Abstract: A system includes a wind turbine having a fixed part and a rotational part and a brake having a brake disk mounted to the rotational part for rotation with the rotational part. At least one brake block is fixed relative to the fixed part and has a friction surface facing the brake disk. The brake block is shiftable between a first position with the friction surface spaced from the brake disk and a second position with the friction surface in contact with and pressed against the brake disk, and the friction surface and/or the brake disk are configured such that pressing the at least one brake block against the brake disk creates a micro-interference fit between the at least one brake block and the brake disk.

Abstract: A rolling-element bearing assembly includes a first bearing ring and a second bearing ring that define a bearing interior between them, a plurality of rolling elements disposed in the bearing interior to allow a relative rotation of first and second bearing rings, and a seal assembly for sealing the bearing interior. The seal assembly includes a seal carrier that is connected to the first bearing ring such that they rotate together and a seal element that is connected to the seal carrier such that they rotate together, and the seal carrier comprises a fiber-reinforced plastic.

Abstract: A rolling-element bearing assembly includes first and second bearing rings that form a bearing interior between them and a plurality of rolling elements disposed in the bearing interior and a seal assembly for sealing the bearing interior. The seal assembly includes a seal carrier and a seal element having at least one primary seal lip for sealing the bearing interior and a secondary seal lip for sealing against external contamination. The seal element is connected to the seal carrier such that the primary seal lip and the secondary seal lip abut axially against an axial end surface of the second bearing ring.

Abstract: A rolling-element bearing assembly includes a first bearing ring and a second bearing ring that define a bearing interior between them, a plurality of rolling elements disposed in the bearing interior to allow a relative rotation of first and second bearing rings, and a seal assembly for sealing the bearing interior. The seal assembly includes a seal carrier that is connected to the first bearing ring such that they rotate together and a seal element that is connected to the seal carrier such that they rotate together, and the seal carrier comprises a fiber-reinforced plastic.

Abstract: A rolling-element bearing assembly includes first and second bearing rings that form a bearing interior between them and a plurality of rolling elements disposed in the bearing interior and a seal assembly for sealing the bearing interior. The seal assembly includes a seal carrier and a seal element having at least one primary seal lip for sealing the bearing interior and a secondary seal lip for sealing against external contamination. The seal element is connected to the seal carrier such that the primary seal lip and the secondary seal lip abut axially against an axial end surface of the second bearing ring.

Abstract: A system includes a wind turbine having a fixed part and a rotational part and a brake having a brake disk mounted to the rotational part for rotation with the rotational part. At least one brake block is fixed relative to the fixed part and has a friction surface facing the brake disk. The brake block is shiftable between a first position with the friction surface spaced from the brake disk and a second position with the friction surface in contact with and pressed against the brake disk, and the friction surface and/or the brake disk are configured such that pressing the at least one brake block against the brake disk creates a micro-interference fit between the at least one brake block and the brake disk.

Abstract: A tensioner for preloading a bearing, the bearing including inner and outer bearing rings. The tensioner including a component having a housing and a carrier element that extends radially inwardly from the housing, the outer bearing ring having an outer surface that forms an axially extending radial surface and having a first axial end formed by a radially extending axial surface and directly abutting the carrier element, a support element for supporting the component relative to the inner bearing ring such that a closed force flow arises from the outer bearing ring via the component and the support element, and a sleeve positioned radially between the outer surface of the first bearing ring and the housing such that an inner surface of the sleeve abuts the outer surface of the outer bearing ring and an outer surface of the sleeve abuts a conical surface of the housing.

Abstract: A tensioner for preloading a bearing, the bearing including inner and outer bearing rings. The tensioner including a component having a housing and a carrier element that extends radially inwardly from the housing, the outer bearing ring having an outer surface that forms an axially extending radial surface and having a first axial end formed by a radially extending axial surface and directly abutting the carrier element, a support element for supporting the component relative to the inner bearing ring such that a closed force flow arises from the outer bearing ring via the component and the support element, and a sleeve positioned radially between the outer surface of the first bearing ring and the housing such that an inner surface of the sleeve abuts the outer surface of the outer bearing ring and an outer surface of the sleeve abuts a conical surface of the housing.

Abstract: A tensioner for preloading a bearing, the bearing including a first bearing ring and a second bearing ring and being configured to transmit a preload force in a radial direction and/or in an axial direction between the first bearing ring and the second bearing ring, the tensioner including a component coupled to the first bearing ring, a support element for supporting the component relative to the second bearing ring such that a closed force flow arises from the first bearing ring via the component and the support element to the second bearing ring, and a sleeve disposed in an axially displaceable manner between the first bearing ring and the component, the sleeve being configured to change the preload force in response to an axial displacement of the sleeve with respect to the component.

Abstract: A coating arrangement has the following characteristics: —particles having a scratch hardness greater than or equal to 9 and a median grain size that can be determined, —a coating having a thickness equaling approximately half the median grain size, —a coating carrier with a surface comprising recesses, wherein a portion greater than 85% of the recesses compared to a surface surrounding the associated recess is designed with a depth smaller than approximately 10% and/or a opening width smaller than or equal to approximately 15% of the coating thickness, and —the coating is applied to the surface of the coating carrier and surrounds the particles at least at a lower region oriented toward the coating carrier.

Abstract: A bearing arrangement having an inner race and an outer race, between which rolling elements are disposed, the rolling elements being accommodated in a bearing cage. At least one rolling element is designed as a sensor rolling element, and the bearing cage is designed as a pin cage having multiple pin elements that at least partially accommodate the rolling elements and the at least one sensor rolling element, and a sensor rolling element for a bearing arrangement of this kind are disclosed.

Abstract: A tensioner for preloading a bearing, the bearing including a first bearing ring and a second bearing ring and being configured to transmit a preload force in a radial direction and/or in an axial direction between the first bearing ring and the second bearing ring, the tensioner including a component coupled to the first bearing ring, a support element for supporting the component relative to the second bearing ring such that a closed force flow arises from the first bearing ring via the component and the support element to the second bearing ring, and a sleeve disposed in an axially displaceable manner between the first bearing ring and the component, the sleeve being configured to change the preload force in response to an axial displacement of the sleeve with respect to the component.

Abstract: A bearing arrangement having an inner race and an outer race, between which rolling elements are disposed, the rolling elements being accommodated in a bearing cage. At least one rolling element is designed as a sensor rolling element, and the bearing cage is designed as a pin cage having multiple pin elements that at least partially accommodate the rolling elements and the at least one sensor rolling element, and a sensor rolling element for a bearing arrangement of this kind are disclosed.

Abstract: A bearing device for a solar power plant unit includes at least one support element, at least one first roller and at least one second roller. At least one first roller bearing unit is movably supported on the support element and rotatably supports the at least one first roller and the one second roller. At least one first spherical plain bearing having an outer ring is attached to the at least one first roller. A solar power plant includes at least one mirror movably supported by at least one such bearing device.

Abstract: A roller bearing assembly includes at least one outer ring (16, 18) with an outer track (24, 26), which is surrounded on its outer side by an outer part (36), and at least one inner ring (20, 22) with an inner track (28, 30), which surrounds the inner part (52). The inner part (52) and the outer part (36) project axially beyond the inner ring (20, 22) and the outer ring (16, 18), so that an explosion prevention gap (62) is formed between the inner part (52) and the outer part (36). The explosion prevention gap (62) is at least substantially linear and cylindrical.

Abstract: A device includes at least one spherical roller bearing that has at least one split bearing ring, the split bearing ring having first and second parts, the device including at least one preloading unit that is configured to exert a force on at least the first part of the bearing ring and at least one control unit that is configured to change the force. The preloading unit comprises a hydroelastic preloading unit and may include an elastic tube for applying a force against the first part of the bearing ring and a pump for pumping a liquid into the tube.

Abstract: A bearing device for a solar power plant unit includes at least one support element, at least one first roller and at least one second roller. At least one first roller bearing unit is movably supported on the support element and rotatably supports the at least one first roller and the one second roller. At least one first spherical plain bearing having an outer ring is attached to the at least one first roller. A solar power plant includes at least one mirror movably supported by at least one such bearing device.

Abstract: A method is disclosed in which a pressurized fluid presses an axial abutment surface against a first machine element in the axial direction to thereby fix the axial position of the first machine element and/or to thereby set a desired axial pre-loading of the first machine element. The fluid is then solidified to permanently maintain the axial position and/or the axial pre-loading of the first machine element. A clamp is disclosed that permanently affixes the first machine element relative to a second machine element using this method. An apparatus comprising the first machine element axially fixed relative to the second machine element by the clamp is also disclosed.

Abstract: A roller bearing assembly includes at least one outer ring (16, 18) with an outer track (24, 26), which is surrounded on its outer side by an outer part (36), and at least one inner ring (20, 22) with an inner track (28, 30), which surrounds the inner part (52). The inner part (52) and the outer part (36) project axially beyond the inner ring (20, 22) and the outer ring (16, 18), so that an explosion prevention gap (62) is formed between the inner part (52) and the outer part (36). The explosion prevention gap (62) is at least substantially linear and cylindrical.

Abstract: A method is disclosed in which a pressurized fluid presses an axial abutment surface against a first machine element in the axial direction to thereby fix the axial position of the first machine element and/or to thereby set a desired axial pre-loading of the first machine element. The fluid is then solidified to permanently maintain the axial position and/or the axial pre-loading of the first machine element. A clamp is disclosed that permanently affixes the first machine element relative to a second machine element using this method. An apparatus comprising the first machine element axially fixed relative to the second machine element by the clamp is also disclosed.