Abstract: An axial roller bearing includes two bearing disks placed in plane-parallel relationship to one another. Each bearing disk has a radial section to form a raceway and an axial collar connected to the radial section, wherein the collar of one bearing disk and the collar of the other bearing disk overlap one another. The axial collars are arranged on an inner or outer peripheral edge of the bearing disks and have breaches to define at least one opening of variable size in dependence on a relative rotation of the bearing disks in circumferential direction. A cage is disposed between the bearing disks for accommodating rolling elements.

Abstract: An axial roller bearing includes two bearing disks placed in plane-parallel relationship to one another. Each bearing disk has a radial section to form a raceway and an axial collar connected to the radial section, wherein the collar of one bearing disk and the collar of the other bearing disk overlap one another. The axial collars are arranged on an inner or outer peripheral edge of the bearing disks and have breaches to define at least one opening of variable size in dependence on a relative rotation of the bearing disks in circumferential direction. A cage is disposed between the bearing disks for accommodating rolling elements.

Abstract: A shaped part made from a strip, peripherally contiguous ends of the strip being firmly connected to each other is characterized in that a recess (6) is arranged on one end of the strip (1) and an over-dimensioned projection (7) is arranged on the other end of the strip (1), and after bending round of the strip (1), said ends are fit into each other in axial or radial direction so that through a plastic deformation, an undetachable interference fit results between said ends.

Abstract: A needle case or needle bush produced without cutting for a thin-walled needle bearing is produced without cutting from a cold-rolled strip, which is a heat-treated steel which has the disclosed chemical composition and the disclosed mechanical characteristic values. After a heat treatment, a surface hardness of 860 to 880 HV and a core hardness of 550 to 650 HV are achieved.

Abstract: In a cage for cylindrical rolling bearings (5), which cage is rolled out of a sheet metal strip (12), the pockets (4), as seen in a top view, have, in a profiled, punched and unbent state of the sheet metal strip (12), a curved shape in a region of the inclined sections (8, 9), so that an axially inner, first convex curve B1 merges into an outer, second concave curve B2. This pocket contour of the invention makes it possible to obtain a separation between the retention of the rolling elements and the contact region of the rolling elements in the cage solely by the punching of the pockets in combination with a subsequent bending of the cage strip into a finished cage.

Abstract: A needle case or needle bush produced without cutting for a thin-walled needle bearing is produced without cutting from a cold-rolled strip, which is a heat-treated steel which has the disclosed chemical composition and the disclosed mechanical characteristic values. After a heat treatment, a surface hardness of 860 to 880 HV and a core hardness of 550 to 650 HV are achieved.

Abstract: A shaped part made from a strip, peripherally contiguous ends of the strip being firmly connected to each other is characterized in that a recess (6) is arranged on one end of the strip (1) and an over-dimensioned projection (7) is arranged on the other end of the strip (1), and after bending round of the strip (1), said ends are fit into each other in axial or radial direction so that through a plastic deformation, an undetachable interference fit results between said ends.

Abstract: In a cage for cylindrical rolling bearings (5), which cage is rolled out of a sheet metal strip (12), the pockets (4), as seen in a top view, have, in a profiled, punched and unbent state of the sheet metal strip (12), a curved shape in a region of the inclined sections (8, 9), so that an axially inner, first convex curve B1 merges into an outer, second concave curve B2. This pocket contour of the invention makes it possible to obtain a separation between the retention of the rolling elements and the contact region of the rolling elements in the cage solely by the punching of the pockets in combination with a subsequent bending of the cage strip into a finished cage.

Abstract: A method of making a cage whose crossbars (3) connecting the side rings (1,2) are profiled whereby the rolling elements (5) are retained individually on both sides of the pitch circle by retaining edges (12,13) extending parallel to the axis of the rolling elements wherein by an additional shaping by material displacement after the punching out of the pockets (4), parallel opposing guide surfaces (11) for the rolling elements (5) are formed within the pitch circle between the retaining edges (12,13of the pockets (4) and the retaining edges (12,13) on both sides of the pitch circle are dimensioned so that the distance between them in the peripheral direction is only slightly smaller than the diameter of the rolling elements (5) wherein a defined contact of the rolling elements (5) with the cage is achieved due to the stamp guide surfaces (11) so that the mechanical loading of the cage is insignificant.

Abstract: The invention relates to a window cage (1) for a needle bearing. The pockets (5) of said window cage are formed by punched out sections and by a stamping process with material displacement in a cage strip (9) which is then bent round. According to the invention, the window cage (1) is characterized in that before the cage strip (9) is bent, the opposite surfaces of the web walls of a pocket (5) are made up of three sub-surfaces (10, 11, 12) in the area of the retaining projections (7, 8). The first two sub-surfaces (10) follow a course which is parallel to a middle vertical (13) and each extend into a second sub-surface (11) at their upper end, said second sub-surface running diagonally in the direction of the central point of the pocket. Each of the second sub-surfaces then ends in a third sub-surface (12) which also runs parallel to the middle vertical (13).

Abstract: A method of making a formed body from iron alloys, in particular a cage for use in a radial roller bearing, axial roller bearing or linear roller bearing, includes the steps of treating a metal strip by heat treatment or thermochemical treatment for providing the metal strip with desired properties with respect to hardness, strength and wear resistance, and punching a plurality of spaced slots into the metal strip for formation of pockets for receiving rolling elements.

Abstract: Two race washers (3 and 4) of a thrust rolling bearing comprise on a peripheral edge two collars (5 and 6) directed towards each other so that an annular gap (7) is formed. The rim (8) of the cage (2) is guided in this annular gap (7).

Abstract: The pockets (10) of a cage (5) of a radial rolling bearing comprise retention elements on the inner rolling element holding member or on the outer rolling element holding member which retain the rolling elements (6) in contact with an outer raceway or an inner raceway during the mounting operation. In this way, a sag of the cylinder rollers (6) due to the force of gravity is prevented so that a shaft (4) can be pushed into the bearing without any problem.These retention elements have such a filigree and elastically deformable configuration that they are ineffective during the operation of the bearing after a few rotations so that a normal operational clearance is established between the rolling elements (6) and the cage (5).

Abstract: A cage (1) for cylindrical rolling elements (5) comprising two side rings (2, 3) connected to each other by circumferentially uniformly spaced crossbars (4) so that receiving pockets (6) are formed for the rolling elements (5) is characterized in that opposing end surfaces (8) of the pockets (6) comprise projections (11) which extend inwards in axial direction and bear against end faces of the rolling elements (5) which prevents an axial offset between the rolling elements (5) and the cage (1) so that after insertion and suspension of the first rolling element (5), the cage (1) can be filled with the rest of the rolling elements (5) without their being damaged.

Abstract: An axial rolling bearing with a cage (2) comprising radially directed elastic projections (7, 8) on its inner and/or outer peripheral surface, which elastic projections (7, 8) bear against the collar (6, 5) of the race discs (4, 3) under all operating conditions of the bearing so that the cage (2) is radially centered, even if the shaft lifts off in axial direction.

Abstract: A chiplessly formed bearing washer for a thrust bearing, comprising an angular thrust washer (1) comprising a radial portion (2) which forms a raceway and merges into at least one axial bend (3), said thrust bearing washer comprising a retention means in the form of projections (4) or recesses, the bent edges of the projections (4) or the edges of the recesses are provided with a stamping (7), whereby detrimental stresses occurring in the bent region are avoided.

Abstract: A device for expanding rotationally symmetrical shaped parts (16), including a divided expanding mold (1), a pressure die (11) and a pressurizing means (14), wherein a mold cavity (9) of the expanding mold (1) is defined in axial directions by continuous end faces (20,21) of two spaced annular molds (17,18) and in radial direction by an inner peripheral surface of two mold halves (2,3).

Abstract: The invention concerns a cage for full-type roller bearings comprising pockets formed by crossbars, into which pockets peripheral sections of cylindrical rolling elements extend, the cage being arranged radially inside or outside of a pitch circle of the rolling elements.

Abstract: An axial beaing unit comprising two bearing discs (1, 2) with rolling elements (3) disposed therebetween, each of the bearing discs (1, 2) comprising an axially oriented cylindrical flange, which cylindrical flanges overlap each other in the axial direction, the flange of one of the bearing discs (1) being made as an overhanging flange (9) comprising a radially projecting end portion (3) at its free end (11), and the flange of the other bearing disc (2) being a retaining flange (10) comprising a retaining surface (14) facing the end portion (13), the end portion (13) engaging behind the retaining surface (14) so that the bearing discs are connected to each other secure against loss, characterized in that the radially projecting end portion (13) comprises several elastically yielding bosses (12) made without chip-removal and arranged spaced apart on the circumference of the end portion (13), which bosses (12) engage as a result of radial elastic relaxation behind the retaining surface (14).

Abstract: A rolling element cage made particularly of polymeric material in which rolling elements are guided in pockets and which is split at at least one point of its periphery, the cage ends delimiting the separating gap being formed by crossbars which comprise projections and corresponding recesses which fix these cage ends at least in the axial direction by interlocking, characterized in that the recesses in the crossbar forming the respective cage end extend into the adjacent pocket and, when the separating gap is closed, the projections projecting into the recesses extend at the most upto the delimiting surface of the pocket facing the cage end.