Abstract: A multi-row rolling element bearing assembly is provided for use in applications, such as differentials. The rolling element bearing assembly includes an inner race defining at least two inner raceways, an outer race defining at least two outer raceways, and a plurality of rolling elements positioned between the inner and outer raceways formed in at least two rows. The bearing assembly includes a novel lubrication system which reduces the maximum temperature attained by the bearing during operation of the bearing and the time spent at that maximum temperature. The lubrication system includes a forced lubrication port connectable to a forced lubrication system, a secondary lubrication port extending from one of said outer surfaces to said radial inner surface, and a tertiary lubrication port. The forced lubrication system delivers lubricant to the bearing through the forced lubrication port. The bearing is partially submerged in lubricant when installed in an application.

Abstract: A ball bearing assembly has an outer ring and an inner ring defining the respective outer and inner races, and a plurality of balls separated on the circumference by a cage ring. The inner ring is split into a loaded half and a non-loaded half. The cage lands on the inner ring halves support the cage ring. An annular groove having a non-rectangular cross-section is disposed at the inner ring bore and at the split face. A plurality of radial grooves extend in the split face of one inner ring half to form radial passages between the annular groove and the inner race for directing oil under centrifugal forces collected in the annular groove, into the inner race. Each radial passage has an aperture in the annular groove located in an intermediate section thereof so that the bottom section of the annular groove acts as a reservoir to feed all the radial passages as well as provide a longer residence time for the oil on loaded inner ring surfaces.

Abstract: A rotary bearing has a first lubricant passage having one end which opens in an inner peripheral surface of a radially outer bearing part and another end which is connectable with a lubricant supply, at least one second lubricant passage which leads from an outer peripheral surface of a radially inner bearing part to an inner peripheral surface of the radially inner bearing part, and a ring chamber between the outer bearing part and the inner bearing part, in which the first lubricant passage and the second lubricant passage open the ring chamber, and a lubricant distributing element formed as a separate part arranged on the ring chamber, and is in a lubricant supplying connection with at least one lubricant passage, and outflow paths including a first outflow path for supplying lubricant to the engaging surfaces of the bearing parts, and a second outflow path for supplying lubricant through the second lubricant passage to a further lubricating point.

Abstract: 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 the bearing as well as the required rotation torque of the shaft to be supported but also to enhance the running accuracy of the shaft to be supported. The anti-load-side end portions of the outer rings 32 of the bearings 30 are respectively situated nearer to balls 37 arranged along the axial direction of a shaft to be supported by the bearings 30 than the load-side end portions of the inner rings 31 of the bearings 30. The width-direction dimensions of the outer rings 32 are formed smaller than the width-direction dimensions of the inner rings 31.

Abstract: A lubricating structure of a bearing for lubricating a bearing by supplying oil air which is transmitted with pressure through respective distribution passages of an oil air distributor from an oil air supply apparatus to the bearing, comprising a first lubrication route for supplying the oil air to the bearing to lubricate inner portion of the bearing; and a second lubrication route for supplying the oil air to the bearing, and leading this oil air to a fit portion between the internal diameter surface of the inner race and the shaft portion through a seal member having a predetermined void portion, thereby lubricating this fit portion.

Abstract: A gas turbine engine includes a lubrication system that supplies oil through a plurality of circumferential grooves and radial grooves to a bearing assembly. The grooves extend within an inner surface of a first rotor shaft sized to fit in an interference fit around a main rotor shaft. The circumferential grooves are spaced circumferentially around the inner surface of the first rotor shaft and are substantially perpendicular to the radial grooves. The radial grooves are in flow communication with a plurality of scoops extending between an outer and inner surface of the first rotor shaft, and with the bearing assembly.

Abstract: A rolling bearing for a bearing unit is applicable to so-called under-race lubrication employing an oil air method or an oil mist method. A lubrication oil is supplied toward rolling elements (10) through oil supply channels (21) from a bottom (18) of an annular groove (14) formed in one end face (13) of an inner ring (5). A V-shaped groove (20) is provided along an edge of a raceway groove (8) of the inner ring (5) circumferentially of the inner ring. Outlet ports (25) of the oil supply channels (21) are provided in a recess defined by one of inclined surfaces of the V-shaped groove (20). A space (S) is defined between the outlet ports (25) and the rolling elements (10). A sufficient amount of air flows through the space (S), whereby the lubrication oil is supplied to the rolling elements (10) and the raceway groove (8).

Abstract: A lubricant drainage circuit outside a roller bearing is fitted such that an output draining through a drained ring is controlled by providing drainage channels crossing the ring and having different inclinations in a circumferential direction of the drained ring.

Abstract: A four-row tapered roller bearing for working rolls of roll stands includes a plurality of axially arranged inner ring parts forming an inner ring, a plurality of axially arranged outer ring parts forming an outer ring, and four annular rows of tapered rolls positioned between the inner and outer ring parts. Each inner ring part has an inner extension with the inner extensions possessing end faces that are directly positioned against one another along a partition groove. The end face of at least one of the inner extensions is provided with a plurality of spaced apart and radially extending grooves in which is received lubricant to lubricate said end faces of the inner extensions. An annular sealing ring encircles the outer surfaces of the inner extensions of the inner ring parts and have a pair of inwardly directed ribs which engage the outer surface of the inner extensions to form between the ribs and the outer surfaces of the inner extensions a closed chamber which bridges the partition groove.

Abstract: An angular bearing of a dual cavity toroidal type continuously variable transmission, includes: a torque input shaft having a shaft-side raceway groove formed in an outer peripheral surface of a flange portion provided in an end thereof; a loading cam unit of a loading cam unit having a disc-side raceway groove formed in an inner peripheral surface of a jointing opening thereof, the loading cam unit located around the end of the torque input shaft; and a plurality of balls held between the shaft-side raceway groove and the disc-side raceway groove to bear thrust loads exerted on the cam disc, wherein each of an angular contact angle between the balls and the shaft-side raceway groove and an angular contact angle between the balls and the disc-side raceway groove is 60° or smaller, and each of a curvature radius of a groove surface of the shaft-side raceway groove and that of a groove surface of the disc-side raceway groove is from 52% to 55% of a diameter of the ball.

Abstract: Circumferential grooves 6c and 6d are respectively formed in the outer peripheral surface 6a and inner peripheral surface 6b of a floating ring 6, and the circumferential groove 6d is used to form a lubricant feed portion 8 in a clearance 7 between the outer peripheral surface 1a of an inner race 1 and itself, while the circumferential groove 6c is used to form another lubricant feed portion 8 in another clearance 7 between the inner peripheral surface 5b of a cage 5 and itself, thereby being able to improve lubricating conditions between the two respective partner portions.

Abstract: A lubrication system for supplying lubricant to a plurality of antifriction bearings composed of inner and outer bearing rings and a plurality of rolling elements mounted between the rings. The lubricant is intermittently supplied to the region of the rolling elements, with the amount of each intermittent supply being determined as a function of operating data which are continuouslu acquired from the bearing.

Abstract: The track roller bearing with stud according to the present invention is to provide a track roller bearing with stud that has a low production cost and offers easy handling in which lubrication work can be performed from either end surface of the stud and can be easily attached and removed from a machine tool and so forth. Lubricant supply port 21m continuing from the above hexagonal hole 21j is formed in addition to lubricant supply port 21n on the side of threaded portion 21e of stud 21 for the lubricant supply ports connected to lubricating paths 21g and 21h for supplying lubricant to rolling elements 24 and so forth, and lubricant supply plugs 31 are disposed in these lubricant supply ports.

Abstract: The track roller bearing with stud is a track roller bearing with stud that has a low production cost and offers easy handling in which lubrication work can be performed from either end of the stud. As a result of providing lubricant supply ports connected to lubricating paths 21g and 21h for supplying lubricant to rolling elements 24 and so forth in the form of lubricant supply port 21m continuing from hexagonal hole 21 in addition to lubricant supply port 21n on the side of threaded portion 21e of stud 21, lubrication can be performed from both ends of stud 21.

Abstract: A pulley, ball bearing and fan comprising each of the pulley and ball bearing for effectively restricting or preventing occurrence of abnormal noise under cold ambient conditions. A ball bearing 2 of a single row type includes an outer ring 2a and balls 2c. The outer ring 2a and each ball 2c are contacted with each other at two points. An oil groove 5 is formed at a position adjacent to the contact positions P and Q on the raceway surface between the raceway surface 3a of the outer ring and the balls 2c. The ball bearing 2 is fitted within or made integral with the inner diameter of a pulley body 1 having a peripheral surface 1e to be contacted with a belt.

Abstract: A bearing and brake support assembly includes a drive shaft and a bearing assembly. The bearing assembly has an inner race and an outer race. The inner race is secured around the drive shaft. The bearing and brake support assembly further includes a one-piece housing having a central passage extending therethrough. The outer race of the bearing assembly is secured to the one-piece housing at a location within the central passage. The bearing and brake support assembly further includes a yoke secured to the drive shaft. The bearing and brake support assembly moreover includes a brake drum secured to the yoke. The bearing and brake support assembly also includes a brake shoe assembly secured to the one-piece housing. The brake shoe assembly cooperates with the brake drum so as to selectively prevent rotation of the drive shaft.

Abstract: A taper roller bearing comprises an inner ring and an outer ring having tapered raceways, a bearing space in which tapered rollers are arranged, as well as a cage for mutually spacing the rollers. A grease retainer is connected to the outer ring. The grease retainer is situated next to the inner ring part having the smallest raceway diameter. The retainer comprises a ring-shaped channel in the inner space of which grease can be accommodated. The channel has apertures for communicating the channel inner space with the bearing space.

Abstract: A bearing assembly having dynamic drainage for lubrication oil which incls rings which are provided with races with a conical-shaped cross-section which the balls contact at pairs of side contact points. The central circumference of each ring is free; cooling oil drillings are drilled in it. This arrangement gives better oil circulation characteristics, thus improving the bearing efficiency and less heat is dissipated. Thus higher speed can be expected. The drillings responsible for drainage are inclined in the direction of rotation in order to facilitate drainage outside the roller bearing.

Abstract: A roller bearing including inner and outer races defining an interior space therebetween, and a plurality of cylindrical rollers between the races, each race having opposite axial end surfaces, a seal situated at each end of the bearing, each seal including a loosely fitting flange ring extending radially between the races, the ring having an inner axial surface facing the axial end surface of the inner race, thereby defining facing end surfaces, the ring and the inner race respectively having bore surfaces, the inner race having at least one hole extending generally radially from the bore thereof to the interior space for supply lubricant to the interior space, and pressure equalizing passages communicating the interior space with the exterior of the bearing, the openings comprising at least one passage in one of the facing surfaces and at least one axial passage axially traversing the ring.

Abstract: A combined bearing and fluid supply unit is disclosed primarily for use in a power transmission system for marine vessels. The unit has a housing having a circular opening. The circular opening is delimited by an inner surface of the housing, and the inner surface is provided with one or more first circumferentially extending channels which respectively accommodate one or more bearings. The bearings are adapted to support a shaft passing through the circular opening. The housing also includes a first bore extending radially from a second circumferentially extending channel in the inner surface of the housing to an outer surface of the housing. This second circumferentially extending channel is adapted to convey fluid passing from the first bore to a first internal passage in the shaft. Preferably, this fluid is used to actuate a clutch carried on the shaft in a given direction.

Abstract: The present invention relates to an antifriction bearing with an external lubricant supply system, which includes a lubricant duct which extends through the outer ring or inner ring of the bearing, and which terminates in the direct vicinity of the rolling elements of the bearing.

Abstract: The invention enables reliable feeding of lubricant for the rotor mounting of an exhaust turbocharger, wherein the rotary shaft is supported in a two row antifriction bearing, so that the lubricant is uniformly distributed to each of the rows of rolling bodies although the lubricant is supplied from one axial side of the bearing. The bearing inner ring is separated into two rings. A first inner ring is below and defines the inner race for one row of rolling bodies. Below the other row of rolling bodies is a second inner race comprised of two inner ring parts. The inner ring for the first row of rolling bodies extends radially inwardly and axially past the second inner ring parts for the second row of rolling bodies. An annular channel in the axially inner, first ring part of the second inner ring is connected with an axially extending passage that transmits lubricant to the annular channel.

Abstract: A pressure containing wireline sheave mechanism having a sheave body defining an opening within which is received a sheave housing which cooperates with the sheave body to define a circular internal sheave chamber which is exposed to operating pressure such as well pressure during well servicing activities. A split sheave having an external wireline groove is located within the internal chamber and is rotatably supported at its inner periphery by bearings. During operation of the wireline sheave mechanism lubricant is supplied to the inner periphery of the internal sheave chamber at a location adjacent the bearing and at a lubricant pressure exceeding well pressure to prevent well pressure induced migration of contaminants from the wireline groove of the sheave to its bearings.

Abstract: A roller bearing including inner and outer races defining an interior space therebetween, and a plurality of cylindrical rollers between the races, each race having opposite axial end surfaces, a seal situated at each end of the bearing, each seal including a loosely fitting flange ring extending radially between the races, the ring having an inner axial surface facing the axial end surface of the inner race, thereby defining facing end surfaces, the ring and the inner race respectively having bore surfaces, the inner race having at least one hole extending generally radially from the bore thereof to the interior space for supply lubricant to the interior space, and pressure equalizing passages communicating the interior space with the exterior of the bearing, the openings comprising at least one passage in one of the facing surfaces and at least one axial passage axially traversing the ring.

Abstract: A lubricating device for use with a planetary gear unit that includes a plug member integrally formed with a funnel member and is located in an opening formed in the pinion shaft for effectively channelling oil to the bearings of the planetary pinion gear.

Abstract: A fuel lubricated anti-friction bearing comprises an inner race for an anti-friction bearing having a plurality of radially opening apertures communicating with a fuel supply, a rotatable outer race, and a plurality of anti-friction rollers between the inner and outer races, rotation of the outer race effecting rotation of the rollers and pumping of fuel radially outwardly through the apertures in the inner race of the rollers.

Abstract: A bearing assembly having an improved lubrication arrangement includes an inner ring and an outer ring assembly defining a bearing chamber within which bearing elements are disposed. The inner ring, outer ring assembly and bearing elements comprise a bearing group. A housing is disposed about and positionally secures the bearing group. A first lubrication path is defined by the outer ring assembly to conduct lubricant to the bearing chamber. A second lubrication path is defined by the housing to conduct lubricant to the first lubrication path. Preferably, a threaded fitting extends through the second lubrication path and is threadably secured to the first lubrication path so that lubricant may be conducted directly into the first lubrication path without leakage between the bearing group and the housing.

Abstract: A rolling bearing for supporting a rotating shaft of a high speed rotating machine is provided with an outer race including an outer raceway on an inner face thereof, an inner race including an inner raceway on an outer face thereof, the inner race being rotated together with the rotating shaft, a plurality of rolling elements rotatably disposed between the outer raceway and the inner raceway, and a hole formed at a portion of the inner race, in which a section of the hole in a circumferential direction of the inner race has a shape of which a size in the circumferential direction of the inner race is greater than that in an axial direction of the inner race, and which are free from a sharp edge. The rolling bearing can relax stress concentration produced in the inner race during a high speed rotation and can increase the allowable rotation speed of the inner race.

Abstract: A rolling contact bearing assembly comprises an inner race member adapted to be mounted on a rotatable element and including a spacer disposed axially adjacent the inner race. This inner race member is formed with a lubricant reservoir for accommodating a lubricant and a lubricant flow passage communicating the reservoir with a space defined between the inner and outer race, in which space rolling elements are accommodated. At least a portion of said lubricant flow passage is defined by minute interstices which are formed by surface roughness left by surface roughening at an interface between mutual contact faces of a plurality of component parts forming the inner race member.

Abstract: A conveyor apparatus includes a drive unit with a drive sprocket assembly of an armored face conveyor having a central drive shaft for rotation within a lubricated bearing. A bearing housing encloses the bearing and includes an array of access ports circumferentially spaced around the perimeter. A split conveyor frame defines semicircular mounting rings for receiving the bearing housing and securely mounting the drive sprocket assembly. A lubricant channel is provided in the surface of one mounting ring, and the surface of the other mounting ring provides a lubricant seal. The lubricant channel aligns with the access ports of the bearing housing, and includes stopper plugs at each end to restrict the lubricant flow. A transfer tube having a lubricant fitting on a first end transversely extends across the conveyor assembly. A lubricant passage in the conveyor frame extends between the lubricant channel and a feed orifice of the transfer tube.

Abstract: A portable pressure regulated lubrication system for all bearings derived from using a specially designed thrust bearing. The thrust bearing carries a lubricant from a lubrication fitting on the outside of the thrust bearing to the outer race or races in a bearing hub, which in turn feed the internal bearing rollers or balls and rotating surfaces. The lubricant from the fitting coming in travels without any loss sealed within static seals thus assuring full and positive lubrication of the bearings. The pressure within the system is maintained and protected against excess pressure by a relief fitting with a set rating. The pressure assures improved lubrication and particularly with a grease lubricant improves lubrication and system life, and maintains the system free of voids and contaminants. Seals within the system maintain pressure and prevent lubricant outflow while functioning with static and/or moving parts. Round or square cross-sectioned O-Rings preferably act as seals.

Abstract: A rolling-contact type bearing for rotatably supporting a spindle of a machine is cooled by a temperature controlled liquid lubricant supplied to an internal cavity or passageways provided in the spindle, and circulated toward the bearing so that the temperature controlled liquid lubricant comes into direct or indirect contact with the bearing in the order of the inner race, the rolling element, and the outer recess, to thereby apply a cooling and lubricating effect to those elements. The lubricant after cooling is collected to a lubricant-temperature controller to be subjected to a temperature control treatment for reuse as a coolant. An air seal is applied to a lubricant entrance of the spindle where the temperature controlled lubricant is supplied from a lubricant supply member into the spindle, to thereby prevent a leakage of the lubricant toward the exterior.

Abstract: A bearing assembly includes a split inner race disposed on a distal end of an output shaft disposed coaxially about an input shaft. A plurality of bearing elements are disposed around the inner race, with a stationary outer race surrounding the elements. The inner race includes a plural number A.sub.1 of radially extending splitline channels in flow communication with a circumferential splitline manifold between the inner race and the output shaft distal end. A first half of the inner race includes a plural number B.sub.1 of radially extending first channels disposed in flow communication with a circumferential first manifold defined between the inner race first half and the output shaft distal end for channeling oil to the cage. The output shaft distal end includes a number A.sub.2 of axial splitline feed groves joined in flow communication with a respective number of radial splitline feed holes therein for channeling oil to the splitline maniflod, and a number B.sub.

Abstract: An anti-friction bearing assembly having an integrally formed oil feed nozzle especially for use in automotive manual transmissions is disclosed. The oil feed nozzle may be formed as part of the outer race of a shell bearing or as part of the cage of a shell bearing. The nozzle directs oil from a reservoir into the axial bore of a shaft for supplying lubricant to cross bores in the shaft. Vanes may be provided on the nozzle formed integrally with the cage so that when the cage rotates the vanes pump the oil through the nozzle and the shaft bore.

Abstract: A bearing assembly includes a split inner race having first and second inner race halves joined together at a split line. A plurality of center feed passages are provided at the split line, and at least one radial pilot passage is provided in one of the inner race halves and axially spaced from the center feed passages. A bifurcated distribution manifold is disposed at the split line and includes a center distribution manifold disposed in flow communication with the center feed passages, and a pilot distribution manifold disposed in flow communication with solely the pilot passage. The bifurcated distribution manifold ensures the independent channeling of lubricating oil to both the center feed passages and the pilot passage under centrifugal force upon rotation of the inner race.

Abstract: Leakage of compressed air into the lubrication system of a gas turbine engine is prevented by a seal construction including a housing (44), a hollow shaft (40) extending through the housing (44) and adapted to receive lubricant on its interior (58), and a bearing (48) journalling the shaft for rotation within the housing. The bearing (48) includes an inner race (60) provided with a sealing surface (72). A seal holder (74) is carried by the housing (44) and receives an annular seal (82). Passages (94), (96) through the hollow shaft (40) align with passages (98), (102) in the inner race (60) to one side of the sealing surface (72) to direct lubricant from the interior (58) of the hollow shaft (40) to the bearing (48).

Abstract: A rolling contact type rotary bearing assembly includes a pair of inner and outer rings and a plurality of rolling members interposed therebetween to provide a relative rotation between the inner and outer rings. An insertion hole is provided in at least one of the inner and outer rings such that the plurality of rolling members may be inserted into the annular path defined between the inner and outer rings. A closure member is also provided to close the insertion hole after insertion of the rolling members into the annular path. The closure member is formed with a lubrication hole so that a lubricant may be provided to the annular path to allow a smooth rolling movement of the rolling members. A lubricant supply hole may also be provided in either of the outer and inner rings in communication with the lubrication hole of the closure member so as to allow to supply a lubricant to the annular path from the exterior.

Abstract: A bearing assembly for supporting a shaft in a housing includes two single row tapered roller bearings mounted in axial alignment, yet in opposition. The first bearing is conventional, having the usual cup, cone and complement of tapered rollers. The second bearing has a conventional cone and complement of rollers which may be the same as their counterparts in the first bearing. However, the cup of the second bearing further has an integral axial extension which projects toward and abuts the back face of the cup for the first bearing. The two cones are separated by a spacer and are clamped between two radial abutments on the shaft, whereas the cup of the second bearing is clamped with respect to the housing such that it is incapable of shifting relative to the housing. This secures the entire bearing assembly in the housing.

Abstract: Two-row, self-aligning roller bearing comprising an outer ring with a spherical bore defining an outer raceway, an inner ring having raceways, and rollers between the rings rolling on the inner and outer raceways, these rollers having a convex lateral surface, a cage for guiding the rollers, the cage being split into two halves, each half holding one row of rollers and each half of the cage being guided in a sliding manner in the bore of the outer ring, a loose guide ring on the inner ring between the rows of rollers, a lubricant supply hole in the outer ring, the cage halves (6, 7) being located at a distance (A) from each other which is equal to or greater than the diameter of the oil supply hole (10).

Abstract: A thrust bearing or thrust bearings are adapted to be used in pressurized lubricating systems to maintain lubricant under pressure in these systems. The pressure assures improved lubrication and particularly with a grease lubricant improves lubrication and system life, and maintains the system free of voids and contaminants. Seals within the system maintain pressure and prevent lubricant outflow while functioning with static and/or moving parts. Round or square cross-sectioned O-rings preferably act as seals. A special O-ring having separable end segments may be used in the systems with the thrust bearings to seal against pressure and lubricant outflow.

Abstract: In a thrust bearing for retaining a planetary gear device of an automatic transmission of an automobile, for example, either or each of the two lateral edges of a race supporting the rollers of the bearing is extended beyond the bearing and this extension is properly bent to guide the lubricating oil flowing through the bearing.

Abstract: A roller assembly which circumscribes a rotative axle in an engine. The tappet includes spaced holes, usually staggered which allow for distribution of lubricant or coolant fluid to the bearings which lie between the tappet and the axle.

Abstract: A pinion shaft of an axle drive bevel pinion mating with a bevel gear is disposed in two tapered roller bearings, the joint outer race of which is flanged onto the axle housing. In order to lubricate the tapered roller bearings with splash oil and avoid dirt deposits in the bearing area, the outer race of the tapered roller bearings has an oil feeding duct to a collecting pipe arranged above, and at its underside, an oil return duct to the transmission oil sump.

Abstract: This rolling bearing includes an inner race, an outer race, rolling members--either balls or rollers--disposed between these races and rotatably supporting them relative to one another, and generally cylindrical retainers disposed between these rolling members, each rolling on its two adjacent rolling members and keeping them apart. Each retainer has an axially central portion rollingly contacting with these two adjacent rolling members, a pair of circumferential grooves each near one of its ends, and a pair of disk shaped end portions each near one of its ends. These retainers are positioned by their disk shaped end portions rolling on the one radial sides of support rails defined on a pair of covers mounted each at one axial end of one race, and by their grooves being engaged over the other radial sides of free rings each at one bearing axial end. The retainers either may roll on the radially outer sides of the rails and on the radially inner sides of the rings, or vice versa.

Abstract: A high-spped anti-friction bearing particularly useful for airplane power plants, the bearing having an outer ring and an inner ring. The inner ring is axially split at the rolling elements into two axial sections. The axial sections are each generally L-shaped in cross section, with one arm of each L backed against the other. To enable the bearing rings to be relatively thin walled in the radial direction and to prevent undesirable deformation thereof during the manufacture or installation, each of the rings is provided on at least one axial side and preferably on both axial sides with projecting axial extensions. Each extension preferably tapers narrower in its radial thickness axially outward. Each extension includes a cylindrical portion and a frustoconically shaped portion, usually with the cylindrical portion axially more inward and the frustoconical portion axially more outward.

Abstract: In a bearing with a dimple in a grease passage, the improvement wherein the locking pin is urged toward a grease fitting by a spring washer; when the pressure of the introduced grease is excessively high, the locking pin is forced downwardly against the spring washer and blocks the grease passageway through the outer race.

Abstract: A lubricating system including an annular channel, lubricant inlet and outlet ports communicating with the channel, a sealing ring made of flexible elastic material of U-shaped cross section mounted in the channel, a plurality of spaced apart supply holes in the ring, pressure in the supply port operable to displace the sealing ring to permit fluid communicating between the inlet port and one of the supply holes. The supply holes are arranged so that two holes are not disposed diametrically opposite one another.

Abstract: The disclosure concerns an anti-friction bearing between a rotating shaft and an external bushing. The bearing includes two axially spaced apart rows of bearing balls. A feed bushing is disposed in the space between the shaft and the external bushing and between the two rows of bearings. The feed bushing is open at the axial ends for dispensing lubricant to the rows of bearings at the axial ends of the feed bushing. The feed bushing holds lubricant, such as grease, in itself for being dispensed at the axial ends of the feed bushing. A porous elastic material may be disposed in the feed bushing for being impregnated with the lubricant. The feed bushing, and also the porous material if used, are elastic and resilient to permit deflection of the shaft with respect to the external bushing. Various shape and configuration feed bushings are disclosed. A lubricant recharging hole passes through the external bushing and communicates to the feed bushing.

Abstract: A bearing in which a locking or locating pin is used to substantially prevent relative motion between its outer race and its housing, the locking pin preferably being formed by a cold heading technique from a slug of metal so, as to have a generally cylindrical sleeve and a pin-like member in the sleeve which extends therefrom. When an axial compressive force is applied to the locking pin, the pin-like member telescopes into the sleeve, thereby preventing damage to the outer race of the bearing.

Abstract: A bearing for supporting a load by the reaction force of a pressurized fluid, by the reaction force of a plurality of solid or hollow bearing rollers in the absence of the pressurized fluid or by a combined reaction force of the pressurized fluid and the bearing rollers includes a plurality of helicoid pressure reduction ducts leading to a number of chambers delimited by the bearing rollers so as to create a large pressure differential between adjacent chambers. The bearing rollers are disposed between bearing races with an interference fit to impede the passage of the pressurized fluid from one chamber to adjacent chambers.