Abstract: A unitized seal uses two casings and two attached disks of sealing material to provide four total lines of sealing contact. The casings have interleaved, axially and radially overlapping walls, the inner two of which carry the sealing disks. Radial overlap between the sealing disks, which flex easily past one another as the casings are assembled together, prevents casing pull apart during shipping and handling.

Abstract: A roller bearing seal assembly for supporting the drive rolls of a continuous casting machine including an angle ring forming a sealing gap and a lamellar ring seal between the angle ring and a bearing or bearing housing. The angle ring has an axially directed shank and a radially oriented shank mounted in either the outer ring of the bearing, or in the bearing housing in such a way that its axially oriented shank projects beyond the end surface of the roller bearing or housing. The lamellar ring seal is installed between the radially oriented shank of the angle ring and the lateral surface of the inner ring of the bearing. A rotary shaft lip seal is installed on the side of the angle ring facing the interior of the bearing. The axially oriented shank of the angle ring extends into a ring-shaped groove in a drive roll end surface opposite the end surface of the roller bearing or housing.

Abstract: A multirow bearing assembly for the roll neck of a working rolling mill in which the bearing is composed of rolling elements between outer and inner members in which the inner members are positioned in axial endwise abutment and are formed with undercut counterbore formations facings the roll neck. The bearing assembly includes sealing components operative in the counterbore cavity formations to exclude water and contaminants getting into the endwise abutment of the inner members. In addition, the sealing components include one or more devices to adjust the effect of the wear on the seal in the event that water and contaminants get into the sealing components.

Abstract: The invention relates to a spherical rolling bearing which comprises an outer ring with a spherical race track, an inner ring, a plurality of rolling elements between the rings, and seals on one or both sides of the rolling elements. The invention is characterized in that the seals are formed with a rim which can be snapped against the spherical race track and kept in an outer ring by means of this rim and a portion which clamps against the side plane of the outer ring. By this design there is no need for the outer ring to be provided with grooves for holding the seals.

Abstract: A dynamic seal assembly is intended for use as a facial seal between radially inner and outer relatively rotating members having a seal body mounted on a generally L-shaped annular ring, a counterface mounted on the inner of the relatively rotating members with the bearing disposed in journaled relation to the counterface, and the seal body having a sealing lip disposed at an acute angle with respect to the seal body to engage a radial flange on the bearing member and a flexible diaphragm extends radially and outwardly from the seal body to terminate in an outer circumferential sealing portion in sealed engagement with the outer of the relatively rotating members. The bearing member is so disposed with respect to the counterface as to maintain a uniform circumferential band of contact between the sealing lip and flange portion of the counterface notwithstanding axial or radial shifting between the relatively rotating members.

Abstract: A cartridge seal is described where the outer ring 1 and the inner ring 4 are inseparably joined to each other. The outer ring has a circumferential groove 2 which is axially open in a direction toward the outside 14 and which is engaged by a first and second sealing lip of the inner ring 4. The second sealing lip 9 is formed by an extrusion of the protruding end of the first sealing lip 8. Both sealing lips 8, 9 contact their corresponding counter surfaces 6, 7 with circumferential sealing edges 10, 11.

Abstract: The invention relates to a system for the supply of compressed air to the tire of a commercial vehicle by way of a duct system leading through a non-rotary first member into an annular space and then into a rotary second member. The annular space is formed between a receiving sleeve in the rotary member and a race ring on the non-rotary member and is delimited by axially spaced, coaxial seals which may be shaft labyrinth seals or seals making sliding contact.

Abstract: A sealed radial rolling bearing, particularly for use as a supporting or curve roller, comprising race rings arranged concentrically in each other with mutually facing raceways between which cylindrical rolling elements roll, a flanged wheel of angular cross-section being provided at least one axial end of the inner ring for the axial guiding of the rolling elements, wherein the axial leg of the flanged wheel is fitted on the outer peripheral surface of the inner ring under radial pre-tension and a part of the outer periphery of the flanged wheel forms a counter-surface for a seal arranged on the outer ring, characterized in that the inner ring has a smooth cylindrical periphery surface and the radial leg of the flanged wheel bears against the front face of the inner ring.

Abstract: A seal assembly having first and second annular seal elements each having a generally axially extending base and an annular radial lip. Each of the bases includes a wear surface portion, a central portion and an end portion. Each of the annular radial lips extend from a respective end portion. Each of the central portions include at least one bore therethrough. The first and second seal elements are mounted on respective members and are arranged such that the wear surface portion of each seal element provides a wearing surface for the radial lip portion of the other seal element. Furthermore, when assembled, the seal assembly forms a fluid tight annular cavity between this first and second annular seal elements and the bores permit the passage of a fluid medium into and out of the annular cavity.

Abstract: A self lubricating replacement bearing assembly for supporting a rotating axle shaft within an axle housing containing axle lubricant. The rotating axle shaft includes an annular worn portion and an annular unworn portion. The bearing assembly is comprised of an annular sleeve member positioned in sealing engagement with the axle housing, and a plurality of bearing elements radially positioned on the inside annular surface of the annular sleeve member and positioned to engage the unworn portion or the axle shaft, and a single lip seal member fitted to the inner annular surface of the sleeve member and engageable with the rotating shaft to seal the rotating shaft within the axle housing and to retain the axle lubricant within the bearing assembly.

Abstract: A starter motor which is improved in waterproof performance. The starter motor comprises an output rotary shaft, a stationary frame, a ball bearing secured to the frame, and a clutch pinion moving member mounted in a coaxial relationship to the rotary shaft between an outer periphery of the rotary shaft and the ball bearing for sliding movement over a predetermined distance in an axial direction thereof. The clutch pinion moving member has a pinion at a front end thereof, and an oil seal is mounted at a location on the frame forwardly of the ball bearing and extending toward the clutch pinion moving member to seal a location between the frame and the clutch pinion moving member. The oil seal has a radial section of an L-shape having an axial side and a radial side extending from a front end of the axial side. It may have a plurality of axially extending drain slots or drain holes formed in a circumferentially spaced relationship on an inner periphery of the axial side thereof.

Abstract: A two piece split bearing assembly is provided and consists of an outer race ring, an inner race ring and a plurality of antifriction elements all split in half. A male V-groove is formed on each end of one half of the outer race ring and the inner race ring while a female V-groove is formed on each end of other half of the outer race ring and inner race ring. When the two halves of the inner race ring and outer race ring are mated together with the antifriction elements between they will form the bearing assembly.

Abstract: A sealed rolling bearing including inner and outer races and a pair of sealing plates in which fixing grooves each for fixedly receiving a fixing edge portion of a corresponding sealing plate are formed in the edge portions of the peripheral surface of one of the inner and outer races, and slide grooves each for slidably receiving a slidable seal edge portion of a corresponding one of the sealing plates are formed in the edge portions of the peripheral surface of the other race. Each slide groove has a U-shaped cross-section including a bottom surface and a pair of axially outward and inward inclined surfaces. Each sealing plate comprises a core and a flexible seal member integrally fixed to the core, and first, second and third lips which extend axially outwardly, axially inwardly and substantially radially, respectively are formed on the slidable seal edge portion of each sealing plate.

Abstract: A bearing assembly for rotatably supporting a conveyor roller tube for a belt conveyor or the like about a fixed shaft which includes a housing to which a roller tube is attached, an end cover positioned on the fixed shaft adjacent one side of the housing, and a bearing interposed between the housing and end cover permitting rotation of the housing relative to the end cover. The end cover completely covers the end of the shaft about which it is positioned and cooperates with the housing for effectively protecting the bearing from exposure to contaminants. During conveyor operation, the end cover prevents migration of contaminants along the shaft from the end thereof and the housing centrifugally expels contaminants which may enter the space between the housing and the end cover. In addition, the housing, bearing end cover, and shaft cooperate to limit axial shifting of the assembly components relative to one another.

Abstract: An apparatus for supporting a rotating shaft of a vehicle transmission with a roller bearing has a pair of seals which have an inner peripheral edge slanted toward and come very close to the end surface of the rollers of the roller bearing, whereby when the rotating shaft is tilted and inserted into the roller bearing, it is hard for the end of the rotating shaft to hit the seal on the opposite side from insertion.

Abstract: A seal assembly includes a stiff annular case and a resilient annular seal. The seal has a peripheral rim connected to a peripheral edge of the case and a peripheral rim extending radially from the case for resiliently radially sealing against a first surface, such as a shaft or shaft housing, spaced radially from the case. An intermediate rim extends axially from the body of the seal relative to the seal and case for resiliently axially sealing against a second surface, such as the outside surface of an antifriction bearing, located axially adjacent the case and extending between the first surface and the case. The peripheral edge of the case to which the seal is connected may be skewed at an obtuse angle relative to a radial flange of the case. The seal extends radially outward from the case in one embodiment and radially inward from the case in another embodiment.

Abstract: A seal structure is disclosed in which self-aligning bearings have flanges fastened to respective ends of the inner and outer rings. The flanges overlap with an annular gap between them. A sealing ring having two sealing lips is fixed to one of the flanges. The other flange has an axially extending portion which is concentric with the axis of the bearing and has a spherical outer surface. In one embodiment, one sealing lip extends across the gap and presses against the spherically curved surface. This sealing lip remains sealed to the outer surface even when the bearing rings swing out of alignment with one another. The second sealing lip rests against an approximately radial portion of one of the flanges to improve the sealing action. A second embodiment contains an additional third sealing lip, which is obliquely inclined toward the spherically curved portion of the flange.

Abstract: A rolling bearing has at least two bearing rings which are separated from one another by a spacer, and the joints between the spacer and the bearing rings are sealed with sealing rings. The spacer is a disk with flat end faces which extend over the full height of the disk. The outer periphery of the spacer has at least one sealing ring which projects axially over the end faces of the spacer and rests against surfaces of the adjacent bearing ring.

Abstract: Bearing assembly comprising inner and outer rings and a plurality of rolling elements in the annular space between the rings means having a seat on the inner peripheral surface of one of the rings facing the annular space including a throat section having a saw tooth shaped axial profile, a seal system at least at one axial end of the annular space and having at least one generally rigid shield member, a cover member of resilient material covering at least a portion of the shield member, the shield member having a separate sleeve-shaped portion and with interposition of at least part of the elastomeric covering, in the annular with the sleeve portion of the armature being placed coaxially with the rings and presenting a separate rim, facing towards the outside of the annular cavity, folded over so as to engage in the sawtooth-shaped throat to immobilize the shield axially in the annular seat.

Abstract: A separate crankshaft bearing sleeve which in situ surrounds the crankshaft bearings in a combustion engine. The sleeve consists of a ring-shaped part as well as a disc-shaped part (22, 21). The ring-shaped part encircles the roller bearing (17) in the bearing seat in the crankcase end wall and the disc-shaped part incorporates a sealing ring (25) with lips (26, 27) sealingly engaging the crankshaft.

Abstract: The interior of an antifriction bearing is isolated with an enclosure having a case which fits into the outer race of the bearing and primary and secondary lips which establish a barrier along a sealing surface that is located beyond the inner face of the bearing. The primary lip, which is presented toward the interior of the bearing, does not actually contact the sealing surface, but does have pumping cavities which direct lubricant, that migrates along the sealing surface, back toward the interior of the bearing. The secondary lip projects away from the primary lip and actually contacts the sealing surface. The case, primary lip and sealing lip are all molded from a common polymer as an integral unit. Where the journal around which the bearing fits ends beyond one end of the bearing, a polymer cover may be snapped over the enclosure at that end of the bearing to provide an extra measure of isolation.

Abstract: An oil seal assembly has an inner annular member and an outer annular member which can rotate relative to each other and are disposed concentrically with each other to have a certain distance from each other in the radial direction. An elastic annular sealing member is bonded to the outer annular member and is in sliding contact with the inner annular member to form sealed annular cavities between the inner and outer annular members. The outer annular member has a cylindrical portion and an annular flange portion. The inner annular member has an inner cylindrical portion, an annular flange portion and an outer cylindrical portion. This outer cylindrical portion is concentric with the inner cylindrical portion to form a certain distance from the inner peripheral surface of the cylindrical portion of the outer annular member. The elastic annular sealing member has a plurality of seal lips which are bonded to the inner peripheral portion of the annular flange portion of the outer annular member.

Abstract: A unitary, axially self-locating needle bearing which may be of the drawn shell type has an inner race having a crimped flange projecting radially outwardly from the inner race, an outer race having a flange projecting radially inwardly at either end of the outer race, and a plurality of needle rollers held in a cage contained between the drawn inner race and the drawn outer race. The flange on the inner race axially located the inner race with respect to the outer race. The crimp forms a radially outwardly projecting flange on the inner race positioned between one end of the caged needle rollers and one of the inwardly projecting flanges of the outer race. The other inwardly projecting flange of the outer race is positioned at the other end of the caged needle rollers.

Abstract: An oil seal is disclosed in which an axially extending annular portion is formed at a radially inward edge of either one of a support member and a sealing member. An annular elastic sealing member extends from a free end of the axially extending portion in a radially inward direction and in an axial direction opposite to the extending direction of the axially extending portion, thus forming a sealing portion for sealing an outer circumferential surface of the rotary shaft.

Abstract: A sealed bearing arrangement for a Cardan type universal joint comprises a bearing cup and a seal assembly which has an elastomeric body and a metal washer of U-shaped cross section. The elastomeric body has an inner flexible, annular seal lip which engages an inside cylindrical surface of the bearing cup and an outer seal bead and an outer flexible, annular seal lip which engage outside surfaces of the bearing cup. The sealed bearing arrangement includes a hardened steel washer inside the bearing cup which is engaged by an end of the metal washer of the seal assembly to protect the inner flexible, annular seal lip against damage or interference by needle bearing rollers inside the bearing cup.

Abstract: A sealed double row spherical roller bearing assembly, having a bearing, with an outer race providing two spaced-apart outer roller tracks, and defining in section an arc of a sphere, an inner race defining two parallel spaced-apart inner roller tracks, each defining in section an arc of a sphere, a plurality of rollers located in respective inner and outer tracks, each of the rollers defining in section an arc of a sphere corresponding to the arcs of respective inner and outer tracks, seal retaining shoulders formed on one race, seal engaging surfaces formed on the other race, two annular flexible seals supported on respective seal retaining shoulders, and extending into engagement with respective seal engaging surfaces, and a bearing housing receiving the bearing, the housing being open at both ends.Also disclosed is a bearing housing having retaining means for retaining a bearing in at least two positions.

Abstract: A sealing shield assembly for a rolling bearing has at least one ring with a seat comprising at least one essentially reinforcing member and an anchoring device made of an elastomeric material for securing the enforcing member in the bearing seat. The reinforcing member includes a peripheral annular sleeve portion shaped like a cylindrical sleeve, and an anchoring device which includes a radially elastically compressible sleeve section made of an elastomeric material. It is secured as a unit to the sleeve portion on a lateral coupling surface thereof, and is adapted to be interposed between the annular sleeve portion and the bearing seat. A plurality of axial grooves are on a separate lateral surface opposite the said coupling surface of the annular sleeve portion. The grooves extend from a continuous annular end portion of the elastomeric sleeve section to a point corresponding to a terminal rim of the annular sleeve portion interrupted by the grooves.

Abstract: An end seal is provided at each axial end of the bearing. The structure of the bearing and the structure of the end seal is such that the axial length, radial length, and bearing capacity of the new bearing is substantially the same as the standard axial length, radial width, and roller member capacity of bearings without seals.

Abstract: A seal, particularly for antifriction bearings, which includes two facing L-shaped, rigid sheet metal parts. The axially directed arm of each sealing part, has on its radially outer surface, a thin elastic covering layer which is scraped off over part of its axial length during assembly of the seal into the space between the bearing rings. The scraped off part of the covering is stored in a groove in the interior of the adjacent bearing ring. Two of the L-shaped parts are provided and their open sides face toward each other. Sealing lips seal the space between them.

Abstract: In a conductive rolling bearing comprising an inner ring (11), an outer ring (12), a plurality of rolling elements (13) mounted between the inner ring and the outer ring, and seal members for sealing the space between the inner ring and the outer ring, the seal members have one end thereof secured to one of the inner ring and the outer ring and the other end thereof in an elastic, sliding contact with a seal wall surface (18) formed on the other. The free end (19) of the seal member (15) is bent outwardly of the bearing and the seal member (15) is in a sliding contact with the seal wall surface (18) on its bent portion (20). This arrangement gives the effects of providing a low, stable torque for the bearing and of improving the seal performance of the bearing. This conductive rolling bearing is used in a steering assembly of an automobile and bearing assemblies having a bearing near electrical devices.

Abstract: A unitary molded plastic ball cage for a thrust bearing with axially opposed races has seals molded to the cage separator that break away at assembly for independent sealing operation.

Abstract: An interlocking seal assembly for a universal joint which acts both to seal the bearing assembly as well as to retain the bearing block from falling off the spider in the joint. This assembly includes a resilient sealing member engaging a trunnion and having a backing ring housing the seal and adapted to be press fitted into the bearing block on the trunnion and a loose fitting generally cylindrical shield adapted to be press fitted onto a diameter of the spider. The backing ring and shield have overlapping lips providing the interlock to retain the bearing block on the spider.

Abstract: A flap seal assembly for anti-friction bearings wherein the seal components function to retain the lubricant against leakage to the outside and to function to prevent contaminants entering the bearing from the outside. The seal assembly may have a single set of flaps in combination with a dust lip type seal in one form and it may have a double set of flaps in another form. The seal assembly reduces torque drag on the bearing in the dust lip type seal and is torque free in the double flap seal form.

Abstract: The assembly for supporting in terms of rotation and for sealing a first element (2; 5) rotating in a second element (7) comprises an outer raceway structure consisting of two sheet-metal half-raceways (11; 12) having two coupled outer collar portions (13; 14) serving for mounting the outer raceway structure in an orifice in the second element, and a first (13) of the outer half-raceways carrying the lip seal (22) interacting with the first element (2; 5) forming the inner raceway (10) typically has an extension part (21) opposite the collar portion (13), the lip seal (22) advantageously having a peripheral part (23; 23') forming a static seal and interacting in engagement contact with a wall of the orifice in the second element.

Abstract: A sealed antifriction bearing with an inner and outer ring and rolling elements between them includes sealing rings at both axial ends of the annular space between the rings. A sealing ring is fixed to the outer ring and rotates with it. At the inner ring, the sealing ring has a resilient sealing lip with a sealing edge adjacent the inner ring. Projections from the sealing lip project toward the inner ring and are wedge shaped and oriented such that relative rotation of the outer and inner rings causes the projections to convey lubricating oil axially into the annular space between the bearing rings. The sealing lip has a less inclined surface axially inward of the sealing edge and a more sharply inclined surface outward of the sealing edge. The projections are on the sealing lip surface axially inward of the sealing edge.

Abstract: A water pump bearing unit for satisfactorily sealing an impeller side of the pump comprises a plurality of rollers installed in the annular space between a water pump shaft and a pulley respectively on one and the other ends thereof and an outer ring surrounding the shaft; an annular seal member with two lips, each having an interference, inwardly and outwardly extended in the axial direction between the end of the outer ring on the impeller side and the outer peripheral surface of the shaft; and an annular seal member with a lip having an interference inwardly extended in the axial direction between the end of the outer ring on the pulley side and the outer peripheral surface of the shaft.

Abstract: A rolling bearing comprising an outer race and an inner race situated coaxially therein both races defining an annular space therebetween and a row of rolling members in the annular space between the races, and generally annular ring seals, having inwardly directed sides and inner and outer peripheral areas, for sealing off from the surroundings, on either side of the rolling members, the annular space between the races wherein a lubricant is present, wherein the inwardly directed sides of the sealing rings is formed with at least one cavity containing a fluid magnetic lubricant, and a magnetic forming magnetic fields, the poles of which fields are located on either side of the cavity, near the races.

Abstract: A seal retention and anti-rotation locking assembly (20) positioned within an aircraft wheel hub (10). The wheel hub (10) has a plurality of eccentric grooves (24) disposed about the periphery of an opening (12), the eccentric grooves (24) receiving therein complementary-shaped retaining ring segments (22). A grease seal (40) extends between the periphery of the opening (12) and an axle member (14), and is anchored securely by means of the retaining ring segments (22) and fasteners (28). The eccentric shape of the grooves (24) prevents deformation of the retaining ring segments (22) and release of the seal (40) while maintaining grease at bearings (16) located between the hub (10) and axle member (14).

Abstract: An auxiliary sealing system generally includes a flexible sealing ring, with an optional restraining element, such as a metal band, secured therearound for further fastening same to a given circular member. Such circular member may comprise an extension of the inner race of a bearing assembly secured to a shaft by a plurality of set screw arrangements radially disposed about such inner race extension. The auxiliary seal may be provided with radial holes in the circumference thereof for selective alignment with such set screws to provide access thereto. After the set screws are tightened, the auxiliary seal may be rotated and clamped to the given circular member to thereby protect the set screws from contamination.

Abstract: A rolling bearing comprising at least one outer and one inner race situated coaxially therein and a row of rolling members situated in a space between these races and first and second seals for sealing the space between the races off from the outside surroundings on either side of the rolling members, to prevent a lubricant present from escaping to the outside and to prevent foreign matter from penetrating into the space from outside, the first seal being generally annular and the second seal comprises a sealing lip that is in communication with one of the races and having an inwardly directed side which rests springily against the other race, the first annular seal having an end portion that lies behind the inwardly directed side of the sealing lip, at a short distance from the other race thereby defining first, open, slot-shaped annular space between the seals and the said inner race and which space contains a quantity of magnetic fluid, and a magnet forming a magnetic field whereby such fluid is held withi

Abstract: The rotating and sealed bearing assembly (14) of a first member (2) rotating in a second member (10) comprises a structure of a bearing outer track constituted by a backing plate in sheet steel (18) shaped in order to present an intermediate zone of rounded profile (17) forming the bearing outer track extending, on one side, folded back (19), by a first zone with radial end (20) and, on the other side, by a second zone with axial end (21) with the lip seal (23) interacting with the first member (2) and, to advantage, a static seal (25) interacting in engagement contact with the housing (10).

Abstract: A sealing system for sealing the space between relatively rotatable members comprising a rigid support element and an annular elastomeric sealing element having an internal radial annular lip extending radially and axially from an annular root portion of the elastomeric element. The annular lip has a radial section of generally V-shaped cross section, having its vertex located obliquely with respect to the axis of the elastomeric element and comprising two portions of reduced cross section, one of the portions corresponding to the root portion and the other to the vertex of the V. Portions of reduced cross section divide the annular lip into first and second sections operable to engage with corresponding sealing surfaces on one of the members and having sufficient flexibility to hingedly connect the sections to one another and to the root portion.

Abstract: A pivot mounting assembly for movably mounting a steering column of a vehicle in a housing or the like comprising a rolling bearing including an outer ring and a plurality of rolling elements disposed between the steering column and a housing for pivotally mounting the outer ring in the housing including an intermediate mounting member disposed between the outer ring and housing and adopted for positive form locking connection with the housing in an axial direction and including a pair of cooperating retaining ring members having cooperable axially oriented projectors and recesses which are interengageable in a friction locking manner.

Abstract: A brake shaft bearing assembly for an "S" cam type brake shaft has pairs of needle rollers which bear on the brake shaft and which run in outer races fitted in a bearing housing on a vehicle. Each outer race is of stepped configuration to provide an abutment face locating it in the housing and is fitted with a dust seal assembly at its outer end. The bearing assembly is retained in the housing by a circlip fitted to the brake shaft.

Abstract: A roller bearing assembly comprising inner and outer rings having an annular space therebetween, a plurality of rolling elements in the annular space, a cage for guiding the rolling elements, a retaining element mounted on one of the rings and having flexible projections to snap fit with complementary surfaces of the cage whereby the one ring is connected through the cage to the retaining element.

Abstract: A rolling bearing has a pair of sealing rings, each of which presents at least one radial lip designed to rest and slide on a corresponding surface of the bearing inner ring and is inserted in an annular groove formed on the bearing outer ring, the aforementioned groove presenting, on the side facing the row of rolling bodies, a first tapered shoulder surface for the sealing ring and, on the opposite side, a second shoulder surface for the ring itself; each of the aforementioned sealing rings being made of deformable material and having a metal annular strengthening member and a layer of the aforementioned material arranged over the strengthening member, on the side facing the first shoulder surface, and designed to rest on the first shoulder surface.

Abstract: This is a multirow bearing for supporting a work or back-up roll of a rolling mill. A seal case is fitted within the annulus between the inner races and outer races. The seal case is configured to fit entirely within the annulus. The seal cases have elastromeric portions which cooperate with an inner race to form barriers at the ends of the bearing.The inner races may comprise a pair of inner races separated by a sealed spacer.

Abstract: A divided type antifriction bearing assembly with a seal having two semicircular divided inner annular members each having a track on the outer peripheral surface thereof and having at the axially outer end of the track a flange portion which is in contact with the end surface of a roller, the inner annular members each forming a cylindrical shape having a cylindrical portion axially extending continuously to the flange portion, the inner annular members being divided along the axis thereof and coupled together, an outer annular member having a track on the inner peripheral surface thereof opposed to the inner annular members, and rollers provided between the tracks of the inner and outer annular members is characterized in that the bearing assembly includes a seal member mounted radially inwardly outside the track of the outer annular member, the inner peripheral portion of the seal member is in sliding contact with a portion of the cylindrical portion of each of the inner annular members, and the inner annu

Abstract: A sealed, oil-filled journal is provided which includes two axially-spaced ball race areas in the preferred embodiment, and which incorporates an axially expanding pressure ring disposed between an internal annular rib and the angular contact ballbearing ring in one of the ball race chambers. The pressure ring maintains generally constant force against all of the bearings in the spaced ball race chambers so that the combination of the immersion in oil of all the bearings in the journal, and the maintenance of the constant pressure on the bearing elements to prevent their getting loose, minimizes brinelling and produces a jounral that has a very long life span.

Abstract: An oil seal disposed between a device having a rotary shaft and the rotary shaft. The oil seal comprises an annular supporting member supported within the fixed structure of the device and an annular elastic sealing member disposed in contact with the outer peripheral surface of the rotary shaft in such a manner as to allow relative sliding rotation therebetween. The annular supporting member has a peripheral supporting portion with a cup-shaped section taken along a plane including the axis of the rotary shaft, and the cup-shaped section opens to the outside of the device in the axial direction thereof. The annular elastic sealing member is fixed to an annular, radially-inwardly projecting portion of the annular supporting member.