Abstract: The invention relates to a bearing arrangement (12) for a part to be mounted such that the part rotates about an axis, such as a cylinder, roller, drum or shaft, comprising at least one rolling bearing (23), which is accommodated in a bearing housing (27), which is mounted movably in an arrangement housing (29) in a linearly movable manner by at least one linear guide (28), and also including an actuation device (1) for effecting a linear shifting movement of the bearing housing perpendicularly to the axis between a rest position and a working position. The actuation device includes at least one prestressed spring element, which presses the bearing housing into the working position, and at least one hydraulic or pneumatic device for generating a restoring force acting counter to the spring element for moving the bearing housing into the rest position.

Abstract: A direct drive for a rotation machine, particularly for a container treatment machine, this drive including a fixed machine part (1) and a machine part (2) rotating around a vertical machine axis, wherein the rotating machine part (2) is rotationally connected to the fixed machine part (1) by a roller bearing (3) arranged between the two machine parts (1, 2) and having an outer bearing ring (4), an inner bearing ring (5) and a plurality of rolling elements rolling between said bearing rings (4, 5), and can be driven by a torque motor (7). On the rotating machine part (1), a plurality of magnets (8) is provided, surrounding the rotating machine part, while on the fixed machine part (1), a stator (12) formed of a plurality of electric coils (9, 10, 11) is arranged, such that the rotating machine part (2) can be set in a defined rotational motion through an electromagnetic field generated when the stator (12) is energized in cooperation with the magnets (8).

Abstract: The invention relates to a bearing arrangement (12) for a part to be mounted such that the part rotates about an axis, such as a cylinder, roller, drum or shaft, comprising at least one rolling bearing (23), which is accommodated in a bearing housing (27), which is mounted movably in an arrangement housing (29) in a linearly movable manner by at least one linear guide (28), and also including an actuation device (1) for effecting a linear shifting movement of the bearing housing perpendicularly to the axis between a rest position and a working position. The actuation device includes at least one prestressed spring element, which presses the bearing housing into the working position, and at least one hydraulic or pneumatic device for generating a restoring force acting counter to the spring element for moving the bearing housing into the rest position.

Abstract: A direct drive for a rotation machine, particularly for a container treatment machine, this drive including a fixed machine part (1) and a machine part (2) rotating around a vertical machine axis, wherein the rotating machine part (2) is rotationally connected to the fixed machine part (1) by a roller bearing (3) arranged between the two machine parts (1, 2) and having an outer bearing ring (4), an inner bearing ring (5) and a plurality of rolling elements rolling between said bearing rings (4, 5), and can be driven by a torque motor (7). On the rotating machine part (1), a plurality of magnets (8) is provided, surrounding the rotating machine part, while on the fixed machine part (1), a stator (12) formed of a plurality of electric coils (9, 10, 11) is arranged, such that the rotating machine part (2) can be set in a defined rotational motion through an electromagnetic field generated when the stator (12) is energized in cooperation with the magnets (8).

Abstract: The invention relates to an electromotive direct drive for one cylinder (1) of a printing press, which cylinder (1) is held in a connecting construction (3) with a journal (2) via a roller bearing (4), a rotor (6.1) of an electric motor (6) being connected fixedly in terms of rotation to the journal (2), and a stator (6.2) being connected to the connecting construction (3). This drive is distinguished by the fact that the rotor (6.1) is connected to an end side of the roller bearing (4), and the stator (6.2) is accommodated by a housing (9) which can be fastened to the connecting construction (3) via a bearing housing (5). The advantage of this direct drive according to the invention lies in the fact that the drive and the bearing are combined as a captive, preassembled structural unit which can be handled in a simple manner.

Abstract: A pivot bearing device, particularly for a rotating circular table of a machine tool is provided, and includes a first device part, which is to be connected to an element that is to be rotatably mounted, particularly to the circular table, and a second fixed device part. The device parts are connected via at least one antifriction bearing upon which an axial force acts. A magnet device (21), which acts between the first and second device parts (2, 3), is provided for generating a compensating force (Fk) oriented in essentially the opposite direction to the axial force (Fa).

Abstract: A device for driving a cylinder (1) of a printing machine has an electric motor (3) whose rotor (14) is arranged coaxially with respect to the cylinder (1) and is firmly connected so as to rotate with the latter, and whose stator (15) is held on a frame construction (2) in which the cylinder (1) is mounted such that it can be displaced axially. The rotor (14) and the stator (15) are dimensioned and coupled to the cylinder (1) and the frame construction (2), respectively, in such a way that during any axial displacement of the cylinder (1) possible during the operation of the printing machine, the gap (16) formed between stator (15) and rotor (14) remains constant both with regard to gap width (s) and with regard to length.

Abstract: The invention relates to an electromotive direct drive for one cylinder (1) of a printing press, which cylinder (1) is held in a connecting construction (3) with a journal (2) via a roller bearing (4), a rotor (6.1) of an electric motor (6) being connected fixedly in terms of rotation to the journal (2), and a stator (6.2) being connected to the connecting construction (3). This drive is distinguished by the fact that the rotor (6.1) is connected to an end side of the roller bearing (4), and the stator (6.2) is accommodated by a housing (9) which can be fastened to the connecting construction (3) via a bearing housing (5). The advantage of this direct drive according to the invention lies in the fact that the drive and the bearing are combined as a captive, preassembled structural unit which can be handled in a simple manner.

Abstract: A bearing arrangement for opposite journals of cylinders, rolls or drums having actuators that permit a displacement of the cylinders, rolls or drums in a direction perpendicular to an axis of rotation of said cylinders, rolls or drums, each of said journals being received in a frame wall via a rotary bearing for being placed against and removed from said frame wall whereby a centered rotary bearing (6) is received in a bearing housing (1), the bearing housing (1) is arranged through a linear bearing unit (7) on a connecting structure (2) for longitudinal displacement relative to the connecting structure (2), and the connecting structure (2) is connected to the frame wall (10).

Abstract: The invention concerns a bearing arrangement for opposite journals of cylinders, rolls or drums having actuators that permit a displacement of the cylinders, rolls or drums in a direction perpendicular to an axis of rotation of said cylinders, rolls or drums, each of said journals being received in a frame wall via a rotary bearing for being placed against and removed from said frame wall.

Abstract: The invention relates to a radial-axial roller bearing, having an inner ring (5), coaxially with which an outer ring (4) is disposed, between which rolling bodies (15) roll in order to absorb radial forces, and having cylindrical rolling bodies (17, 18) disposed in cages (19, 20, 24, 25) on both sides to absorb lateral forces, the tracks of which are formed on one side by the end faces of the outer ring (4) and on the other side by a runner plate (8, 9) in each case.

Abstract: A radial-axial bearing assembly made up of a radial cylinder roller bearing (1) and a thrust cylinder roller bearing (2) characterized in that a radially inwards directed flange (10) of an outer ring (3) of the radial cylinder roller bearing (1) is arranged between the radial cylinder roller bearing (1) and the thrust cylinder roller bearing (2) and thus defines a first raceway (19) for the thrust cylinder roller bearing (2), a first bearing washer (16) is arranged between two cylinder roller crown rings (12, 13) of the thrust cylinder rcller bearing (2) and defines a second and a third raceway (20, 21) for the thrust cylinder roller bearing (2) while a second bearing washer (17) defines a fourth raceway (22) therefor, said second bearing washer (17) being connected to the outer ring (3) of the radial cylinder roller bearing (1) by fixing screws (18) whereby a self-retaining combined radial-axial bearing is formed whose pre-stress can be adjusted by the manufacturer through the axial dimension of the first be

Abstract: A change bearing for rollers includes a mounting ring and a roller bearing set into the mounting ring. The mounting ring has a bore and an outside radial surface, and the roller bearing includes an inside ring, an outside ring and a plurality of cylinder-shaped pin rollers positioned between the inside ring and the outside ring. The pin rollers have a radius of curvature whose center is located diametrically across from the bearing axis. The inside ring is located at a predetermined position in relation to the outside radial surface of the mounting ring and the outside ring is positioned in the bore of the mounting ring at a position that is based on component tolerances and desired bearing play.

Abstract: An eccentric bearing includes inner and outer race rings, an eccentric ring positioned between the inner and outer race rings, two spaced apart rows of roller elements positioned between the inner race ring and the eccentric ring, and two spaced apart rows of roller elements positioned between the eccentric ring and the outer race ring. An adjustment lever is positioned adjacent one side surface of the eccentric ring and is mounted on a link pin that is positioned in a bore in the eccentric ring. The link pin is axially fixed in place by a tie bolt that extends through the bore in the eccentric ring. The link pin includes a conically shaped mantle surface that engages a correspondingly shaped portion of the bore in the eccentric ring, thus achieving a tight seat with a large surface at the point most at risk, i.e., the point where the link pin exits at the side surface of the eccentric ring.

Abstract: A three-race bearing for rolls or pressure rollers having inner and outer races and a common center race forming an outer roller bearing which is exclusively a radial bearing and the inner roller bearing which is exclusively an axial guiding rolling bearing.

Abstract: An eccentric bearing having three bearing races arranged one over another, of which one with the center ring forms an inner rolling bearing and the other with the center ring forms an outer rolling bearing, wherein the center ring in each instance consists of a bearing ring insert for of each of said two rolling bearings and a supporting ring of castable or injectable plastic between and positioning said bearing ring inserts.