Abstract: A wheel bearing apparatus for a driving wheel is formed as a unit of a wheel hub, a double row rolling bearing and a constant velocity universal joint. The double row rolling bearing has an outer member with a body mounting flange mounted on a knuckle and double row outer raceway surfaces. An inner member includes the wheel hub and an outer joint member of the constant velocity universal joint. The wheel hub has an inner raceway surface corresponding to one of the double row outer raceway surfaces. The outer joint member has another inner raceway surface corresponding to the other of the double row outer raceway surfaces. Double row rolling elements are rollably arranged between the outer and inner raceway surfaces. Seals are mounted in an annular space opening formed between the outer member and the inner member. A sensor is fit into a mounting aperture formed in the knuckle. A pulser ring is mounted on the outer circumferential surface of the outer joint member.

Abstract: The invention relates to a radial bearing having a cassette seal, and to the cassette seal itself, in which the radial bearing has an inner ring, an outer ring, and rolling bodies which are arranged between them, and in which the cassette seal is arranged in a press fit axially next to the rolling bodies between the inner ring and the outer ring, wherein the cassette seal has a carrier, a seal which is fastened to it and a bent sheet-metal ring, against which sealing lips of the seal bear. For the inexpensive manufacture and the effective sealing of a radial bearing of this type, there is provision according to the invention for an additional means to the static seal to be arranged between the bent sheet-metal ring and the bearing ring.

Abstract: A sealing apparatus capable of increasing a grease resistance property, wherein the tip of a sealing lip is formed so that an inner side contact angle ? is equal to an open-air side contact angle ? (?=?), that is, formed in a triangular shape to prevent grease inside the apparatus from leaking so as to increase the grease resistance property, and since the extending direction of the sealing lip is set at a middle of an inner side and an open-air side, a trouble such as the inversion of the sealing lip due to the occurrence of an inner pressure does not occur.

Abstract: In a sealing device (1) attached to a housing (11) and slidably brought into close contact with a mating member (12), the sealing device (1) having a mounting ring (2) fixed to the housing (11) in accordance with metal fitting and a rubber-like elastic body (3), and having a side lip (3c) slidably brought into close contact with an end face portion (12a) of the mating member (12) and provided in the rubber-like elastic body (3), there is provided the sealing device (1) which can inhibit a metal fitting portion from being deteriorated due to a rust generation and inhibit the side lip (3c) from slidably wearing. For this purpose, a flange portion (2c) is provided in the mounting ring (2) toward an outer side in a diametrical direction, and an end face portion (11a) is covered by attaching an end face seal portion (3f) constituted by a rubber-like elastic body brought into close contact with the end face portion (11a) of the housing (11) to the flange portion (2c).

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: To provide a wheel support bearing assembly in which the frictional resistance can be effectively reduced while effects of minimizing leakage of the filled lubricant and ingress of dust and muddy water from outside of the bearing assembly are secured, the wheel support bearing assembly includes an outer member 1, an inner member 2 positioned inside the outer member 1 with an annular working space defined between it and the outer member 1, and rows of rolling elements 3 accommodated within the annular working space and rollingly received in part within outer raceways 4 in the outer member 1 and in part within inner raceways 5 in the inner member 2. Opposite open ends of the annular working space are sealed by respective sealing members 7 and 8 which are secured to one of the outer and inner members 1 and 2.

Abstract: According to the present disclosure, a sealing assembly may include a first member, a second member, and a circumferentially extending seal. The first member may include an angularly disposed running surface. The second member may be rotatable relative to the first member about an axis of rotation. The circumferentially extending seal may be coupled to the second member. The seal may include a lip having a first end fixed to the second member and a second end being generally free. The first end may form a hinge generally providing for radially outward movement of the second end relative to the axis of rotation upon rotation of said second member. The second end may be biased against the running surface.

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: 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: An antifriction bearing for pivoting support of a journal includes a bush, roll bodies which roll in the bush, a gasket, and a disk spring which the roll bodies axially contact and which is axially supported on the gasket. The axial distance between the disk spring and the roll bodies decreases radially to the outside at least in areas.

Abstract: To provide a wheel support bearing assembly in which the frictional resistance can be effectively reduced while effects of minimizing leakage of the filled lubricant and ingress of dust and muddy water from outside of the bearing assembly are secured, the wheel support bearing assembly includes an outer member 1, an inner member 2 positioned inside the outer member 1 with an annular working space defined between it and the outer member 1, and rows of rolling elements 3 accommodated within the annular working space and rollingly received in part within outer raceways 4 in the outer member 1 and in part within inner raceways 5 in the inner member 2. Opposite open ends of the annular working space are sealed by respective sealing members 7 and 8 which are secured to one of the outer and inner members 1 and 2.

Abstract: In a wheel supporting rolling bearing unit, both end openings of a space in which balls 14, 14 are provided are sealed with seal rings 16c, 16d each having two to three seal lips. A rolling resistance that changes based on a preload is regulated in a range of 0.15 to 0.45 N·m, and a total running resistance of both seal rings 16c, 16d based on a friction between the seal lips and counter surfaces is regulated in a range of 0.06 to 0.4 N·m.

Abstract: An endless belt (11) to be provided on a driven pulley (4b) and a pulley rotation support apparatus for supporting the driven pulley (4b). In the pulley rotation support apparatus, there is used a three-point-contact-type or four-point-contact-type radial ball bearing (14b). An offset quantity ?, which is an axial-direction distance between the center ? of a radial load applied from the endless belt (11) to the driven pulley (4b) and the center position ? of the radial ball bearing (14b), is set 40% or less of the pitch circle diameter of the radial ball bearing (14b). The radial clearance of this radial ball bearing (14b) is set 0.2% or less of the above pitch circle diameter.

Abstract: A contaminant-resistant bearing assembly includes a multi-lip seal with an extended shroud supported from the outer ring and projecting adjacent a stepped inner ring shoulder. A steel slinger supported from the inner ring is offset outwardly adjacent the shroud and includes a radially outer edge terminating closely adjacent the connection of the seal shroud to the outer ring. The slinger includes an outer portion angled inwardly from the radial direction and supporting a lip seal which contacts an angled portion of the seal shroud at a central location between the rings. A primary step machined on the inner ring prevents the slinger from being pushed into the seal.

Abstract: The invention relates to a gasket unit (1) for a journal bearing (2), sealing an annular gap (6) between the bearing bushing (3) and the journal (4). The gasket unit (1) comprises a main seal (8) provided with a front seal (9) arranged in front if it, and a spring washer (10) is inserted between the rollers (5) and the primary seal (8).

Abstract: A roller bearing for the rotational guidance of a motor vehicle wheel, the bearing comprising a rotating inner member, a fixed outer member and rolling bodies allowing their relative rotation about an axis. The inner member includes a bore on the periphery of which flutes are provided so as to allow the rotational coupling of a fluted shaft with the internal member. The bearing has a path forming an air passage having an outer channel and an inner channel designed to pass right through respectively each of the members, in which, in combination, the path has a groove formed by the omission of at least the front part of at least one flute, from an intermediate zone of the bore as far as its front face. The downstream end of the inner channel opens out in the groove.

Abstract: A sealing device for a rolling bearing device includes a metal core which includes a cylindrical portion fitted on an outer circumferential surface of an end portion of an outer ring, a circular ring portion extending radially inwards from the cylindrical portion while being in abutment with an end face of the end portion of the outer ring and an inward edge portion extending further radially inwards from a radially inward end portion of the circular ring portion so as to protrude towards an inner circumferential side of the outer ring and on which seal lips are mounted. A shielding portion made of an elastic material is mounted at a radially outward end portion of the circular ring portion in such a manner as to extend towards a flange portion so as to shield a clearance defined between the flange portion and the end portion of the outer ring.

Abstract: The present invention comprises a pulley, a shaft body which is rotatable relative to the pulley and is concentrically disposed radially inside of the pulley, a one-way clutch which is interposed at an annular space between the pulley and the shaft body, a rolling bearing which is disposed in the annular space adjacent to the one-way clutch in an axial direction, an inner annular seal which is provided outside the rolling bearing in the annular space, and an outer annular seal which is provided outside the inner annular seal and has a proximal end portion and a distal end side lip. The proximal end portion of the outer annular seal is fixed to one of an inner peripheral surface of the pulley and an outer peripheral surface of the shaft body, and the distal end side lip of the outer annular seal contacts the other peripheral surface.

Abstract: A seal assembly provides a rotating portion and a rotationally fixed portion. The rotating portion includes a running sleeve, a slinger segment and an upper seal segment. The slinger segment radially extends outward of the fixed portion so as to protect the fixed portion. The fixed portion includes a press fit outer diameter which is pressed into an opening located within the assembly. A seal mount segment located receives a resilient annular seal which rides upon the running sleeve and the upper seal segment.

Abstract: A wheel support bearing assembly includes inner and outer members (1 and 2) and at least one row of rolling elements (3) operatively interposed between the inner and outer members (1 and 2) and an annular sealing device (5) sealing an open end of an annular space defined between the inner and outer members (1 and 2). The sealing device (5) includes first and second annular sealing plates (11 and 12) fitted to different members out of the inner and outer members (1 and 2). Each of the first and second sealing plates (11 and 12) includes a generally cylindrical wall (11a or 12a) and a radial wall (11b or 12b) assembled together to represent a generally L-shaped section. The first sealing plate (11) is fitted to one of the inner and outer members (1 and 2) that serves as a rotating member. An elastic member (14) mixed with a powdered magnetic material is bonded by vulcanization to the radial wall (11b) of the first sealing plate (11).

Abstract: A sealing unit for a wheel bearing, including a cover cap of sheet metal on a rotationally fixed bearing ring. An elastic seal on the cover cap. A baffle plate which protrudes in a radial direction, displaced on a bearing ring which can rotate with respect to the rotationally fixed bearing ring. The cover cap has a rotationally symmetrical hollow shoulder which extends axially in the direction of roller bodies of the bearing. The seal is fixed with respect to the shoulder of the cover cap and at the same time the seal bears with at least one sealing lip, at least once in a radially sealing fashion against a hollow cylindrical section which is fixed with respect to the rotatable bearing ring and protrudes axially from the baffle plate in the direction of the bearing roller bodies.

Abstract: Sealing device for a rolling contact bearing (2) provide with a first shield (5) and second shield (7) which a re made of metal material and which are respectively coupled to an outer race (4) and an inner race (3) of the rolling contact bearing (2) itself, and a seal (10) which is made of synthetic material and which is integral to the first shield (5) and which presents a sealing lip (11) which is arranged substantially in contact with the second shield (7); the first shield (5) is defined by a cylindrical portion (15) which is assembled on the outer race (4), and the seal (10) is anchored to the cylindrical portion (15) in order to freely extend from and overhand the cylindrical portion (15) itself and presents, in axial section, a tapering shape towards a cylindrical sliding surface (13) of the second shield (7).

Abstract: A maintenance free repetitive sealing system for a disk blade bearing hub utilizing an integrated system of components to seal and protect the primary bearing seal. The blade side of the spindle includes a hub overlap portion which deflects dirt, keeps large debris out, and prevents wrapping. A plastic seal protector keeps dirt and debris from pushing directly into external seal lips of a multiple lip seal. The lip seal provides positive sealing and is backed up by a grease layer barrier. The hub overlap, plastic seal protector, and grease barrier protect the bearing seal. The back side of the bearing hub is positively sealed with a protected O-ring and dust cap combination. The cap combination also protects the blade mounting hardware threads and nut.

Abstract: A combination seal ring with an encoder for use to close off the opening of the space between a fixed ring and a rotational ring and to detect a rotational speed of the rotational ring, comprising a seal ring secured to the fixed ring, a metal slinger secured to the rotational ring, and an encoder of a rubber magnet secured to the slinger, the seal ring comprising a metal core secured to the fixed ring, and a fixed ring portion bent toward the rotational ring from the fixed cylindrical portion; and a resilient member bonded all around the metal core, the slinger comprising a rotational cylindrical portion secured to the rotational ring, and a rotational ring portion bent toward the fixed ring from the rotational cylindrical portion, the encoder bonded on the rotational circular ring portion, opposite to the seal lips by a molding process, the end rim of the encoder being short at least 0.2 mm of the end rim of the rotational circular ring portion.

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: It is intended that the rotation resistance is decreased while the durability and seal performance are kept in the rolling bearing unit with seal ring. The most thin wall-thickness portion 30 is provided in the vicinity of the base end of the seal lip 22a projecting laterally in sliding contact with the mating surface. The most thick wall thickness portion 31 is provided adjacent to the most thin wall thickness portion 30 on the tip end side. The thickness is gradually decreased from the most thick wall thickness portion 31 to the tip end. Further, the ratios of thickness in the respective portions 22a are properly controlled.

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 seal assembly includes a protective shield, a seal and a seal wiper. A garter spring is located about the outer perimeter of the seal to provide a constricting force around the seal to assure that the lips contact the seal wiper even after deformation and wear of the seal assembly. Another seal assembly includes an integrally shielded seal manufactured of a non-metallic material.

Abstract: The device (B) comprises a first non-rotatable ring (11) to be mounted adjacent to a non-rotatable race (1) of a bearing unit (A), and a second rotatable ring (12) to be coupled fast for rotation with a rotatable race (2,3) of the bearing unit (A). A first air passage (13, 113) is formed through the first non-rotatable ring (11) and a second air passage (14) is formed through the second rotatable ring (12). A sealing device (15, 16) interposed between the first (11) and the second (12) ring, defines an intermediate chamber (17) communicating with the first (13, 113) and the second (14) air passages.

Abstract: The present invention discloses an apparatus for sealing a water pump bearing in which the bearing comprises a plurality of rolling elements arranged between an inner race and an outer race, a retainer for maintaining a prescribed space between each rolling element, and a seal coupled to a tip end of an opening in the space formed between the inner race and the outer race. The seal comprises a first seal equipped with a first reinforcing frame that is inserted into an inner axial section of bearing, and a second seal equipped with a second reinforcing frame that is inserted into an outer axial section of the bearing for coupling with the first seal.

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 dual seal assembly for a bearing, the assembly comprising a first seal frame (12) coupled to a tip end of an opening in a space formed between an inner ring and an outer ring of the bearing and press-fitted to the outer ring; a second seal frame (14) press-fitted to the inner ring and a main seal member (16); a third seal frame (18) interposed between the first seal frame and the second frame, and press-fitted to one of the first and second seal frames; and an auxiliary seal member (20) inserted into the third seal frame to seal a gap formed between the first and second seal frames, such that the capacity of the bearing can be increased, the bearing can be compactly designed, an operational torque can be reduced, and the sealing performance can be improved making it easy for a user to easily handle the seal assembly before the seal assembly is mounted onto the bearing and to an apparatus.

Abstract: A bearing assembly having a bearing inner ring with an inner raceway and a bearing outer ring with an outer raceway and a plurality of rolling elements positioned therebetween, and a seal cartridge including a seal carrier fixed with respect to the outer ring, a flinger element fixed with respect to the inner ring, and a flexible sealing member affixed to the seal carrier, wherein the flexible sealing member includes a first sealing leg in sliding contact with an inner surface of a first flange of the flinger element, a second sealing leg in sliding contact with the inner surface of the first flange of the flinger element, and a third sealing leg in sliding contact with the inwardly tapered inner surface of a second radially inwardly flange of the flinger element.

Abstract: A water pump bearing with a seal structure on an impeller side including a ring-shaped first seal unit having its outer circumferential portion fixed to an inner circumferential portion of an outer ring and its inner circumferential portion in sliding-contact with an outer circumferential surface of a pump shaft, and a ring-shaped second seal unit disposed axially outward from the first seal unit with its inner circumferential portion fixed to an outer circumferential portion of the pump shaft and its outer circumferential portion in sliding-contact with the outer ring.

Abstract: A seal end plate is configured and dimensioned to surround the neck of a horizontal roll in a rolling mill and comprises a circular body having a shoulder projecting axially from its outboard side. At least one well is provided on the shoulder, and a drainage passageway leads from the well to the outboard side of the body. The drainage passageway is located in a one angularly spaced from horizontal and vertical reference planes bisecting the seal end plate.

Abstract: The invention concerns an instrumented antifriction bearing device provided with a non-rotating part comprising a non-rotating ring (2) and sensing means (11), a rotating part comprising a rotating ring (4) and coding means (16), and at least a row of rolling elements (6) arranged between the two raceways (3, 5) of the non-rotating (2) and the rotating (4) rings, the sensing means (11) being fixed in a groove (10) of said non-rotating ring (2) arranged proximate to a radial lateral surface (2a) of the non-rotating ring (2). The non-rotating part further comprises sealing means (21) arranged axially between the sensing means (11) and the rolling elements (6) substantially at the groove (10), the sealing means (21) being separate from the sensing means (11).

Abstract: A rolling bearing with seal plate for transmission comprising: an inner race that has an inner ring raceway around its outer peripheral surface in the middle in the axial direction; an outer race that has an outer ring raceway around its inner peripheral surface in the middle in the axial direction; a plurality of rolling bodies that are located between the inner ring raceway and the outer ring raceway such that they rotate freely; and a seal plate that is made of synthetic resin and has one of the peripheral edges attached to part of one of the inner race and outer race, and the other of the peripheral edges made to come in sliding contact with a cylindrical surface of the other of the inner race and outer race therearound in parallel to the central axis thereof.

Abstract: Static sealing element (1) for a rolling bearing (2) which is mounted on a cylindrical element (3) which presents a blocking moulding (4) which is positioned against an inner race (5) of the rolling bearing (2) itself and which is suitable for being arranged in contact with a shoulder (6) the sealing element (1) presenting a support (8) which is associated with the inner race (5) of the rolling bearing (2), and a sealing lip (9), which forms an integral part of the support (8) and which presents, in turn, a substantially conical end portion (17), which axially projects in relation to the blocking moulding (4) and which radially forks opposite the blocking moulding (4) itself.

Abstract: A bearing assembly having a bearing inner ring with an inner raceway and a bearing outer ring with an outer raceway and a plurality of rolling elements positioned therebetween, and a seal cartridge including a seal carrier fixed with respect to the outer ring, a flinger element fixed with respect to the inner ring, and a flexible sealing member affixed to the seal carrier, wherein the flexible sealing member includes a first sealing leg in sliding contact with an inner surface of a first flange of the flinger element, a second sealing leg in sliding contact with the inner surface of the first flange of the flinger element, and a third sealing leg in sliding contact with the inwardly tapered inner surface of a second radially inwardly flange of the flinger element.

Abstract: A structure of a water pump is provided without increasing the cost thereof, or without enlarging the size to improve the durability of the water pump. A seal apparatus having a seal ring 13 and a slinger 14 in combination to prevent foreign matter from progressing into the rolling bearing 6a. The amount of compression &dgr; of the second seal lip 23, which occurs when the tip edge of the second seal lip 23 of the seal ring 13 comes in contact with the outer peripheral surface of the outer-diameter-side cylindrical section 26 that is formed at the outer peripheral edge of the slinger 14, is at least {fraction (1/10)} and up to {fraction (7/10)} the height of the second seal lip 23 in the free state. In addition, the roughness of a portion of the outer peripheral surface of the outer-diameter-side cylindrical section 26 which the tip edge of the second seal lip 23 comes in sliding contact with is from 0.2 &mgr;m to 2.0 &mgr;m in the arithmetic mean Ra, or is from 0.8 &mgr;m to 8.

Abstract: A sealed bearing assembly for supporting a rotating shaft and, in particular, a crankshaft of a two-stroke engine includes an inner race, an outer race and a plurality of roller elements disposed between the inner and outer races. A grease seal is disposed between the inner and outer races and spaced axially outward from the roller elements along an axis of the bearing assembly. The grease seal includes a rigid support structure and a flexible sealing member attached to the rigid support structure. The flexible sealing member includes at least one sealing lip, which contacts a surface of the inner race to provide a sealing engagement between the grease seal and the inner race, thereby retaining lubrication in an interior of the bearing from escaping at least to an interior of a crankcase of the engine and sealing at least the interior of the bearing against crankcase pressure variations in the engine.

Abstract: The present invention discloses an apparatus for sealing a water pump bearing in which the bearing comprises a plurality of rolling elements arranged between an inner race and an outer race, a retainer for maintaining a prescribed space between each rolling element, and a seal coupled to a tip end of an opening in the space formed between the inner race and the outer race. The seal comprises a first seal equipped with a first reinforcing frame that is inserted into an inner axial section of bearing, and a second seal equipped with a second reinforcing frame that is inserted into an outer axial section of the bearing for coupling with the first seal.

Abstract: Sealing device (1) for a rolling bearing (2) which is provided with an inner race (5), which is axially blocked by a blocking element (4) which is suitable for being arranged in direct contact with a feedback element (6); the sealing device presents a support element (9) which is mounted on the inner race (5), an encoder wheel (8) which is installed on the inner race (5) and which is an integral part of the support element (9) itself, and a static sealing element (10), which is also an integral part of the support element (9) and which, in turn, presents two lips (21, 22) which are substantially parallel in relation to each other and which extend opposite the support element (9), a first lip (21) of the two lips (21, 22) extends towards the feedback element (6) and comes into contact with it, and a second lip (22) of the two lips (21, 22) extends towards a frontal surface of the inner race (5) and comes into contact with it.

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 sealing device for a bearing includes first and second annular sealing plates (1, 2) accommodated within an annular end space between inner and outer races (11, 12). Each of the first and second sealing plates (1, 2) is of a generally L-shaped section including a cylindrical (16, 26) wall and a radial upright wall (1a, 2a), and an elastic seal lip element (38). The first sealing plate (1) is secured with the radial upright wall (1a) thereof positioned adjacent respective end faces of the inner and outer races (11, 12), and the radial upright wall (1a) of the first sealing plate (1) has a free end remote from the cylindrical wall (1b) of the first sealing plate (1) spaced a predetermined distance from the cylindrical wall (2b) of the second sealing plate (2) to thereby form a radial gap (4). The radial upright wall (1a) of the first sealing plate (1) also has an outer side face (B) set back inwardly from a free end face (A) of the cylindrical wall (2b) of the second sealing plate (2).

Abstract: A radial ball bearing 14 of the three point contact type or four point contact type is used for the rolling bearing for a compressor pulley. The offset amount &dgr;, that is the axial distance between the center &agr; of the radial load applied to the follower pulley 4 from the endless belt 11, and the center &bgr; of the radial ball bearing 14 is 40% or less of the diameter of the pitch circle. In addition, the radial clearance of the radial ball bearing 14 is 0.2% or less of the diameter of the pitch circle. With this construction, the durability of the rolling bearing to support the follower pulley 4 is secured while made compact.

Abstract: A wheel bearing includes a sealing device 5 positioned between inner and outer members 1 and 2. This sealing device 5 includes an elastic member 14, which eventually forms an encoder grid and is provided on a first annular sealing plate 11. A second annular sealing plate 12 is provided with sealing lips 16a to 16c. An engagement 18 between a cylindrical wall 11a of the first annular sealing plate 11 and the inner member 1 is provided with an elastic member 20 made of a material dissimilar to that for the elastic material 14. This elastic member 20 may be a rubber coated layer, resin paint layer, a thin film of adhesive material or a ring-shaped rubber member. Thereby, any possible ingress of water across an engagement surface of the annular sealing plate is prevented, accompanied by increase of the lifetime of the bearing, with no problem associated with separation and displacement of the annular sealing plates. The magnetic flux density can also be easily secured.

Abstract: The invention pertains to a rolling element bearing for a product conveyor and/or product processing element of a harvesting machine, with the bearing including a rolling element chamber and an antechamber, that protects the rolling elements from the penetration of plant juices. A first lubricant feed is provided for supplying lubricant to the rolling elements and a separate second lubricant feed is provided for supplying lubricant to the antechamber.

Abstract: A water pump bearing with a seal structure on an impeller side including a ring-shaped first seal unit having its outer circumferential portion fixed to an inner circumferential portion of an outer ring and its inner circumferential portion in sliding-contact with an outer circumferential surface of a pump shaft, and a ring-shaped second seal unit disposed axially outward from the first seal unit with its inner circumferential portion fixed to an outer circumferential portion of the pump shaft and its outer circumferential portion in sliding-contact with the outer ring.