support the pivot 1 with reference to a fixed shaft. The swing arm 5 is highly precisely fixed to the pivot 1. The outer diameter 4b of the outer race 4a of the lower bea...
07/13/2004
6709162Rolling bearing unit
A rolling-bearing unit comprising a pair of bearing assembled such that the tolerance range of the radial clearance or contact angle of the ball bearings is divided into a plurality of divisions, and that a pair of ball bearings is selected from the same division, a...
03/23/2004
6698936Tool for constructing a pair of races of a bearing
A tool for pre-stressing of two races to be welded to one another includes a hub having a cylindrical lateral hub wall and a tubular chuck having a cylindrical lateral chuck wall coaxially received and movable in the lateral hub wall. One of the lateral w...
03/02/2004
6661141Blower
In the blower 1 which fixes the impeller 17 on one end of the shaft 11, as bearing to support the shaft 11, in the resin-made bearing box 7b, two ball bearings 8, 9 the width of the inner races of which is smaller than the width of the outer races are ins...
12/09/2003
6661143Bearing unit with magnetic bearing protection upon rotation stoppage
Of a pair of rolling bearings provided for protection of magnetic bearings which support a rotatable shaft in a non-contact condition, such that the rolling bearings for protection are arranged together with the magnetic bearings, and used for supporting ...
12/09/2003
6655846Ball bearing and bearing assembly
A ball bearing (6) and a bearing assembly are proposed which are intended especially for high-speed devices such as dental turbines, dental angle handpieces, turbomolecular pumps, etc., with balls (4) which are arranged between an inner ring (7) and an ou...
12/02/2003
6599021Compound bearing apparatus
A compound bearing apparatus including a shaft, a cylindrical outer ring member surrounding the shaft, and a plurality of balls of the first and the second rows interposed between the shaft and the outer ring member is provided. The bearing apparatus of t...
07/29/2003
6575636Composite bearing with double ball bearings, process for its assembly and tool for the realization of a pair of collars of said bearing
Composite bearing with double ball bearings (4) for the rotary support of a rotating shaft (1) of a very high precision device, wherein this bearing with double ball bearings is constituted by the juxtaposition of two bearings with single ball bearings ha...
06/10/2003
6512316Spindle motor
A spindle motor of the present invention is capable of keeping its ball (5a, 5b)'s pre-load constant, because a sleeve (6) is capable of being resiliently deformed due to its resiliency, and therefore capable of constantly keeping a pre-load applied to th...
01/28/2003
6474871Anti-friction bearing and a motor including such a bearing
An anti-frictional bearing which is reduced in its asynchronous rotational run out so that the cumbersome analyzing operation of the raceway surface and selecting operation of inner and/or outer races are not required. The bearing will contribute for the ...
11/05/2002
6431760Angular type ball bearing and shaft support structure with the same
An angular type ball bearing according to the present invention secures good property of lubricating a shaft to be supported by the ball bearing while reducing the manufacturing cost thereof, thereby being able not only to reduce the temperature rise of t...
08/13/2002
6406188Ball bushed bearing screw bolt and nut
The bearing bush employed is divided into a main and a sub bearing bushes which are removable when filling the bearing balls into the bearing grooves so as to facilitate assembly work, moreover, weakening of preload on the preloaded ring can be compensate...
06/18/2002
6371654Actuator bearing cartridge for disc storage system
A pivot bearing cartridge for an actuator in a disc storage system includes a shaft, a first outer sleeve and a second outer sleeve. The first and second outer sleeves are coupled together. Raceways are formed in the sleeves and the shaft. The raceways ca...
04/16/2002
6367980Ultra thin type rolling bearing and cage therefor
The bearing according to the invention is an ultra thin type rolling bearing in which the ratio of a ball diameter/a pitch circle diameter is 0.03 or less, and includes an outer member, an inner member, and balls inserted between these members. A double r...
04/09/2002
6328653Support device for elements protecting rotating shafts, in particular telescopic cardanic shafts
The present invention relates to a support device for elements protecting rotating shafts, in particular telescopic cardanic shafts, wherein, in each semi-shaft terminating with a fork, is present an inner rolling race for balls, race which is obtained ci...
12/11/2001
6322254Bearing assembly for a threaded drive
A bearing assembly for a threaded drive, includes two grooved ball bearings arranged in side-by-side disposition and suited to one another for adjustment of a desired prestress, and a restraining element which holds the grooved ball bearings in place and ...
11/27/2001
6309109Bearing assembly
A bearing assembly with at least one row of balls is disclosed. The bearing assembly has a shaft tube, at least one pair of bearing covers pressed onto the shaft tube, a concave surface formed in facing sides of each of the bearing covers, a row of balls ...
10/30/2001
6073870Spinning reel having a rolling type one-way clutch disposed between two front bearing supports
A spinning reel for fishing includes: a cylindrical drive shaft into which a spool shaft is inserted, rotated being linked with a handle; a front and a rear bearing to rotatably support the cylindrical drive shaft, arranged in a support section formed on ...
06/13/2000
6033120Compound bearing assembly for swing arm of hand disc drive
A compound bearing assembly for a swing arm of a hard disc drive is disclosed, which comprises a stepped shaft 1 having a large-diameter portion and a small-diameter portion 1b, the large-diameter portion 1a having an inner raceway groove 2a directly form...
03/07/2000
6012226Compound bearing assembly and method of manufacturing the same
A single-piece outer race ring 3, a sleeve-like spacer 11, a plurality of first balls 4, a conventional ball bearing unit 7, a stepped-diameter shaft 1 and the like are assembled into a compound bearing assembly by a bearing maker with high accuracy to en...
01/11/2000
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