Abstract: A linear motion ball bearing including an outer sleeve, a cylindrical ball-retaining cage within the sleeve with continuous raceways defined between the sleeve and cage, and a plurality of balls in these raceways, each raceway comprising a loaded axial race and a parallel unloaded return race, and two curved turn-around races connecting the axial races. The sleeve has, in the region adjacent each unloaded race, a longitudinal slot having a width greater than the diameter of the balls, and the cage having projections along the unloaded races for retaining balls from falling out of these races.

Abstract: A longitudinally movable bushing has a continuous raceway for endlessly circulating rolling elements, such as balls. The raceway has a portion for loaded balls, wherein the balls are externally exposed to engage a loading surface, and an unloaded portion joined at its ends to the loaded portion. The ends of the loaded raceway portion gradually widen, the widened portions having the same depth as the remainder of the portions.

Abstract: A linear motion ball bearing including an outer sleeve, a cylindrical ball-retaining cage within the sleeve, with continuous raceways defined between the sleeve and cage, and a plurality of balls in these raceways; the sleeve including, as part of each raceway, an axial return race defined by a slot. The cage has a corresponding and generally adjacent axial race, the cage, in an assembled bearing, being rotated about its central axis and displaced relative to the sleeve, so that balls in the axial race are engaged and retained by an edge of the slot.

Abstract: A roller bearing for longitudinally movable machine elements, in which rollers run in and out of a load zone between entry and return paths, has at least one component that defines therein running-in and/or running-out areas which are made elastically yielding by slits which extend parallel to the path below the surface of the running-in and running-out areas.

Abstract: A clutch release device, particularly for motor vehicles, with a self-centering clutch thrust bearing, having a fixed bearing ring, and which is located with radial play with respect to a bearing support, and which has; a sliding sleeve forming the bearing support, an additional sleeve connected to the sliding sleeve, the fixed bearing ring nonrotatingly contacting a contact surface of the additional sleeve, means preventing the fixed bearing from rotating on the additional sleeve, the additional sleeve, at the area of contact with the contact surface, being offset in a direction toward the clutch thrust bearing, the additional sleeve, in the offset, having at least two diametrically opposed recesses for engaging fixed means located on the periphery of the fixed bearing ring for protecting the clutch release bearing from rotation with respect to the bearing support.

Abstract: A siding collar is provided for a fork-activated coupling clutch release bearing, including a collar body with a cast-in wear-resistant disc formed on a radial flange. A plurality of contact zones on one side of the disc contact the fork. On the bearing side of the disc the nonrotating bearing ring contacts the disc, the disc having a plurality of guide zones running essentially axially along the edge, with means for securing this bearing ring to the collar having guide zones for holding this bearing ring on the sliding collar against rotation on the sliding collar.

Abstract: An axially movable ball bearing includes a cage having a plurality of circumferentially distributed guideways, each guideway including first and second axially extending channels joined at their ends by semi-circular sections. A plurality of balls are provided in each of the guideways. The first channels are open radially inwardly so that the balls therein may engage a shaft along which the bearing is adapted to move. A thin-walled metal housing is tightly fitted over the cage, and has bridge sections aligned with the first channels. The bridge sections have on their radially inner surfaces, guide courses for engaging the balls in the first channels. The housing is slotted between the bridge sections, so that the second channels project radially outwardly between the bridge sections. The bridge sections are joined together at each axial end of the bearing by end rings. The metal housing has a greater hardness in the region of the courses of the bridge sections than in the other regions thereof.

Abstract: An improved self-centering clutch thrust bearing is described which includes a rolling bearing assembly and a sleeve bearing. The sleeve bearing and rolling bearing assembly each include radially extending flanges and means are provided for captivating the flanges in an axial direction while allowing limited play in a radial direction. An annular collar and an annular disc are also provided and are positioned for enabling a limited relative motion in a radial direction between the bearing assembly and the sleeve bearing.

Abstract: A hydraulic release mechanism for automotive clutches and the like comprising a housing and a bearing assembly. The assembly comprises a non-rotating race ring, a rotatable race ring adapted to be connected to an operating element for said clutch and a plurality of rolling elements arranged therebetween. The bearing assembly is mounted with respect to the housing for axially slidable movement and radially floating movement. The housing under pressure, the force of which is transmitted through the end of the non-rotating race ring, the rolling elements, and the rotating race ring to the clutch operating element. Preferably, the means for mounting the bearing assembly with respect to said housing comprises a flexible bellows.

Abstract: A thrust ball bearing has an outer cup-shaped ring and an inner cup-shaped ring. A ball bearing assembly of a plurality of balls and a cage is arranged between the closed ends of the bearing rings. The closed bottom of the outer ring is curved, with the center of curvature being on the side thereof toward the bearing assembly. The bearing rings have thin walls, and the thrust ball bearing is particularly adaptable for use as a clutch throw-out bearing.

Abstract: A clutch bearing assembly has inner and outer rings defining a race for ball bearings. The outer ring is adapted to engage a clutch lever, and the inner ring is adapted to be a stationary ring. A sliding sleeve for the assembly is coupled to the inner ring by deformable elements positively affixed to one of these members. The deformable elements may be wire bights having their ends axially inserted in grooves in the inner ring and sliding sleeve. Alternatively, the deformable element may be a spiral spring radially engaging an axial extension of the inner ring and having ends inserted in axially extending holes in the sliding sleeve.

Abstract: A ball bearing has an inner ring and an outer ring defining inner and outer races respectively. A row of balls is provided between the races, and a cage holds the balls spaced apart from one another. The compartments of the cage are staggered alternately, so that adjacent balls engage opposite regions of the races to inhibit axial play.

Abstract: A guide bearing for use in motor vehicles, for guiding a power take-off shaft from a clutch disengaging bearing through the borehole formed in a gear box wall. The guide bearing, at the end intended to be fastened to the gear box borehole, carries, within the guide bearing borehole, the outer rolling path for the gear bearing that supports the power take-off shaft of the disengaging clutch in the gear box. On the casing, the guide bearing carries the seating for its attachment in the borehole of the gear box.

Abstract: A hydraulic release mechanism for automotive clutches and the like comprising a housing and a bearing assembly. The assembly comprises a non-rotating race ring, a rotatable race ring adapted to be connected to an operating element for said clutch and a plurality of rolling elements arranged therebetween. The bearing assembly is mounted with respect to the housing for axially slidable movement and radially floating movement. The housing under pressure, the force of which is transmitted through the end of the non-rotating race ring, the rolling elements, and the rotating race ring to the clutch operating element. Preferably, the means for mounting the bearing assembly with respect to said housing comprises a flexible bellows.

Abstract: A clutch release bearing having an outer cap provided with at least one extending lug is connected to a clutch release actuating element by a flat spring having a planar shank at one end adapted to be connected to the lug and a planar shank at the other end adapted to be articulatingly connected to the actuating element. The spring is bent between the end shanks in an unstressed condition wherein the shanks lie at an acute angle to each other. During assembly the spring is further bent so that its shanks lie substantially over one another and the spring is in stressed condition.

Abstract: A machine element is guided for linear movement along an I-beam by means of two endless rows of rolling elements on each side of the beam. The raceways for the roll bodies under load extend along the inner edges of the flanges of the beam, the raceways being positioned so that the force action lines on the roll bodies in the two raceways on each side of the beam converge in a direction away from the respective side of the beam.

Abstract: A clutch release bearing including cooperative inner and outer race rings with included rolling elements, and a holding ring having a first flange closely adjacent and facing a second flange of one of said rings, one of said two flanges having spiral grooves or other means for providing with a fluid hydraulic pressure between said flanges, thereby urging said inner and outer race rings together for maintaining a generally fixed axial relationship between them.

Abstract: A self-centering clutch thrust bearing with a resilient ring between the bore of the bearing and a sliding sleeve for damping radial play therebetween.

Abstract: A clutch disengagement device having an antifriction bearing connected for radial movement on a sliding sleeve by a centering ring. The centering ring, which is fastened to the nonrotating bearing race, is fastened to the sliding sleeve by at least one clamp which surrounds a radial flange of the sliding sleeve, or of the centering ring, with radial play.

Abstract: A water pump for motor vehicles having a pump wheel arranged at the end of a shaft. A belt driven pulley is connected to the shaft for rotating the shaft and a bearing journals the shaft. The bearing has a fixed race, a rotatable race and two rows of roll bodies located therebetween. The shaft and the pulley are integrally connected to the rotatable race and the pulley has a rim for receiving a drive belt extending about the bearing so that the line of application of the force acting on the bearing lies between the two rows of roll bodies.