Bearings inventions 03/06

20060067594 - Retaining device for rolling-element and the method for manufacturing the same: The present invention relates to a retaining device for rolling-element and its manufacturing method, which is made up of the partition and the link-ring. The characteristic of the retaining device for rolling-element is that the partition is a hollow-ring-like structure to separate the rolling-elements, and the link-ring joins the partitions...

20060067595 - Hydrodynamic bearing device, spindle motor and disc recording and reproducing apparatus: A hydrodynamic bearing device which realizes power saving, reduction of a time period necessary for stabilizing rotation, and enhancement in durability to startup and halting of the motor at the same time by accelerating circulation of a lubricant in the vicinity of a flange with loss torque being kept low...

20060067596 - Anti-vibration device for a motor bearing: An anti-vibration device for a motor bearing at least comprises an axial barrel core, a shaft and a shock retard piece. The axial barrel core has a recess at the bottom thereof with the recess having a flat top. A bearing is received in the axial barrel and the shock...

20060067597 - Rollers with retainer: A retainer comprises a roller retaining click which is bent from an inner diameter edge of a rib portion toward the inside in an axial direction and extends so as to protrude and positioned between adjacent rollers. A part of the retainer other than the roller retaining click is hardened...

20060067598 - Anti-rotation bearing cup retainer: In accordance with one embodiment, a system and device are disclosed for preventing damage to one or more shims of a rotating machine. The system incorporates an anti-rotation spacing device that fits within a bearing bore or recess between the one or more shims and a bearing assembly. The anti-rotation...

20060056746 - Universal cam slide: Universal aerial and die-mount cams, each having an adapter assembly, a driver, and a slide sandwiched between the adapter assembly and the driver. The adapter assembly has a universal adapter having an arcuate portion that is angularly adjustable within arcuate recesses in opposing side plates of the universal adapter so...

20060056747 - Fluid dynamic bearing structure and method of adjusting bearing gap: A bolt insertion hole is provided along an edge end portion on a flat surface of a plate-like member, and a tap hole is provided on an end face of the other edge end correspondingly to the bolt insertion hole. A bolt is inserted into the bolt insertion hole and...

20060056748 - Structure of power driven linear operators: A linear operators or axes is disclosed which comprises a fixed linear body, a body guided and movable alternately on the fixed one with interposition of bearings, and at least one pneumatic or electric actuator to control the alternating movements of the moving body on the fixed body. The fixed...

20060056749 - Bearing arrangement: A bearing arrangement is provided within a bearing housing 1 in which a bearing assembly formed by inner and outer bearing races 2, 3 and bearing member 4 is subject to a drawing force to remove cooling and lubricating oil. This drawing force is created by an adjacent gear 7...

20060056751 - Fluid dynamic bearing: The invention relates to a fluid dynamic bearing comprising at least two bearing parts that can move with respect to one another and form a bearing gap filled with a bearing fluid between the associated bearing surfaces. Surface patterns that act on the bearing fluid and generate hydrodynamic bearing pressure...

20060056750 - Hydrodynamic bearing device and motor: An object of the present invention to provide a hydrodynamic bearing device and a motor having a high performance and reliability which prevents deterioration in a temperature property due to a difference in coefficients of linear expansion of a sleeve and a shaft and prevents abrasion of bearing surfaces of...

20060056752 - Bearing having anodic nanoparticle lubricant: A bearing with lubricant having metal or metal alloy nanoparticles that are more anodic than the metal or metal alloy of which the inner or outer raceways of the bearing are constructed; and method for using the same....

20060056753 - High speed rolling element bearing anti-cavitation cage: A rolling element bearing anti-cavitation cage is a circular ring with a plurality of cage pockets at predetermined intervals along a circumference of the circular ring. Each of the cage pockets has at least one groove on the leading edge of the cage pocket and at least groove on the...

20060056754 - Machine element for rolling loads: A machine element of steel with a martensitic microstructure and which at least in a load-free state, has thermochemically produced residual compressive stresses in the microstructure under at least a portion of the surface of the machine element, down to a depth from the surface of the element. The stresses...

20060051001 - Fluid dynamic-pressure bearing device and spindle motor: Small-size, small-height fluid dynamic-pressure bearing device that causes a low shaft loss and is less prone to troubles such as shortage and leakage of lubricating liquid. A thrust dynamic-pressure bearing is formed at an inner position and a region having a slightly-widened gap is provided outside of the thrust dynamic-pressure...

20060051000 - Laser surface textured fluid-film bearing: A fluid-film bearing including: (a) a first surface region having a first bearing surface, for attaching to a first machine component; (b) a second surface region having a second bearing surface, for attaching to a second machine component; the surface regions designed and configured such that first surface and the...

20060051002 - Fluid dynamic pressure bearing, spindle motor provided with fluid dynamic pressure bearing, and recording disk drive device provided with spindle motor: In a fluid dynamic pressure bearing, a capillary seal (32) is configured in a third fine clearance (11) defined between an upper peripheral surface of a bearing housing (4) and an inner circumferential surface of an annular member (30) fixed onto a rotor upper wall (16a). Furthermore, the annular member...

20060051003 - Fluid dynamic pressure bearing: A cylindrical fluid dynamic pressure bearing includes: a shaft hole which has an inner peripheral surface and into which a shaft is inserted; plural separation grooves formed at equal intervals on the inner peripheral surface in a circumferential direction, the separation grooves extending in an axial direction and dividing the...

20060051004 - Ceramic bearing assembly: A ceramic bearing assembly includes an outer barrel having an inner wall formed with an axial receiving hole, an inner barrel rotatably mounted in the receiving hole of the outer barrel and having an inner wall formed with an axial shaft hole, a first retaining ring mounted in the receiving...

20060051005 - Pivot bearing with lubricant transmission: A pivot bearing has a radially inner bearing part; a radially outer bearing part, each of the parts defining a conduit for permiting a lubricant to pass through, the radially inner bearing part being supported in a rotary fashion on the radially outer bearing part, a transmission element that communicates...

20060051006 - Rolling 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 radially inwardly...

20060051007 - Bearing unit for wheel: There is disclosed a bearing unit (5, 5a) for a wheel comprising a stationary race (6) having stationary race track surfaces (11a, 11b) on a peripheral surface on the stationary side thereof to be supported and fixed by a suspension system in its used state, a rotating race (8) having...

20060051008 - Piloting configuration for thrust bearing assembly: A thrust bearing assembly comprising first and second thrust race members (52,60) and a roller assembly (22) positioned therebetween. The first thrust race member (52) includes a radial race surface (53), a flange extending from the race surface and a radial lip (54) extending radially beyond the flange (56). The...

20060045394 - Linear guide apparatus: A linear guide apparatus has a guide rail having rolling element rolling face, a slider provided with rolling element rolling face on a slider body, a roller rolling between the rolling element rolling faces, a separator having a separator body and an arm portion, wherein a roller end guiding wall...

20060045395 - Shaft member for hydrodynamic bearing device: Disclosed is a shaft member for a hydrodynamic bearing device which allows production of a shaft member of smaller size at low cost and which suppresses ion elution from the resin portion, thereby maintaining cleanliness in the hydrodynamic bearing device and making it possible to exert a desired bearing performance....

20060045396 - Bearing and turbo compressor comprising the same: A thrust bearing designed to support a rotational shaft within a turbo compressor, and including foils subjected to a friction with gas. The bearing includes a plurality of elastic foils having different stiffnesses from each other....

20060045397 - Hydrodynamic bearing device, and spindle motor and magnetic disk device using the same: and wherein R1 represents a C16 or higher alkyl group having at least one side-chain, R2 represents a C4 or higher alkyl group, the carbon number of R1 is greater than the carbon number of R2, R3 and R4 represent C8 or higher alkyl groups, A represents a C5 or...

20060045398 - Active thrust management system: An active thrust management system varies pressure responsive to changes in rotor assembly thrust to maintain a desired position. The system includes a bearing supporting rotation of a rotor assembly within a pressurizing chamber. The rotor assembly is supported on a cushion of air generated between the bearing and the...

20060045399 - Spherical bearing arrangement: A spherical bearing arrangement comprising: a ball having a bearing surface; and a housing holding the ball, the housing having a pair of counterface bearing surfaces separated from one another by a void in which a lubricant is located to provide a deliberate and self-contained reservoir of lubricant for the...

20060045401 - Rolling bearing unit: A rolling bearing unit has an inner shaft and an inner race that is fitted on an outer circumferential surface of the inner shaft at one end side thereof. The inner race is fixed to the inner shaft by a clamping portion resulting from an and portion of the inner...

20060045400 - Wheel support bearing assembly: A wheel support bearing assembly of the present invention includes outer and inner members (1 and 2) rotatable relative to each other and circumferential rows of rolling elements (3) interposed between raceway surfaces (4 and 5) in the outer and inner members (1 and 2), respectively. The inner member (2)...

20060045402 - Bearing arrangement: A bearing arrangement with at least one inner ring (1, 2) and a first outer ring (4) arranged coaxial to the inner ring is provided, wherein the outer contours (15) of the at least one inner ring (1, 2) and the inner contours (10) of the first outer ring (4)...

20060045403 - Tapered roller bearing: A tapered roller bearing 1 comprises an inner ring 2, an outer ring 3, a plurality of tapered rollers 4 rollably disposed between the inner and outer rings 2 and 3, and a cage 5 for holding the tapered rollers 4 in predetermined circumferentially spaced relation, wherein the roller coefficient...

20060045404 - Apparatus for centering rotor assembly bearings: A bearing assembly for a gas turbine engine rotor includes, in an exemplary, an inner race, an outer race assembly, and a rolling element. The outer race assembly includes a body, a plurality of first springs attached to the body, and a plurality of second springs. Each first spring is...

20060045405 - Pressure compensating device for a bearing housing: The invention refers to a pressure compensating device (4) for a bearing housing, which is incorporating a sealed off compartment, and which device is intended to compensate pressure variations in the sealed off compartment, wherein the device (4) incorporates a housing (5, 6, 7), in which is positioned a bellows...

20060045406 - Sensor-equipped wheel support bearing assembly: A rotation sensor assembly (10) includes an encoder (15), mounted on one end of an inner member (2) of a bearing (21), and a rotation sensor (16) fitted to one end of an outer member (1) of the bearing (21) in face-to-face relation with the encoder (15). A cylindrical wall...