Abstract: A sealed rolling bearing has sealing devices with both the functions of high sealing ability and small sliding resistance, which are antipodal to each other. The sealed rolling bearing has an outer member (1, 30) formed with an outer raceway surface (8, 29) on its inner circumferential surface. An inner member (4, 5, 32) is formed with an inner raceway surface (9a, 9b, 31) on its outer circumferential surface. The inner raceway surface (9a, 9b, 31) is arranged opposite to the outer raceway surface (8, 29). Rolling elements (10, 34) are freely rollably contained between the outer and inner raceway surfaces. Sealing devices (12, 13, 35) are arranged in an annular space formed between the outer and inner members (1, 30 and 4, 5, 32). Each of the sealing devices (12, 13; 35) has elastic sealing lips (27a˜27c, 23˜25, 37a, 37b).

Abstract: The inventions concerns a sealing device for antifriction bearing comprising a fixed support (1,2) and a rotating support (2, 1), said sealing device comprising a metal frame (4) designed to be associated with a support (1, 2) of said bearing and a sealing joint, said frame including an annular seat (4a) and, secured to said seat, electronic identifying means (5) consisting of a transponder (6) connected on a communication antenna (7), wherein the antenna (7) has an at least semi-annular or annular shape which is designed to be urged opposite the seat (4a), the identifying means (5) being secured to said seat (4a) via an insulating material layer (8, 10) which is interposed between the antenna (7) and the seat (4a) so as to provide electromagnetic insulation for said antenna.

Abstract: A rolling bearing apparatus includes inner rings, an outer ring, and sealing devices each having a seal case fixed to the outer ring. The seal case includes a fixing portion press-fitted in the outer ring, and a ring-shaped portion extending radially inwardly from an axially-outer end of the fixing portion. The fixing portion has a ridge formed on and projecting radially outwardly from an outer peripheral surface thereof. The ridge is disposed nearer to the axially-outer end of the fixing portion than an axially inner end of the fixing portion.

Abstract: A joint for use in a suspension system including an elongated suspension member is disclosed. The bearing assembly comprises an outer race, an inner race, a shaft, a collar, and a seal. The outer race is configured to be coupled to the elongated suspension member. The inner race is coupled to the outer race and is moveable relative to the outer race. The shaft is coupled to the inner race. The collar is coupled to the shaft and limits the movement of at least one of the inner race and the shaft relative to the outer race. The seal member is configured to form a seal between one of the shaft and the first collar and one of the outer race and a portion of the elongated suspension member.

Abstract: The present invention provides a transmission pump bearing assembly having an integral seal. The apparatus preferably includes an outer race retained by a pump body such that the outer race is fixed relative thereto. An inner race is disposed radially within the outer race, and is engaged by a damper hub such that the inner race rotates along with the damper hub. The inner race includes a radially recessed portion adapted to accommodate a seal and maintain tight clearance to control leakage. A plurality of bearing members are disposed radially between the inner race and the outer race. The seal disposed within the radially recessed portion of the inner race is configured to engage the pump body and thereby seal an interface between the inner race and the pump body such that leaked hydraulic fluid is restricted from passing therebetween. A bearing cage is configured to axially retain and/or to maintain circumferential spacing of the plurality of bearing members.

Abstract: A bearing device for a drive wheel, wherein an annular first seal member is disposed in a clearance between a knuckle member and the outer peripheral surface of an outer ring member. A third clearance small in the radial direction and continued by the length of a first annular side part is formed between the second inner diameter surface of the knuckle member and the first annular side part. Thus, water and slurry are prevented from entering into the clearance formed around a hub bearing.

Abstract: A bearing assembly (A-H) enables one member (4) to rotate relative to another member (2) about an axis (X). It includes a bearing (6) having an inner race (54) on one of the members, an outer race (74, 126, 164, 250) in the other member, and rolling elements (58) between raceways on the two races. A seal (10, 180, 210, 256) excludes contaminants from the interior of the bearing, and it includes a wear ring (92, 184, 214, 276) carried by an extension (80, 128, 144, 168, 252) on the outer race beyond the raceway of that race, a contacting wear ring (90, 182, 212, 278) carried by the member on which the inner race is located or else by a can (110, 230, 254) that is fitted to the inner race. The seal also includes backing elements (94, 96, 192, 194, 216, 218, 294) for supporting the wear rings on that which carries them, and in most instances the backing elements exert a biasing force on the wear rings to maintain them in contact, so that they establish a dynamic fluid barrier.

Abstract: A seal for a pulley on a roller bearing includes a sealing cap which covers the front face of the roller bearing and is connected to a hub for externally enclosing the roller bearing. On the opposite side, the roller bearing has a sealing plate, which is likewise fixed to the hub and on the inner side interacts with a cylindrical section of the fixed housing.

Abstract: A sealed bearing includes a first race having a circumferential outer surface with a first portion of a first diameter and a second portion of a reduced diameter. A second race is provided having an circumferential outer surface with a first portion of a first diameter and a second portion of a reduced diameter. Rolling elements are positioned between the first race and the second race. A race retention sleeve is provided which engages the second portion of the first race and the second portion of the second race.

Abstract: A seal device for a bicycle steering bearing assembly includes a seal ring having a tubular insertion and a flange extends radially horizontally from one end of the insertion. A tapered mask has a first open end which is engaged with a groove in an outer periphery of the insertion and a second open end of the mask receives the steering bearing assembly therein. A locking nut is securely mounted to the steerer tube and has another groove defined in an inner periphery of one end thereof. The other end of the insertion is engaged with the groove of the locking nut.

Abstract: A rolling bearing device of the invention has inner rings, an outer ring, and a sealing unit having a seal case fixed to the outer ring. The seal case is internally fitted to an annular corner formed between a shoulder inner peripheral surface of the outer ring, and a seal groove in a state where the diameter of a fixed portion is reduced elastically, and is fixed to the outer ring in a state where the annular corner and an outer peripheral surface of the fixed portion are in a line contact with each other.

Abstract: Emergence of fretting worn powder is to be suppressed, and intrusion of the worn powder that has emerged into an internal area of the bearing. A ring spacer is interposed between an end face of an inner ring of the bearing to be mounted on a wheel axle, and an end face of a rear cover (ring member) to be mounted on the wheel axle for axial positioning of the inner race with respect to the wheel axle. An elastic seal ring is integrally fixed to an outer periphery of the ring spacer. The elastic seal ring is elastically fitted to an outer circumference of a recessed stepped portion formed on the end face of the rear cover. The elastic seal ring is thus pressed against the opposing end faces of the inner race and the rear cover. Inside the elastic seal ring, a storage space for the worn powder is provided.

Abstract: A sealing assembly for a bearing assembly. The sealing system comprising a removable cover and a rotatable member. The bearing assembly also comprising a bearing insert and a bearing housing. The removable cover is securable to the bearing housing. The rotatable member is secured to the removable cover. The rotatable member has an opening for a rotatable shaft to pass into the bearing assembly through the rotatable member. The opening through the rotatable member is adapted to receive the rotatable shaft and to form a seal against the rotatable shaft.

Abstract: The invention relates to an antifriction bearing (30) of the roller (34) type for a pulling system for a weaving loom, comprising: an inner race (32) and an outer race (36) lying one on each side of the rollers (34) defining two raceways (321) and (361), two end plates (40, 42) secured to the inner race (32) and positioned respectively and axially close to each flank (34a, 34b) of the rollers (34), each end plate (40, 42) lying radially (Y) beyond the raceways (321, 361), the end plates (40, 42) and the inner race (32) being intended to be mounted between two lateral flanges (24a, 24b). At least one end plate (40, 42) has a shape defining at least one cavity (41, 43) adjoining all or part of a flank (34a, 34b) of the rollers (34) and able to accept a lubricant.

Abstract: A pulley support double row ball bearing is disclosed, which improves the seal performance of the seal rings and is able to maintain sufficient durability even under severe conditions. The ball bearing includes inner sections of the seal rings which overlap the end surfaces in an axial direction of the inner ring such that the width of the overlap in the axial direction is 30% or more than the diameter of the balls. Moreover, tip edges of first and second protrusions are formed on the inside surface of the seal lips and come in sliding contact with end surfaces of the inner ring. Furthermore, third protrusions come close to and face the corner sections of the inner ring to form labyrinth seals in those areas.

Abstract: A weather-resistant roller device for a conveyer includes a roller body which has two axially opposite end walls respectively having indented wall regions each confining a receiving groove, a spindle supporting the roller body and having two engaging parts each projecting out of a respective end wall, bearing assemblies sleeved on the spindle, two anti-leak assemblies each provided in a respective receiving groove, and two protective caps each covering a respective engaging part. Each anti-leak assembly has an outer fixed seal member disposed annularly around the spindle and extending from the spindle to a respective indented wall region. Each protective cap has an inner skirt abutting sealingly against the outer fixed seal member of a respective anti-leak assembly, and a hollow neck extending outwardly from the inner skirt and receiving fittingly a respective engaging part.

Abstract: The invention relates to a sealed radial rolling bearing, in particular a wheel bearing for a motor vehicle, which substantially comprises an outer bearing ring and an inner bearing ring and a plurality of rolling bodies which roll between the bearing rings and are held with uniform spacing relative to one another by means of a bearing cage. Here, in each case one radially arranged sealing element extends between the bearing rings at each side at a distance axially from the rolling bodies, said sealing element having one or more sealing lips which are connected to the outer bearing ring and some into contact with a centrifugal ring which is connected by means of a press fit to the inner bearing ring.

Abstract: A wheel bearing apparatus formed by a unit of a wheel hub, a double row rolling bearing and a constant velocity universal joint where the double row rolling bearing has an outer member formed with double row outer raceway surfaces on its inner circumferential surface. An inner member, including the wheel hub has a wheel mounting flange integrally formed at one end. One of the double row inner raceway surfaces are formed on the inner member and is arranged opposite to the double row outer raceway surfaces. A cylindrical portion axially extends from the wheel mounting flange. Also, the inner member includes an outer joint member of the constant velocity universal joint. The outer joint member is formed with the other of the double row inner raceway surfaces. The outer joint member has a shaft portion axially extending from the other double row inner raceway surface. Double row rolling elements are rollably arranged between the outer and inner raceway surfaces.

Abstract: A pressurized bearing assembly includes a pressurized housing having a bearing seal that protects bearings that are provided within the housing. The bearing seal may include a stator, a rotor, and a pressure bleed. The rotor may be provided with one or more fins. The housing may be pressurized with air and/or a lubricant. The housing may also include two or more portions separated by a housing seal. The housing may include a chamber for maintaining the air or lubricant. The lubricant may circulate through the housing via a closed-loop lubrication system. The housing may also be provided with an anti-wetting compound. The housing, stator, and rotor may be made from temperature and corrosion resistant material.

Abstract: An aircraft wheel grease retainer for use in a wheel assembly having an axis of rotation, and further having bearings which are each located in a bearing cavity, wherein the bearing uses grease, which is introduced into the bearing cavity, wherein the wheel assembly is comprised of an outer wheel half assembly, and an inner wheel half assembly, wherein the grease retainer comprises a cylindrical retaining structure which spans from the bearings on the outer wheel half assembly to the bearings on the inner wheel half assembly, and two pliable interface rings. The cylindrical retaining structure has a centerline which corresponds to the wheel assembly axis of rotation, and further has an outer end and an opposing inner end, with a corresponding outer retaining flange and inner retaining flange which extend over the bearing cavities. The pliable interface rings seat on the cylindrical retaining structure, and interface between said cylindrical retaining structure and the wheel assembly.

Abstract: To supply a pivot assembly for hard disk drive use that can reliably fix a seal member and solve the problem of out gas, thus reducing the expense and time incidental to the pre-load of a ball bearing. Ball bearings have been joined to both ends of a shaft, and on the outer circumference of these ball bearings, the spacer part is joined to a sleeve disposed between both ball bearings, and a seal member that covers the outer end of the ball bearing has been fixed to the outer circumference of the shaft by laser welding. Because the seal member is fixed by laser welding, the seal member can be reliably fixed and the problem of out gas from the seal member can be solved.

Abstract: A bearing assembly includes an inner race and an outer race, with the outer race positioned such that the inner race is an opposed and spaced apart relation from the outer race. Roller elements are disposed between the inner race and the outer race. A resilient seal element extends adjacent to a flange element, maintaining an effective seal during axial and/or radial movement, such as that caused by thermal expansion, of the resilient seal element relative to the flange element. The resilient seal element excludes contaminants from entering the bearing assembly and retains grease or lubricant within the bearing assembly.

Abstract: To avoid an adherence of metallic particles from a knuckle to a magnetic encoder during coupling of a wheel support bearing assembly to the knuckle and/or transportation of the wheel support bearing assembly, a protective cap (18) is provided. The wheel support bearing assembly with which the protective cap (18) can be used is of a type including a magnetic encoder (10) provided in a sealing unit (5). This protective cap (18) includes an annular cover-up portion (18a) for enclosing an annular surface of the magnetic encoder (10) that is exposed bare to the outside, and an engagement wall (18b). The engagement wall (18b) is integral with the annular cover-up portion (18a) and of a cylindrical shape capable of being removably engaged in the wheel support bearing assembly.

Abstract: A bearing unit comprises a radially outer stationary race (1) and a pair of radially inner rotatable half-races (2a, 2b). An intermediate annular chamber (8) is defined between the outer race (1) and the inner half-races. The intermediate chamber communicates with the outside through first air passages (5) formed in the outer race and with the inside of the bearing unit through second radial air passages (6) defined between the inner half-races. The second passages (6) are defined by an intermediate annular member (10) which is axially interposed between the inner half-races (2a, 2b) and forms one or more blade surfaces (12a, 12b) extending from the second passage (6) to the intermediate chamber (8) for capturing air from the intermediate chamber and conveying it into the second passage.

Abstract: A bearing assembly for a wheel assembly. In some constructions and in some aspects, the bearing assembly includes a housing defining a cavity therethrough, a first bearing cone positioned within the cavity and a second bearing cone positioned within the cavity and spaced from the first bearing cone. A first plurality of rollers is positioned between and engageable with the housing and the first bearing cone and a second plurality of rollers is positioned between and engageable with the housing and the second bearing cone. A seal seals the space between the first bearing cone and the second bearing cone. In some constructions and in some aspects, the seal is non-metallic or elastomeric.

Abstract: A bearing unit comprises a radially outer stationary race (1) and a pair of radially inner rotatable half-races (2a, 2b). Au intermediate annular chamber (8) is defined between the outer race (1) and the inner half-races (2a, 2b) The intermediate chamber communicates with the outside through first air passages (5) formed in the outer race (1) and with the inside of the bearing unit through second radial air passages (6) defined between the inner half-races (2a, 2b). An intermediate annular member (10) is axially interposed between the inner half-races (2a, 2b) and defines the second passages (6).

Abstract: A rotating shaft seal assembly for a shaft supported for rotation within a housing includes a traction drive rotating a seal ring about the shaft at a speed different from the shaft. The seal ring supports a plurality of seal elements rotated at the speed different from the shaft. The reduced speed of the sealing elements and reduced pressure at each seal reduces the PV level allowing the use of known sealing materials in applications otherwise not within applicable PV levels.

Abstract: The sealing members (14a, 14b) comprise a film member produced by forming an aluminum or alumina deposition film on at least one side surface of a film-like core material. One side surface outer circumferential rim part of the sealing members is bonded and fixed on the outer end surface of outer rings (9, 9) constituting the rolling bearings (4, 4).

Abstract: A bearing and seal assembly for supporting and sealing end portions of a rotatable paddle shaft in the end walls of a mortar mixer or the like. Each bearing and seal assembly includes a bearing and seal housing removably attached to an end wall of the mixer drum by bolts to facilitate replacement of the bearings and seals as becomes necessary during use. The outside wall of the housing includes a peripheral ring or shoulder for engagement with a conventional bearing puller to facilitate removal of the housing, bearings and seals as a single unit. Preassembled housing, bearing and seal units can then be used as replacements. The bearings and seals are also spaced longitudinally to provide a space for abrasive materials that may migrate past the seals to extend the life expectancy of the bearings by decreasing exposure to contamination.

Abstract: A rolling bearing with shield plate comprises an outer ring having an outer ring raceway and a circumferential anchor groove, the anchor groove provided at an axial end portion separated from the outer ring raceway and having an outside facing side surface, an inner ring having an inner ring raceway, a plurality of rolling members between the outer ring raceway and the inner ring raceway, and a shield plate in a generally circular ring shape provided with an inside facing, radially outer portion and an outer peripheral edge portion which is anchored in the anchor groove of the outer ring, the shield plate having an elastic seal member attached generally circumferentially and radially inner than the outer peripheral edge portion of the shield plate, such that the seal member is elastically held between the shield plate and the anchor groove.

Abstract: A tensioning or deflection pulley for a belt drive includes a carrier and a track roller comprised of an inner ring, an outer ring, and a connecting assembly, including a wheel disk extending between the inner and outer rings, and a rib assembly disposed in both sides of the disk in circumferential spaced-apart relationship, for interconnecting the inner and outer rings. The track roller is supported on the carrier by a sealed rolling-contact bearing via a fastening screw. A first sealing element is connected to the track roller on a carrier-distal side, and a second cap-shaped sealing element is disposed between the carrier and the track roller and detachably secured to the inner ring of the track roller to thereby seal the track roller on both sides.

Abstract: A wheel bearing assembly is provided which has a rotating speed sensor unit which includes a seal for preventing entry of foreign matter and which takes up little space and thus can be mounted on the wheel bearing assembly without increasing the axial dimension of the fixed member of the wheel bearing assembly. The assembly includes a fixed member fixed to a vehicle body, and a rotary member rotatably supported in the stationary member through a bearing and mounted to a vehicle wheel. An annular sensor is fitted to a knuckle, which is a part of the fixed member, on the inboard side of the bearing. A sensor seal is fitted to the annular sensor and has a seal lip kept in slide contact with a seal land formed on a constant-velocity joint outer ring, which is a part of the rotary member, to define a sealed space on the inboard side of the bearing. An encoder is mounted on a bearing inner ring, which is a part of the rotary member, in the sealed space.

Abstract: A bearing arrangement supporting a sealing bellows around a shaft to permit axial and angular motion includes inner and outer bearing sleeves, and a rolling bearing having an inner race ring fitted around the inner sleeve with one end face engaging a shoulder in the inner sleeve. A sealing device is provided in a space between the inner and outer sleeves. A flexible elongated bellows for enclosing a portion of the shaft is sealingly connected at one end to the outer surface of the outer sleeve and is attachable at its opposite end to a fitting of a machine member from which the shaft projects. The outer sleeve is a sheet metal sleeve provided with an inwardly bent flange portion forming an engagement surface for the opposite side face of the rolling bearing. The bellows is fixedly attachable to the outer surface of the outer sleeve by bonding through vulcanization.

Abstract: The present invention relates to an assembly comprising: a cage, rolling elements placed inside the cage, a shaft passing through said cage and supported by the rolling elements, the cage having sealing parts extending on either side of the rolling elements, the two spaces formed between said sealing parts and the shaft, at least one communication path between the two spaces.

Abstract: A bearing unit comprises an outer stationary race (1) with a first inner passage (6) for the air, and two axially adjacent inner half-races (2a, 2b) rotatable with the hub of a wheel. Formed between the inner half-races are essentially radial second inner air passages (7, 71, 72). These passages have surfaces (71d, 72d) inclined forwardly with respect to a direction of rotation (A, B) so as to favor the air flow through the rotating part of the bearing.

Abstract: An improved diesel engine water pump includes three main features that aid in extending the maintenance-free life of the pump. The impeller shaft is carried by tapered roller shaft support bearings of which the impeller bearing has a floating outer race that is urged axially by a preload spring to provide a prescribed axial preload that maintains concentricity of the shaft with the axis and prolongs bearing life. An improved oil seal combines an oil slinger, a stationary deflector and a lip oil seal with a return passage to the engine to more effectively limit oil leakage from the pump. An improved water seal includes pressurized water jets fed from the pump volute that flush wear particles from the water seal surface and increase water seal life. Further details of these features are also disclosed.

Abstract: A two-stage sealing arrangement for sealing an annular gap between an outer bearing ring and an inner bearing ring of a rolling-contact bearing, includes a first sealing element securely fixed to the outer bearing ring and having at least one sealing lip supported against the inner bearing ring. A second sealing element is disposed at an axial distance to the first sealing element, thereby defining a circular ring shaped sealing gap in a radial direction for accommodating, at least partially, a sealing material.

Abstract: A seal structure for an inner-shaft bearing of a front-wheel drive vehicle includes an inner-shaft interconnecting a differential gear to a drive shaft for achieving balance between a left wheel drive shaft and a right wheel drive shaft. An inner-shaft bearing is assembled to the inner shaft and sealed with an inner seal member. A bracket is connected to the vehicle body and fixed to the circumference of the inner-shaft bearing for supporting the inner-shaft. A first dust cover is inserted to the inner-shaft for enclosing one end of the bracket, and a second dust cover is inserted to the drive shaft for enclosing the other end of the bracket.

Abstract: An angular contact ball bearing includes an outer ring having an outer ring race formed on an inner surface thereof, an inner ring having an inner ring race provided on the outer surface thereof, a plurality of rolling elements provided between the outer ring and the inner ring, an annular cage for retaining the rolling elements, and seals provided on openings between the respective ends of the inner and outer rings. The cage is made of a synthetic resin material and is supported through the guide of the rolling elements. The cage includes a plurality of cylindrical pockets arranged peripherally for retaining the rolling elements and a reduced diameter portion formed at ends of the pocket for regulating the radial movement of the cage while being in contact with the rolling element.

Abstract: To supply a pivot assembly for hard disk drive use that can reliably fix a seal member and solve the problem of out gas, thus reducing the expense and time incidental to the pre-load of a ball bearing. Ball bearings have been joined to both ends of a shaft, and on the outer circumference of these ball bearings, the spacer part is joined to a sleeve disposed between both ball bearings, and a seal member that covers the outer end of the ball bearing has been fixed to the outer circumference of the shaft by laser welding. Because the seal member is fixed by laser welding, the seal member can be reliably fixed and the problem of out gas from the seal member can be solved.

Abstract: A bearing arrangement for supporting a sealing bellows around a shaft in a manner permitting axial and angular motion, and incorporating a first, inner bearing sleeve (3), a standard rolling bearing (2) fitted with its inner race ring around said first sleeve (3) and with one end face engaging a shoulder (4) in the inner sleeve (3), and a second, outer bearing sleeve (7), sealing means provided in a space between said first and second bearing sleeves (3, 7), beside the rolling bearing, and a flexible, elongated bellows (12) intended to enclose a portion of a shaft (1) and sealingly connected at one of its ends to the outer envelope surface of the second, outer bearing sleeve (7), and having means (16, 18) for attachment of its opposite end to a fitting (14) of a machine member (15) from which the shaft (1) projects, wherein the second, outer bearing sleeve (7) is a sheet metal sleeve provided with an inwardly bent flange portion (8), forming an engagement surface for the opposite side face of the rolling bear

Abstract: A bearing assembly for a rotatable shaft, the bearing assembly having a bearing carrier housing, the housing having a fixed first end and a removably securable second end, the first and second ends having an aperture therethrough for passage of the rotatable shaft, there being packed within the housing a plurality of bearing elements, each bearing element having an inner race having an inner bearing surface dimensioned to the circumference of the rotatable shaft, and an outer race concentric with the inner race and separated therefrom by a plurality of rotatable bearing means positioned between said the race and the outer race, the inner race and the rotatable bearing means freely rotatable in relationship to the outer race and rotatable shaft.

Abstract: An anti-wrap guard system for shielding an exposed bearing assembly of an agricultural apparatus from any material borne by a rotatable shaft that in the course of operating the apparatus may naturally come in contact with the exposed bearing including a guard being disposable between a working section of the rotatable shaft and the bearing assembly supporting the shaft, the guard substantially blocking the material from the bearing. A windrow merger and a method of guarding are further included.

Abstract: A rolling bearing 1 comprises a inner ring 2 (as a movable member), an outer ring 3 (as supporter) for supporting the inner ring 2, and a plurality of rolling elements 4 disposed between the inner ring 2 and the outer ring 3. The rolling element are rotated in accordance with the rotation of the inner ring 2. The rolling bearing is to be located in the vicinity of a heat source. The outer ring 3 located nearer to the heat source than the inner ring 2 is composed with a material of a heat conductivity being 40 W/m·K or less.

Abstract: When an inner race 12 rotates at a speed lower than a predetermined speed, a sealing body 27 contacts the sealing face part 21c, but when the inner race 12 rotates at a speed more than the predetermined speed, a contacting pressure to a sealing face part 21c is reduced or the sealing body 27 is isolated so as to form a non-contacting seal, and therefore, for example, at the low speed, the sealing body 27 forms a contacting seal, thereby to compensate a low speed-low sealing ability of the non-contacting seal such as the labyrinth seal, and on the other hand, at high speed rotation, the sealing body 27 reduces the contacting pressure to the sealing face part 21c, otherwise separates therefrom to form the non-contacting seal as the labyrinth seal, whereby it is possible to solve the problem of heating or abrasion at the contacting part.

Abstract: A wheel bearing unit for a motor vehicle has a wheel bearing arranged in a pivot bearing and including a received propeller shaft which, by way of a joint bell, is situated opposite a receiving element of the pivot bearing. Directly opposite areas of the pivot bearing receiving element and the joint bell have reductions in their thicknesses, and a ring gap formed between the receiving element and the joint bell can be bridged by a sealing ring which can be pressed upon the propeller shaft.

Abstract: A two-stage sealing arrangement for sealing an annular gap between an outer bearing ring and an inner bearing ring of a rolling-contact bearing, includes a first sealing element securely fixed to the outer bearing ring and having at least one sealing lip supported against the inner bearing ring. A second sealing element is disposed at an axial distance to the first sealing element, thereby defining a circular ring shaped sealing gap in a radial direction for accommodating, at least partially, a sealing material.

Abstract: A stud-type roller bearing with tracking roller, in which a thrust washer together with a sealing member fits effectively in a space limited to get the bearing in itself shrunk in size. With the stud-type roller bearing with tracking roller disclosed here, an outer ring is made at axially opposite ends thereof with circular setbacks, one to each end, which are larger in their inside diameters than a circular raceway surface. Any one of the setbacks is arranged in opposition to the flange of the shaft while the other is placed in opposition relation to a cover plate that fits on the shaft at a location adjacent to the raceway surface around the shaft. Circular recesses are cut in the setbacks to hold a laminate of the thrust washer and the elastic sealing member together with the thrust washer therein.

Abstract: A steering knuckle is supported on a road wheel of an automotive vehicle by a hub assembly which includes a housing fitted into a bore in the knuckle and hub having a flange to which the road wheel is attached and also a spindle which projects from the flange into the housing. The bearing has cones which fit over the spindle between a shoulder on the hub flange and an integrally formed abutment on the other end of the spindle. The ends of the bearing contain seals which exclude contaminants from the interior of the bearing. A slinger is fitted to the spindle and may be captured between the cone at the inboard end of the bearing and the abutment. The slinger extends outwardly past the spindle abutment and seal at the inboard end of the bearing and has a circular peripheral edge which lies close to the surface of the bore in the steering knuckle, thus providing an additional barrier to exclude contaminants from the bearing.

Abstract: A spherical roller bearing having a sealing arrangement and a closure arrangement to prevent the loss of lubricants from the bearing and to prevent the entrance of contaminants into the bearing.