Abstract: The invention relates to a freewheeling element comprising a cage, a plurality of clamping bodies, each of the clamping bodies being received in an associated clamping body pocket formed in the cage, and a plurality of rolling bodies, each of the rolling bodies being received in an associated rolling body pocket formed in the cage, the cage having a higher resilience than the clamping bodies and the rolling bodies.

Abstract: The invention relates to a cage-free rolling bearing (1) having a plurality of rolling elements (4) which are arranged so as to be distributed in the circumferential direction between an inner ring (2) and an outer ring (3) that is arranged concentrically to the inner ring (2); and a pressing element (6) which is arranged in the manner of a ring segment along the circumferential direction, at least temporarily contacts at least two of the rolling elements (4) simultaneously, and applies a force oriented in an axial direction to each of the contacted rolling elements (4).

Abstract: The invention relates to a spindle for a machine tool, in particular a motor spindle having a housing (2) for accommodating an electric motor (3) and a shaft (6) which can be driven by the latter, in particular having a tool holder for a tool for machining workpieces, wherein at least one data acquisition element (8) for recording operating and/or state data of the spindle is provided, and wherein the data acquisition element is in the form of a radio chip and can be read by radio using a read element (9).

Abstract: The invention relates to a free-wheel, particularly a clamping member free-wheel, comprising elements, especially an internal ring (1) and an external ring (2), which can be twisted relative to one another about a common axis, are arranged inside each other, and form a gap (4) inside which clamping elements, particularly clamping members (5), are disposed such that a frictional connection can be established to the facing external surfaces of the elements (1, 3) via clamping surfaces (6, 7) of the clamping members (5). The clamping members (5) are inserted into a clamping member cage (8) in order to be securely positioned. A circumferential band element (9) is provided which has recesses (10) for receiving the clamping members (5).

Abstract: The invention relates to a coupling device for establishing a couplable connection between two rotationally mounted machine parts, particularly a first shaft and a second shaft. To this end, the second shaft comprises a coupling ring that, on the inside, has tensioning bodies, which act against each another in pairs and which are arranged so they surround the shaft.

Abstract: A motor spindle includes a spindle shaft for receiving a tool. The spindle shaft is accommodated in the housing of the motor spindle in a fixed bearing and a loose bearing. The received tool enters into contact with the machined workpiece in a tool interface when the spindle shaft is driven and the tool interface is displaced in an axial direction of the spindle shaft when a workpiece is machined. A displacement sensor is provided on the spindle bearing in order to determine the axial displacement of the tool interface. There is also a motor spindle including a spindle shaft for receiving a tool. The spindle shaft is accommodated in the housing of the motor spindle in a fixed bearing and in a loose bearing with an axially displaceable bearing bushing. The tool enters into contact with the machined workpiece at the tool interface when the spindle shaft is driven, and an adjusting element which is used to adjust the axial displacement of the bearing bushing of the motor spindle is also provided.

Abstract: The invention relates to a spindle (9) for a machine tool, having a housing (12) to accommodate an electric motor (11) and a shaft (13) driven by the latter and having a tool holder for a tool (10) for machining workpieces, at least one data acquisition element (2) being provided to record operating and/or state data of the spindle (9), and at least one spindle-integrated data storage element (1) being provided to store the recorded data from the data acquisition element (2).

Abstract: The invention relates to a dynamic gas mounting of a motor spindle, with a rotating shaft 2 which is gas-mounted in a housing 3 in the radial and axial direction, at least one radial gas bearing 4 being present for radial mounting along the shaft 2 and at least two axial gas bearings 5, 6 being present for the axial mounting of the shaft 2, and the two axial gas bearings 5, 6 having different surface profiles 12 for generating a flow of the bearing gas in the axial direction 14 of the shaft 2 in order to vent the mounting.