Abstract: A formed film is formed on the surface of a metal substrate made of an iron-based metal. Thereafter, the surface of the formed film is subjected to treatment for lessening surface roughness such as rolling. In this arrangement, a member which exhibits a sufficient seizing resistance even after being freed of formed film can be obtained.

Abstract: The present invention provides a plain bearing comprising a substrate and a sliding layer provided on the surface of the substrate which is improved in bearing performances, particularly, wear resistance. According to the present invention, the sliding layer 2 provided on the surface of the substrate 1 comprising a steal material or stainless steal contains polybenzimidazole (PBI) and 1-70 vol% of a solid lubricant. PBI is superior in heat resistance to thermosetting resins (PAI, PI, EP resins) and, besides, high in material strength, and thus wear resistance and anti-seizure property can be improved.

Abstract: The Cu-based sintered alloy bearing of the present invention is made of a Cu-based sintered alloy with a composition consisting of, by weight, Ni: 10 to 25%, Zn: 10 to 25%, P: 0.1 to 0.9%, C: 0 to 5%, molybdenum disulfide: 0.5 to 5%, and Cu and inevitable impurities as the balance. The Cu-based sintered alloy has a texture from a Cu—P compound, free graphite, and molybdenum disulfide being dispersed in a base material made of a solid solution phase of a Cu—Ni—Zn alloy, and a porosity is within a range of 5 to 25%.

Abstract: The churning type of grease 5 of a viscosity of 15-20 mm2/s and a worked penetration of 200˜230 is disposed at the rolling surface 1a of the race portions and the channeling type of grease 6 of 25˜35 mm2/s and a worked penetration of 240˜270 is disposed at the retainer 4.

Abstract: In a slide member comprising a base member and a slide layer including a first surface fixed to the base member and a second surface being opposite to the first surface in a thickness direction of the slide layer and capable of contacting another member in such a manner that the another member is movable on the second surface, the slide layer includes silver as a main component of the slide layer and a solid lubricant.

Abstract: There is disclosed herein an improved and simplified wheel and bearing assembly, such as for skates and the like comprising a bearing inner race preferably formed of a plastic material such as polyurethane. A pair of bearing outer races, preferably of a relatively strong material such as titanium, are coupled with outer surfaces of the bearing inner race. Mating surfaces of the bearing inner race and the bearing outer races are configured and are coated with a lubricant to provide bearing surfaces for the wheel.

Abstract: In order to enhance the anti-seizure property of the sliding bearing while making the content of Pb contained in the Sn-based overlay layer smaller or while using no Pb if possible, there is provided a multi-layer sliding bearing comprising a back metal layer, a bearing alloy layer, an intermediate plating layer and a Sn-based overlay layer, the Sn-based overlay layer containing reinforcing metal and/or inorganic particles, the content of the reinforcing metal and/or inorganic particles being varied step-wise or successively in a direction of a thickness of the overlay layer so that the content in a thickness-wise central portion of said overlay layer is relatively high and so that another content in a surface portion of the overlay layer is zero or smaller than the content in the central portion.

Abstract: A power roller assembly for a toroidal-type CVT, including a pair of races formed with bearing surfaces opposed to each other, a plurality of rolling elements rotatably disposed between the races in contact with the bearing surfaces, and an iron phosphate-based coat formed on at least one of bearing surfaces.

Abstract: In sliding bearing, wherein an overlay, which consists of at least one solid lubricant and a binder resin, covers an aluminum-alloy bearing layer bonded on backing metal, the overlay consists of an upper layer, which contains the solid lubricant essentially consisting of MoS2, and a lower layer, which contains one or both of solid lubricant and hard additive. The solid lubricant of the lower layer is MoS2 and its content is relatively lower than in the upper layer.

Abstract: The invention relates to an aluminium alloy, in particular for a layer of a friction bearing, for example, which, apart from aluminium and smelt-related impurities, additionally contains soft-phase formers, e.g. Sn, Pb, Bi, Sb or similar. The alloy contains added quantities of at least one element from the group of elements consisting of Sc, Y, Hf, Nb, Ta, La, lanthanides and actinides in a maximum of 10% by weight, preferably 4% by weight, in particular between 0.015% by weight and 3.25% by weight, relative to 100% by weight of alloy, the remainder being aluminium with smelt-related impurities.

Abstract: The invention relates to an intermediate layer, in particular a bonding layer, made from an alloy with an aluminium base, for multi-layered materials with layers of differing composition, in particular friction bearings. The alloy contains added quantities of at least one element from a group of elements consisting of Sc, Y, Hf, Nb, Ta, La, lanthanides and actinides in a maximum of 10% by weight, preferably 4% by weight, in particular between 0.015% by weight and 3.25% by weight, relative to 100% by weight of alloy, the remainder being aluminium with smelt-related impurities.

Abstract: A rolling bearing has first and second races that define an annular space therebetween. A plurality of rolling elements roll on the races. The space is filled with a solid lubricant composition containing a resin polymer. The space is preferably sealed with a pair of sealing members which are interposed between the races and a region between the lubricant composition and the corresponding sealing member in the space is filled with grease.

Abstract: A rolling element bearing comprises an inner ring (3) and an outer ring (2) each provided with a raceway (4, 5), said rings having land regions (10, 11) on opposite sides of their raceways, and a series of rolling elements (6) which are in rolling contact with the raceways and which are mutually spaced by a cage (7), said cage (7) engaging the land regions (10, 11) of said ring, and at least one of said rings (2, 3) being coated. Said at least one ring is coated with a wear and friction reducing, elastic coating over its full surface.

Abstract: A bearing material includes a backing metal and a porous sintered metal layer sintered onto a surface of the backing metal, particles of an inorganic substance being contained at grain boundaries of the porous sintered metal layer. The porous sintered metal layer contains tin, nickel, phosphorus, and copper, and the particles of the inorganic substance are those of at least one of graphite, boron nitride, graphite fluoride, calcium fluoride, aluminum oxide, silicon oxide, and silicon carbide.

Abstract: In a sliding bearing in which a bearing metal layer is covered with a coating layer, the coating layer comprises a thermosetting resin as a base resin and soft metal particles dispersed in the base resin in an amount of 0.1 to 10% by volume based on the volume of the coating layer. The soft metal is harder than the base resin and has a higher thermal conductivity than the base resin, so that the wear resistance and anti-seizure property of the sliding bearing are improved. In particular, when the soft metal particles are of copper, silver, tin, zinc or the like, the soft metal particles react with the sulfur contained in a lubricating oil to form a thin metal sulfide film excellent in lubricity on the surface of the particles, whereby the coefficient of friction is made smaller.

Abstract: A reduced stiction hydrodynamic spindle motor is provided for reducing the starting torque or power of disc drive motors. The reduced stiction motor includes a low surface energy coating having a surface energy less than the surface tension of the motor lubricant.

Abstract: A sample stage of a precision sample positioning system includes a sample plate supported above a base plate on a plurality of slider assemblies. Each slider assembly includes a base slider secured to a surface of the base plate and a stage slider secured to the sample plate. Each slider is made from a common material. The common material possesses the characteristic of not having a yield point, and having a sufficiently high strength so as to permit sliding without surface degradation.

Abstract: According to the present invention, a bearing assembly includes a rotatable hub and a porous bearing surrounding the hub, a sprocket surrounding the bearing, and means for rotating the hub relative to the bearing. The porous bearing includes “lubricant channels” containing a lubricant and having inlet openings facing toward the sprocket and outlet openings facing toward the rotatable hub so that lubricant in the lubricant channels can exit through the outlet openings to lubricate the mating surfaces of the bearing and the rotatable hub. The porous bearing is permeable to fluids and thus capable of being penetrated by lubricants and greases and thus due to its porous character includes lubricant channels that function to conduct lubricants and greases from an outer surface of the porous bearing to an inner surface of the porous bearing through lubricant channels or pores formed in the porous bearing.

Abstract: A replaceable load bearing slide system for carrying an ejector mechanism slidably along in spaced parallel ejector rails includes an elongated substantially rectangular slide member for slidably supporting one side of an ejector mechanism in a rail having one side attached along one side of the ejector mechanism at rail level by removable bolts or screws. The elongated member being configured to be slidably accommodated in an ejector rail of matching shape and having optional wear strips attached to the three exposed surfaces thereof designed to contact the inner surfaces of the rail.

Abstract: Disclosed is a rolling bearing comprising races and rolling elements, in which at least one of the races and the rolling elements has at least one of a carbide and a carbonitride precipitated in a surface layer thereof, inclusive of a cutting allowance, wherein the finished surface of at least one of the races and the rolling elements has a hardness of Hv600 to Hv700 at 300.degree. C. The rolling bearing has reliable wear resistance under severe conditions and thereby having an extended bearing life.

Abstract: A multiple layer erosion resistant coating on a substrate comprises alternate layers of tungsten and titanium diboride. All of the layers have the same thickness and preferably have thickness's of between 0.3 and 1 micrometer to give improved erosion resistance. The layers are produced by spattering.

Abstract: A wet type sliding apparatus comprising a thrust bearing which operates in the presence of a lubricating liquid, wherein the thrust bearing has a sliding surface composed of a resin composition comprising a carbon fiber, a fluorocarbon polymer and a thermoplastic resin other than fluorocarbon polymer, the carbon fiber content being 10 to 45% by weight based on the weight of the composition and the fluorocarbon polymer content being 0.1 to 8.5% by weight based on the weight of the composition, the thrust bearing in said wet type sliding apparatus being excellent in wear resistance, mechanical strength and friction coefficient at the time of starting even under a high load.

Abstract: A rolling contact bearing made from intermediate or high carbon steels including a bearing ring composed of an inner ring and an outer ring, rolling elements rotatably interposed between the inner and outer rings and a peripheral snap ring groove provide on the outer periphery of the bearing ring. The rolling contact bearing is characterized in that the groove includes a mill scale portion having a carbonitrided layer beneath the mill scale portion and substantially remaining unremoved after carbonitriding, that the carbonitrided layer contains a precipitated carbonitride content in a range from 10 to 30% by area of the carbonitrided layers and/or that the maximum grain diameter of carbonitrided precipitated in the carbonitrided layer beneath the mill scale portion on the inner surface of the snap ring groove of the bearing is 8 .mu.

Abstract: The surface treatment of carbonaceous material (1) is characterised in that a layer of SiC (2) is formed on the carbonaceous material (1) by thermochemical conversion of the carbonaceous material (1) by a precursor of Si (4) at a temperature which is higher than the temperature for the formation, from said precursor, of a gaseous reactive intermediate (generally SiO), so as to obtain a surface layer (3) permitting an adherent diamond deposit (3).Pieces which are at least locally coated with `SiC/diamond`.

Abstract: Disclosed is a bearing structure of a sliding bearing which is held in a housing and which rotatably supports a rotary shaft. At least one of the outer surface of the sliding bearing and the inner surface of the housing is covered with a coating layer which essentially consists of, by weight, a total amount of not more than 90% of solid lubricant and hard particles in which the solid lubricant is of 3 to 50% and the hard particles are of 1 to 50%, and the balance of polyamideimide resin.

Abstract: A seal or bearing comprising a combination of a movable member and a stationary member, either one of the movable and stationary members being made of a low thermal expansion coefficient material, and the other being made of a carbon containing material, wherein a sliding surface of the movable or stationary member which is made of the low thermal expansion coefficient material is irradiated with an ion beam consisting essentially of nitrogen ions at the same time as titanium is vacuum-deposited on the sliding surface, thereby forming a thin titanium nitride film on the sliding surface, which provide a seal or bearing which has a reduced coefficient of friction, and which is improved in wear resistance.

Abstract: An improved bearing assembly includes a superhard polycrystalline superlattice coating disposed on one or more surfaces. The coating is formed in layers from materials selected from the group consisting of ceramics, metals, alloys, nitrides, borides, carbides and oxides of transition metals, other metals and alloys, carbon, and combinations thereof. The bearing assembly includes a first race having a first load supporting surface and a second race disposed in a spaced relation with said first race, wherein the second race has a second load supporting surface. The bearing assembly further includes a rolling element assembly disposed in communication with the first race and the second race and sized for rolling movement between the first load supporting surface of the first race and the second load supporting surface of the second race.

Abstract: A rolling bearing to be used in molten metal provides inner and outer races, a plurality of rolling elements and a cage, in which a solid lubricant is exposed at least in contact surfaces between the cage and the plurality of rolling elements, and further in which the solid lubricant is exposed also in contact surfaces between the cage and the inner and outer races. The cage is formed of a material having specific gravity of 0.8 to 1.2 with respect to the molten metal. In the rolling bearing, the wear resistance of the inner and outer races, the rolling elements and the cage can be improved.

Abstract: A thermal barrier and wear coating having high strength, low conductivity, a low thermal expansion coefficient and good adhesion qualities, where the wear coating is self-lubricating and has high temperature resistance, a hard wear resistant matrix, a low coefficient of friction and is easy to machine to a smooth surface. The thermal barrier is applied to the internal engine cylinder surface to reduce the heat rejection and thus reduce the need for air or liquid cooling. The self-lubricating wear coating is applied over the thermal barrier to prevent contact between the moving engine parts and the thermal barrier. The wear coating has a low friction coefficient so that it does not generate substantial additional heat and is self-lubricating to withstand temperatures up to 900.degree. C.

Abstract: A miniature air bearing for supporting and guiding parts has a bearing surface of monocrystalline silicon. Nozzles are formed on the bearing surface by means of anisotropic etching for feeding air.

Abstract: An aluminum bearing alloy sliding member excellent in anti-seizure property, of which sliding surface is coated with a film of aluminum fluoride or manganese phosphate formed by a chemical conversion process and having a thickness ranging from 0.1 .mu.m to 10 .mu.m.

Abstract: A bearing material mainly comprising plastics and a plastic bearing made thereof. The bearing material is composed of 30 to 98 wt % of glassy carbon and 70 to 2 wt % of plastics, and has persistent, excellent abrasion resistance, sliding properties, and heat resistance.

Abstract: A hydrodynamic bearing for a spindle motor used in an environment of high degree of cleanness. A sliding surface of the hydrodynamic bearing is formed of a ceramic material with a surface roughness Ra not larger than 0.3 microns, and this sliding surface is coated thinly with at least one lubricant selected from among perfluoropolyethers having a functional group reactive with the ceramic material, thereby providing on the sliding surface a uniform thin film with a thickness in the range of from 20 to 100 angstrom and having protecting and lubricating functions. The lubricant is selected from among hydroxyl group-containing perfluoropolyethers, carboxyl group-containing perfluoropolyethers, and ester group-containing. The lubricant contains an antistatic agent.

Abstract: An open-end spinning device with a spinning rotor (1) which is supported via its shaft (11) by support disks (4) and upon which an axially acting force is exerted is provided for its axial support with an aerostatic thrust bearing (6) with a bearing plate which interacts with the end of the shaft. The escape of air into the bearing gap takes place through the bearing plate (63) which together with the end of the rotor shaft (11) constitutes a low-friction pairing of materials.

Abstract: A vacuum pump includes a rotor and at least one bearing that is supplied with a lubricant and that is situated, during operation, in a negative-pressure environment. In order to extend the useful life of the bearing, it is proposed that the bearing is formed from a ceramic material.

Abstract: A vacuum pump includes a rotor and at least one bearing that is supplied with a lubricant and that is situated, during operation, in a negative-pressure environment. In order to extend the useful life of the bearing, it is proposed that the bearing is formed from a ceramic material.

Abstract: A rolling bearing includes an outer race, an inner race, many balls interposed between the outer race and the inner race, and a retainer for holding the balls at equal intervals in a circumferential direction of the outer peripheral surface of the inner race. At least the balls among the outer race, the inner race, and the ball are coated with a lubricating film, and the retainer is made from linear-chain polyphenylene sulfide as a matrix and containing at least a fluoroplastic by 10 to 60 wt %.

Abstract: The reliability of silicon nitride bodies for use in bearings can be greatly improved by control of microstructural flaws which produce bright specular reflections when metallographically prepared surfaces of the composites are examined microscopically in low angle incident light, dark field reflected light, or reflected polarized light viewed through a crossed polarizing analyzer. The population of such flaws can be controlled by modestly increasing the normal amount of intergranular phase and longer than normal milling times before sintering. Size classification of the powder before compression also improves the performance of the body.The fatigue cycles to failure of ten percent of the silicon nitride surfaces tested at 6.9 GPa contact stress in accelerated bearing failure ASTM Test STP 771 (L.sub.

Abstract: A slidable vibration-isolating rubber member such as a stabilizer bushing or an eye bushing, interposed between two members such that the rubber member is slidable relative to at least one of the two members. The rubber member is formed from a rubber composition which comprises 100 parts by weight of a rubber material, and 2-20 parts by weight of a silicone oil.

Abstract: A bearing comprising inner and outer rings formed of a metal and a plurality of balls formed of calcined carbon which has self-lubricating properties and hardness higher than that of the inner and outer rings and has been baked beforehand at a temperature higher than a working temperature of the bearing so as to prevent the outgassing even when used in the circumstances of high temperature.

Abstract: Slide assemblies, which each include a metallic member and a ceramic member to slide with the metallic member. The metallic member has a sliding surface coated with a mixture consisting essentially of a solid lubricant and a binder. The mixture of the solid lubricant and the binder is a combination selected from the group consisting of LiF+MoO.sub.3, PbO+Cu, MoS.sub.2 +Cu, LiF+Ni--Cr--Mo--Si, and LiF+Co--Mo--Cr--Si. Silicon nitride, sialon, mullite, partially stabilized zirconia, or silicon carbide is preferably used as the ceramic member. The slide assemblies exhibit excellent high frictional resistance and wearing resistance even in dry condition at high temperatures.

Abstract: In a composite material for sliding surface bearings, a rough metallic surface is provided with a polymeric matrix, which forms a friction contact or sliding layer over the rough base surface. To increase the wear resistance, the matrix contains zinc sulfide and/or barium sulfate in a particle size from 0.1 to 1.0 .mu.m and an average particle size of 0.3 .mu.m.

Abstract: A plain bearing comprises a metal cylinder as an external member and a resinous cylinder as an internal member, in which the outer surface of the resinous cylinder is firmly engaged and bitten with a concavo-convex portion formed on the inner surface of the metal cylinder. A process for manufacturing the plain bearing comprises producing the metal cylinder, forming the concavo-convex portion on the inner surface of the metal cylinder, combining the concavo-convex portion of the metal cylinder with the resinous cylinder, inserting a core pin into the interior of a combined cylinder of the metal cylinder and the resinous cylinder, squeezing the combined cylinder through a draw die and producing a finished plain bearing.

Abstract: A sealing ring, having a ring body made, for example, of high-temperature resistant compressed metal fibers includes a roughened surface adapted to be pressed against and displaced by sliding relative to a counter-face.

Abstract: A surface of an elastomer mass subject to stress by a force supplying member is protected from abrasion and cracking by interposing a silicone rubber layer between the elastomer mass and force supplying member.

Abstract: A gas bearing (1) comprising two bearing parts (2, 3) of granite type material and similar natural stone materials and means for injecting a gas between the bearing parts (2, 3) for forming a gap (7, 11) therebetween. The pores (10) in the surfaces of the granite material of these bearing parts are sealed by a non-brittle, transparent, mechanically, machinable pore sealing material (9, 12) for forming gas bearing parts having a non-porous surface. Examples of pore sealing materials (9, 12) for sealing the pores of the bearing parts and bearing part material are polyurethanes, acrylic polymers, epoxy resins, silicone resins, polyvinylidenefluoride resins, aramide resins etc. Preferably the pore sealing material consists of a polymer being curable at low temperatures, particularly below 30.degree.C.

Abstract: A gas bearing is formed of a bearing member of sintered material. Sintered grains of a layer forming a desired bearing surface are deformed into the shape of a honeycomb in non-cutting fashion and are subsequently finely worked in cutting fashion, so that super-fine pores formed at corners of the honeycomb arise and which form nozzles.

Abstract: An improved laminated flexible bearing wherein alternate layers of elastomer and reinforced plastic shims of the lamination are cured simultaneously with heat and pressure and the lamination is bonded to forward and aft end rings for facilitating attachment of a thrust nozzle to a rocket case.

Abstract: A robot carrier structure constituted by a portal wagon movable on rails and laterially supported by a pair of carriages each comprising a pair of wheels longitudinally coupled by motion transmission means actuated in synchronism by an electric motor. Further the two electric motors of the pair of carriages are so connected as to constitute an electric axis. Each wheel has a structure adapted to ensure a high adherence to the rail, particularly due to the provision of a pair of rings of elastomeric material engaging the rolling surface of the rail.

Abstract: Fluid-cooled electrical apparatus characterized by a new and improved pump for circulating the fluid within the apparatus. The pump has a motor portion in fluid communication with a pump portion, non-electrically conductive bearings supporting a common shaft between the two portions. The bearings being comprised of a polyamideimide thermoplastic resin.