Abstract: A resilient seal member, fixed to one of an inner bearing ring and an outer bearing ring, engages a contact member fixed to the other bearing ring to close an annulus between the bearing rings. The resilient seal member has at least one resilient lip forming an interference fit with a contact surface of the contact member. The contact surface is configured such that misalignment of the inner bearing ring with respect to the outer bearing ring does not significantly change the amount of interference between the resilient lip and the contact surface. The contact surface may be substantially spherical or conical.

Abstract: A guide bushing having an integrated seal for the clutch-release bearing of a gear unit, comprising a connecting sleeve [pipe socket] circumferentially surrounding an input shaft of the gear unit with radial clearance and a mounting flange affixed to the connecting sleeve, whereby, on the side facing the outer wall of the gear unit, the connecting sleeve has an essentially Z-shaped cross-section, whereby the Z-shaped cross-section is comprised of a first axial side piece situated radially to the inside and of a second axial side piece situated radially to the outside, and whereby the first and the second axial side piece are joined by a radial side piece.

Abstract: A sealed four-row tapered roller bearing, useable for working rolls of roll stands, is provided with axial multipart inner and outer races and tapered rollers arranged between the bearing races, sealing of the seat of the outer race parts in the housing being preferably effected by O-rings which are arranged in annular grooves of the outer race parts. The bearing chamber is sealed axially outward by sealing rings which are fastened in annular grooves in the bore of the outer race parts and rest with sealing lips on surfaces of the inner race, the separating line between the front faces of the inner races being sealed off by a sealing ring which rests on the inner races.

Abstract: A wheel bearing (42) located between the wheel hub 14 and axle spindle (10) is supplied with lubricant located in an annular cavity between the hub and spindle. A lubricant seal (52) is fitted with slight interference between the hub and seal and defines a sealing lip (72), which is urged by a garter spring (70) into contact with an inner sleeve (76) of the seal. A slinger (58) is supported by tabs (88) on a surface of the bearing and provides a radial planar ring surface (86) located between the bearing race and seal. On assembly, the slinger provides a stop surface that limits axial movement of the inner sleeve of the seal toward the bearing.

Abstract: A trolley roller assembly for use with a conveyor system and including a roller for rolling engagement with a track of the conveyor system and having a central bore, a trolley hanger, a pin member having a shaft portion passing through an aperture in the hanger and positioned in the roller bore, and a bearing interposed between the pin shaft portion and the roller. The pin member further includes an enlarged head portion positioned in the roller bore and forming an annular shoulder with the pin member shaft portion and the bearing comprises an outer race, a plurality of balls relatively mounted in the outer race, and an inner race formed in part by the pin member head portion and in part by a collar surrounding the pin member shaft portion and positioned against the annular shoulder of the pin member. The inner race is formed in part by an arcuate annular groove in the pin member head portion and in part by a complementary annular arcuate groove in the collar.

Abstract: A unitized radial lip seal assembly includes an outer annular case and an inner annular wear sleeve loosely interlocked by flanges or walls formed at the axial ends of the wear sleeve. After initial installation of the unitized assembly within a housing, the wear sleeve can be axially shifted a slight distance to provide a slight axial separation of the wear sleeve from the annular case. Two separate lip seal elements are mounted to the outer annular case and protected from damage during shipping and installation by abutting surfaces of the case and wear sleeve.

Abstract: A seal assembly for sealing an annular space between a housing having a cylindrical bore therein and a shaft member extending into and mounted for coaxial rotation relative to the bore, includes a resilient sealing body having an annular lubrication sealing lip and a dust seal including first inwardly directed resilient dust sealing lip having an inside diameter less than the diameter of the shaft member for contacting the shaft member and forming a primary dust seal therewith and a second inwardly extending annular dust seal lip between the first dust seal lip and the second dust seal lip having an inside diameter slightly greater than the diameter of said shaft member to form a non-contacting type seal with the other surface of the shaft member.

Abstract: A stacked seal is built up from an integral unit that consists of annular rings molded together in a coplanar, non overlapping series by plurality of alternately facing live hinges. The hinges are wide enough to establish a straight folding axis between adjacent pairs of rings so that they can be serially folded, one concentrically on the other, and the proper length to assure that the rings fold flat. Integral latch means self retain the rings in a stack so as to be easily installed.

Abstract: A seal device for wheel hub bearings consists of a centrifugation device (1) equipped with a seal (3) and a screen or shield (2) mounted onto the outer fixed race (11). The centrifugation device (1) is fixed to the inner rotating race (10) of the bearing. The seal (3) is provided with lips (7,8) which slide respectively against the outer race (11) of the bearing and against the shield (2) mounted on this race. The centrifugation device (1) and the shield (2) are shaped and positioned between the two races so as to form a first chamber (21) open towards the outside of the bearing, a second closed intermediate chamber (22) and a third chamber (23) open towards the inner parts of the bearing.

Abstract: A bearing seal assembly has a flexible radial and axial seal lip, each of which is paired with a stiff locating register. The body of the seal is molded to a metal casing indirectly, by a hinge that is flexible, but still stiffer than the seal lips. The seal casing is installed to one of the bearing races, and another seal casing is installed to the other bearing race to provide sealing surfaces that engaged by the sealing lips and abutted by the locating registers. The hinge assures that the more flexible seal lips are deflected into the sealing surfaces, but the stiffer registers flex the hinge to assure that the lips are not deflected more than desired when the seal casings are closer together.

Abstract: A sealed mounting consisting of a bearing with an inner ring, and axle or shaft with a lateral surface corresponding essentially to the outside diameter of the inner ring, a seating surface stepped down from that lateral surface to correspond to the bore of the inner ring, and a seal located between the inner ring and the outer ring. The seal has an essentially cylindrical seating section of elastic material in the bore. This section is seated partially on the inner ring and partially on the lateral surface of the axle or shaft, and is provided with at least one sealing projection, which cooperates with the outer ring of the bearing or the like.

Abstract: A resilient seal for a rolling bearing having an outer peripheral edge secured in a circumferential groove of an outer race and an inner peripheral end directed toward the outer periphery of a groove of an inner race. The seal is reinforced by a circular reinforcing core and includes a center lip and an inner lip both at the inner peripheral end thereof. The center lip extends radially inwardly from a thick rigid portion of the seal formed adjacent to the inner end of the circular reinforcing core to always contact the side outer wall of the groove of the inner race irrespective of the axial relative movement between the inner and outer races. The inner lip is thin and extends toward and below the top of the side inner wall of the groove of the inner race to form a labyrinth clearance therebetween. When the outer race is rotated at high speed, the inner lip is moved to decrease the labyrinth clearance by a centrifugal force in proportion to the rotational speed of the outer race.

Abstract: A seal for a roll neck bearing has a two interlocked components - a rotating component fitted to the inner race of the bearing and a stationary component fitted to the outer race. The rotating component includes a shield which fits around the end of the inner race, and, while it establishes a static barrier along the inner race, it can float or be displaced axially on the inner race. The stationary component has a seal case which fits snugly in a bore that opens out of the end of the outer race, it being trapped in that bore by a chock into which the bearing fits. Both the shield and case have axial walls and radial walls, and at the ends of their radial walls carry elastomeric seal elements. The seal element of the shield contacts the axial wall of the seal case, whereas the seal element of the seal case contacts the axial wall of the shield and further establishes a labyrinth along the shield.

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: A ball bearing having a cage which on its opposite axial ends has respective radially inward, obliquely axially outwardly and radially inwardly directed projections and has respective radially outward, obliquely axially outwardly and radially outwardly directed projections. Each projection extends into a cooperatingly placed and shaped annular groove defined in the raceway of the respective inner and outer rings. Each projection and the sealing lip at its end has a lateral surface which is parallel to one of the lateral walls of the groove and is spaced therefrom. The sealing lip has a second, adjacent lateral surface which is parallel to a second adjacent wall of the groove and is spaced therefrom, providing a lengthened sealing slot. The end of the sealing lip rests against a third lateral wall of the groove which extends at least approximately parallel to the bearing axis.

Abstract: A seal for closing the radial space between two coaxial, radially spaced, relatively rotatable parts. Each of an axially inner and an axially outer sealing ring comprises an approximately L-shaped metal part having sealing lips of elastic plastic material arranged on it. The axially outer sealing ring seated on the radially inward part has a first sealing lip which faces either the interior of the radially outward part or the axial leg of the axially inner sealing ring. To prevent contamination of that first sealing lip, the outer sealing ring has an obliquely outwardly directed fling lip which is radially inward of the first sealing lip and extends approximately into the region of a plane determined either by the axially outer front surface of the axially outwardly extending leg of the inner sealing ring or of the radially outward part. The first sealing lip may also have an obliquely outwardly directed extension located radially inwardly of and extending axially outward of the first sealing lip.

Abstract: A seal for bearings such as a bearing bushing of a universal joint having inner and outer members with confronting spaced raceways. The seal includes at least one circumferentially extending sealing lip which engages a surface of one of the members outboard of the raceway and includes stiffening or rigidifying ribs which prevents inversion of the seal upon assembling.

Abstract: A seal is particularly suited for closing the ends of an antifriction bearing which is located on a journal where its inner races are captured between wear rings and backing elements having overhangs which are directed back toward the end of the bearings and, as such, encircle the wear rings. Indeed, a seal exists at each end of the bearing for isolating the annular space between the inner and outer races of the bearing. Each seal includes a case that is fitted into the end of the outer race and projects axially from that race as well as radially inwardly toward the wear ring. In addition, it has two elastomeric lips which are presented toward the wear ring, one being configured primarily to retain lubricant in the annular space between the two races of the bearing and the other to exclude contaminants from that space. The seal also has an elastomeric spray shield which is attached to the case and projects radially outwardly from it toward the overhang.

Abstract: A unitized oil seal having an annular inner seal case (12) having a J-shaped cross section formed by an inner wall (24) and a first axial flange (28) interconnected by a first radial flange (26). The oil seal also has an annular outer seal case (14) having a J-shaped cross-section formed by an outer wall (40) which is connected to a second axial flange (44) by a second radial flange (42). A primary seal element (16) is secured to the second axial flange (44) and extends to the outwardly facing surface (54) of the inner wall (24). An auxiliary seal element (18) is secured to the first axial flange (28) and extends to the inwardly facing surface (38) of the outer wall (40). In one embodiment, the primary and auxiliary seal elements (16) and (18) may be cammed over radially extending lips (56) and (58) formed on the inner and outer walls (24) and (40). Separation of the inner and outer seal cases (14) and (16) is resisted by radial pressure exerted by the seal elements and the radial lips.

Abstract: This invention relates to a rotating and sealed bearing assembly of a first member (12) rotating in a second member (10), comprising a bearing outer track structure (28) mounted in a bore (11) of the second member traversed by the first member (12) and bearing a lip seal (40), the bearing inner track (24) being formed on the first member (12), the bearing outer track structure being made of a sheet steel backing plate (28) shaped in order to a present an intermediate zone of rounded profile (26) forming the bearing outer track.According to the invention, the intermediate zone (26) is extended on one side by a first end zone (30) extending axially and on the other side by a second end zone (36) extending axially, the second end zone (36) being connected to the intermediate zone (26) by a median zone (34) extending radially.

Abstract: A seal assembly for antifriction bearings in which a cone and a cup have raceways for roller bearings, a seal case carried by the cone and by the cup for supporting a seal element on each of the seal cases to provide a space therebetween for retention of a body of lubricant in position to create a barrier for blocking the ingress of contaminants from the exterior. One of the seals is positioned to be exposed to the outside to have a lip operative on one of the seal cases to preclude the ingress of contaminants, and the other one of the seals is exposed to the bearing interior to allow lubricant to pass into the cavity between the seals and also to assure the presence of lubricant to the interior of the bearing assembly.

Abstract: A bearing assembly fits over the journal at the end of a shaft and is clamped between a fillet at one end of the journal and an end cap which extends across the opposite end of the journal. The bearing assembly includes a double row tapered roller bearing having a two indirectly mounted cones, a double cup around the cones, and tapered rollers arranged in two rows between the raceways of the cones and cup. The bearing assembly also includes seal rings located against the cones and seals fitted into the end of the cup and cooperating with the seal rings to establish barriers at the ends of the bearings. The outboard seal ring is clamped between the end cap and the outboard cone, whereas the inboard seal ring is clamped between the inboard cone and the backing ring. A slight clearance exists between the inboard seal ring and the journal to prevent fretting beneath that seal ring due to slight flexures in the journal.

Abstract: A device for supporting an overhang type slidable pinion shaft of an electric motor for starting an engine comprises a bearing for supporting the pinion shaft, the bearing including an inner ring having a groove provided in its inner peripheral surface. Accordingly, it is possible to secure grease or oil in the groove provided in the inner peripheral surface of the inner ring of the bearing and it is therefore possible to minimize the boundary friction occurring between the inner peripheral surface of the inner ring of the bearing and the sliding surface of the pinion shaft and, at the same time, enable the pinion shaft to slide even more smoothly.

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 support for rotatbly supporting a portion of a shaft, specifically a drive shaft of a vehicle, is disclosed. An intermediate drive shaft support is required when three or more universal joints are embodied in a drive line between a transmission and a differential of the vehicle. An intermediate drive shaft is sufficiently long that it tends to bend or whip to an objectionable extent. The shaft support features a simplified, lower-cost bearing having fewer rolling elements in the form of balls or rollers between inner and outer races, there being from three to six and preferably four. Two rings are located on the sides of the rolling elements to uniformly circumferentially space the elements and can also provide lubricant seals. Each of the rings has a plurality of uniformly-circumferentially spaced recesses in which portions of the rolling elements are received.

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: Sealing device for a thrust bearing has a pair of bearing disks, including a pair of sealing collars (4, 5, 33, 34), and one of the collars being permanently seated on one of the bearing disks and the other collar being free to rotate on the other disk. The sealing collars (4, 5, 33, 34) are provided with integral sealing lips (29), which rest preferably against the facing end surfaces (30, 30a) of the bearing disks (1, 2).

Abstract: A ball bearing having an inner ring, a pair of outer rings, balls interposed therebetween, and a retainer for keeping the balls spaced apart from one another. The outer rings each have a straight portion and an arcuate portion integral with the straight portion. The outer rings have their opposite end faces butting together. The arcuate portion has such a curvature as to conform to the contour of the balls. To the arcuate portion of each outer ring is attached a seal member made of a resilient material and integrally formed over its entire peripheral length with lip portions kept in sealing contact with the inner ring.

Abstract: A seal for sealing the space between a bearing bushing and the journal of a machine part supported therein and a seal consisting of an inner sealing ring between the bearing bushing and the journal and an outer sealing ring located between the open end of the bearing bushing and a shoulder of the machine part supported in the bearing bushing and which has an axially oriented section on the inner side facing the inner sealing ring, having a concentric bore, said inner sealing ring (12) having a sleeve-like section (22) pressed onto a stepped portion of the journal (3) and wherein said pressed-on section (22) is located in the bore (21) of the outer sealing ring (11).

Abstract: A device for supporting an overhang type slidable pinion shaft of an electric motor for starting an engine comprises a bearing for supporting the pinion shaft, the bearing including an inner ring having a groove provided in its inner peripheral surface. Accordingly, it is possible to secure grease or oil in the groove provided in the inner peripheral surface of the inner ring of the bearing and it is therefore possible to minimize the boundary friction occurring between the inner peripheral surface of the inner ring of the bearing and the sliding surface of the pinion shaft and, at the same time, enable the pinion shaft to slide even more smoothly.

Abstract: A seal and dust guard assembly for use with a bearing cup mounted on a trunnion of a universal joint cross member is disclosed. The trunnion includes a cylindrical friction surface, an inwardly tapered surface, a cylindrical sealing surface, and a cylindrical bearing surface. A bearing cup is rotatably mounted on the bearing surface of the trunnion. The outer surface of the bearing cup has an annular groove formed circumferentially thereabout. Between the open end of the bearing cup and the groove, the outer surface of the bearing cup is reduced in diameter. An annular seal assembly is provided for sealing the bearing cup on the trunnion. The seal assembly includes an elastomeric seal having a first lip adapted to engage the sealing surface and a second lip adapted to engage the tapered surface. The seal assembly further includes a plastic dust guard having an axially extending portion which extends over the reduced diameter portion of the bearing cup.

Abstract: A seal is for a universal joint of the type comprising a cross having trunnions with annular shoulders therearound and with a bearing cup for each of the trunnions with the bearing cup having an interior shoulder adjacent the open end thereof. The seal is substantially recessed within the bearing cup at the open end. The seal comprises a sealing member having a lip which engages a portion of the trunnion at the shoulder thereof and an oppositely extending lip which engages the shoulder of the bearing cup. The sealing member has additional lips extending inwardly and outwardly for engaging the trunnion and the bearing cup. The sealing member has a deep annular groove between the lip which engages the shoulder portion of the trunnion and the outwardly-extending lips, the groove opening outwardly away from the bearing cup. The latter lips can have discontinuities in the form of slits or notches extending generally radially from outer extremities toward base portions thereof.

Abstract: A seal assembly (22 or 50) including a primary seal (26), an exclusion seal (28 or 52), and a contaminant absorbing material (30 or 54). The exclusion seal and absorbing material extend the life of the primary seal. The exclusion seal is of the face seal type and includes spacer means (40, 42, 38 or 62, 64, 56) for proper positioning of a sealing lip (34d or 60a) of an elastomeric seal member (34 or 60) relative to an axial facing sealing surface (36a or 58c). The absorbing material (30 or 54) is disposed between the exclusion seal and the primary seal for absorbing contaminants which get by the exclusion seal. The axially facing sealing surface (36a or 58c) may be defined by a frustonconical surface such as provided by a spring washer (44). The seal assembly (50) includes circumferentially, radially spaced vanes (62d) for centrifuging contaminants radially outward and into the absorbing material.

Abstract: The invention relates to a device for sealing shaft bearings or shaft bearing housing, in particular of self-aligning roller bearings for prepressing rollers or the like, having a special ring or special sleeve which surrounds the shaft, is advantageously made of stainless steel and has on the outer circumferential surface at least one annular projection which extends into at least one annular groove at at least one end of the bearing housing. According to the invention the concern here is primarily to inexpensively develop bearing housings, in particular production bearing housings, for operating conditions with exacting requirements on the sealing of the bearing.

Abstract: Seal for bearings having inner and outer rings comprising a sealing ring mounted in a cylindrical recess in one of the bearing rings and defining a radial clearance between the axially oriented shank of a retaining ring having an L-shaped cross section and the bore surface of a cylindrical recess in one of the bearing rings. The sealing ring being fixed in a bore of the retaining ring and projecting laterally from the retaining ring and resting with axial pretension against a radial surface of the one bearing ring.

Abstract: In a universal joint a device is provided for sealing an annular gap between a laterally closed bearing bush of the joint and a pin on a spider located within the bush. A plurality of cylindrically shaped bearing members are located within the annular gap in the bearing bush with an annular stop plate positioned at the ends of the bearing members facing the open end of the bush. A combination support member and sealing member is located in the annular gap with parts of the support member extending through the sealing member for supporting the stop plate. The sealing member is spaced from the stop plate. The support member divides the sealing member into a first part located between the support member and the pin, and a second part located between the support member and the inside wall of the bearing bush.

Abstract: A seal assembly (28) is provided for sealing between a static sidewall (12), a rotating first member having a flat and annular surface (22) disposed therein, and a concentric rim (34) disposed between the sidewall (12) and first member (22). The rim (34) is supportably secured to an arcuate hood (18) which extends axially from the rim (34).

Abstract: A bearing for the steering wheel shaft of a vehicle comprises a number of needle-like rollers, a retainer retaining the needle-like rollers, a cylindrical race member circumscribing the needle-like rollers, and an elastic cylindrical member fitted over said cylindrical race member. The cylindrical race member has a generally S-shaped split formed over the full axial length thereof and extending more or less obliquely with respect to the axis of the race.Unlike the prior art cylindrical race member having an obliquely extending straight slit, the cylindrical members, even if in a great number, are stored in a single container, they do not catch one another through the slits just like a puzzle ring.

Abstract: A novel seal for transversely sealing a bearing includes a seal body formed from a stiff, homogeneous material. The seal body is adapted to be received at outer race groove and inner race land. The seal is characterized by a set of annular hinges formed in the seal body in such a manner that the otherwise rigid seal will dynamically compensate for dimensional differences between the seal and the bearing races, thereby maintaining the seal integrity.

Abstract: A seal for bearing bushing with a sealing ring in a bore of the bearing bushing having a sealing surface which rests against a cylindrical surface of a machine part supported in the bearing bushing. An auxiliary seal is located between the open end of the bearing bushing and a shoulder of the machine part. The auxiliary seal has a ring-shaped collar extending in the axial direction, by which it is connected to the bearing bushing and at least one sealing lip bearing against the bearing bushing. The ring-shaped collar is pretensioned with radial pretension. The auxiliary seal has axially oriented projections located in a ring-shaped recess on the side facing the bearing bushing and each projection is situated over a portion of its length on a tongue of the ring-shaped collar.

Abstract: A compact seal assembly fits into the end of a bearing and effectively retains grease within the bearing while excluding contaminants, notwithstanding operation of the bearing within a hostile environment. The seal assembly includes a shield having an axial mounting portion which fits over the inner race of the bearing and an outwardly directed flange, as well as a smooth sealing surface on both. The seal has a case which fits into the outer face of the bearing and an elastomeric sealing element which establishes several barriers along the sealing surface of the shield. The first barrier exists at a pumping labyrinth which encircles, but is spaced outwardly from the axial segment of the sealing surface where it is exposed to the interior of the bearing. The labyrinth contains wedge-shaped cavities which pump the grease back toward the interior of the bearing.

Abstract: A bearing, having an inner ring, an outer ring, rolling members, inner seal members, outer seal members, a first grease having good heat resistance which is contained inward of the inner seal member, and a second grease having water-resistance and corrosion-prevention which is contained between the inner seal member and the outer seal member. The second grease prevents rusting in the outer and inner rings even if water enters the inner side of the outer seal member. The first grease assures satisfactory lubrication of the rolling members, the outer and inner rings under high speed and high temperature conditions.

Abstract: A tight bearing suitable for exceptionally heavy duty conditions is supplied with side screens (14) made of a plate composition (16) which is restrained to the external ring (10) of the bearing and forms a labyrinth seal against the internal ring (11), and of plastic and elastomer materials (15) supplied with a lip (17) which creates friction on the internal ring (11); other plates (18) are assembled externally with respect to the screens (14) and are integral on the internal ring (11) and form a labyrinth seal (23) with the external ring (10) of the bearing; the internal face of the external plates (28) is lined with a layer of plastic and elastomer material (19) from which at least one lip (20) extends and forms an essentially axial seal against the external face of the plate (16) of the internal adjacent screen (14); the lip (20) of the layer (19) which lines the internal face of the external plates (18 ) slips and seals along a certain length (21) of bent conical converging internal plate (16) towards the

Abstract: A bearing has an outer ring that has an axially outward edge. The inner ring of the bearing has a flange that extends radially outward past the outer edge of the outer ring and defines a slot between them. The external surface of the outer ring is inclined radially inwardly moving axially inwardly from the outer edge of the outer ring for defining a conical section terminating in a circumferential groove. Internally, the outer ring has a borehole in from the outer edge which is also radially inwardly inclined moving axially inward from the outer edge. The outward surface incline directs water away from the slot. The inward surface incline directs water between the rings outward through the slot. The single inclined surface on the exterior of the outer ring may be replaced with a series of inclined surfaces giving the exterior a toothed appearance. A seal may be disposed internally between the outer and inner rings.

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: 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 resilient annular bearing seal having an inner surface defining a central opening, an outer surface defining the seal outer periphery, and first and second side walls between the inner and outer surface and on opposite sides of the seal, the seal further having a circumferentially continuous sealing lip extending axially outwardly from the first side wall, the first side wall having a relieved portion adjacent to the sealing lip for receiving the sealing lip. The seal may include a sealing shoulder adjacent to the outer surface and the first side wall. The seal may also include at least one lip extending radially inwardly from the inner surface, and a sealing shield adjacent to the first side wall and the inner surface and extending both radially inwardly and axially outwardly.

Abstract: A fluid pump apparatus having on its first end a motor for power driving an elongated shaft, the shaft portion housed in a pump housing, with an impeller on the second end for routing fluid from an inlet to an outlet port. Toward its first end, the shaft is supported and rotates on a pair of oil bearings housed in an oil bath, for effecting rotation during the pumping action. On the second end, the improved apparatus further comprises a third set of bearings housed on that portion of the shaft adjacent the impeller blade, between the pump housing and the shaft. There is further provided a pair of angular rubber grease seals on either set of the bearings wherein grease injected into the cavity housing the bearings and grease seals fills a void between each pair of grease seals so that the seal members are moved into a rigid sealing position between the shaft and the housing.

Abstract: A sealing device for a universal joint comprising an annular cup surrounding each branch of a spider element of the universal joint and fixed with a bearing ring capping the end of the associated branch. A flexible sealing element having lips on the periphery thereof is engaged with an inner circular flange of the annular cup. According to the invention, the annular cup comprises a cylindrical skirt mounted to bear against a flange of the corresponding branch of the spider element, the skirt extending in a direction substantially perpendicular to the circular flange of the annular cup. This arrangement reduces the interference between the annular cup and the flexible sealing element, which is composed of rubber, to thereby increase the effectiveness of the seal afforded by the device.

Abstract: A bearing housing (3) encloses a bearing (2) for a shaft (1). The bearing is mounted on the shaft by a clamping sleeve (4) with a longitudinal slit and two flanges (5,6) one on each side of the bearing. The flanges, which are axially fixed on the sleeve, are parts of mounting and dismounting means for a bearing. The bearing space is sealed by sealing members which surround the flanges .[.and.]..Iadd., In a preferred embodiment, the sealing members .Iaddend.have lips (12,13) contacting the outer surfaces of said flanges. Resilient sealing rings (10,11) are arranged between the flanges and the inner ring of the bearing. The sealing arrangement allows the use of a slitted clamping sleeve and axial displacement of the bearing on the shaft (1) during mounting.