Abstract: An asymmetric angular contact bearing comprises an inner ring (2) and an outer ring (3) each defining a raceway, at least one ring being provided with a high shoulder (6) and a low shoulder (7) which border the raceway of said ring, as well as a series of rolling elements (8) which are in rolling contact with the raceways. The low shoulder is provided with a circumferential groove (9), a ring member (10) being accommodated in said groove (9) for contacting the rolling elements (8).

Abstract: An actuator for a drum brake comprises a housing (1), a screw mechanism having at least one screw (3, 6) and a nut (4, 7), which screw mechanism (2) is supported with respect to the housing (1), and drive means (3) which are drivingly connected to the screw mechanism for providing a linear movement of at least one of the screw and nut with respect to the housing upon driving the screw mechanism. The screw mechanism comprises two axially aligned screws which have opposite lead angles and two corresponding nuts, said screws each engaging a respective nut, the drive means being connected to both screws or to both nuts.

Abstract: A subassembly for an eccentric gear reduction unit comprises a mounting sleeve (1) and two coaxial shafts (2, 3). one of said shafts being rotatably supported with respect to the mounting sleeve by means of a support rolling element bearing (4), the other of said shafts being rotatably supported with respect to the support rolling element bearing and/or the one shaft (2) by means of an eccentric rolling element bearing, said eccentric rolling element bearing also supporting an eccentric gear wheel (6) to which the other shaft (3) is connected, which eccentric gear wheel is intended for engagement with a fixed ring gear (7) which is coaxial with respect to both shafts.

Abstract: An electric actuator (1) comprises a housing (2) which contains a screw mechanism (3) and an electric motor (4) which is driveably connected to the screw mechanism (3), said screw mechanism (3) providing a linear movement in a rotational movement of the electric motor (4) and comprising a screw (17) and a nut (18), one of which is supported with respect to the housing (2), a sensor (28) being provided for measuring a quantity related to the rotational movement and/or the linear movement of the screw mechanism (3). A control unit (29) for monitoring and/or influencing the rotational and/or the linear movement of the screw mechanism (3) on the basis of signals from the sensor (28) has been provided.

Abstract: An actuator for use in a brake caliper is situated at opposite ends of a screw mechanism. A reduction gear mechanism is located at a distance from the actuating member. The reduction gear mechanism is included in a reduction gear module and a screw mechanism is contained in a screw mechanism module, which are interconnected through a drive module. The drive module may be located at the end of the reduction gear module facing away from the screw mechanism module. The modules may be axially aligned or at least two modules may be axially shifted or eccentric with respect to each other. The screw mechanism module may comprise an angular contact bearing which may be supported in a housing in different ways. The reduction gear module may be part of a planetary gear system.

Abstract: An electric actuator (13) comprises a housing (7) which contains a screw mechanism (11) and an electric motor (5) which is driveably connected to the screw mechanism which provides a linear movement in response to a rotational movement of the electric motor (5), said screw mechanism (11) comprising a screw (12) and a nut (13) one of which is supported rotatably with respect to the housing (17) by means of an angular contact ball bearing (31), said angular contact ball bearing (31) comprising two pairs of contact points the working lines (40,41) of which intersect each other. One pair of contact points has a working line (41), the angle of which with respect to the axis (42) of the bearing (21) is smaller than the corresponding angle of the other working (40) line.

Abstract: An electric actuator (13) comprises a housing (17) which contains a screw mechanism (11) and an electric motor (5) which is driveably connected to the screw mechanism (11) which provides a linear movement in response to a rotational movement of the electric motor (5), said screw mechanism (11) comprising a screw (12) and a nut (33) one of which is supported rotatably with respect to the housing (7) by means of an angular contact ball bearing (31), said screw (12) by means of an intermediate coupling element (18) engaging an actuating member (16) for transferring axial forces. The intermediate coupling element (18) engages the screw (12) by means of an axial connection (53, 54) which allows radial movements.

Abstract: A bearing assembly for a vehicle hub comprises rolling elements (9, 10) which are in rolling contact with at least one inner raceway (2) and outer raceway (1), of respectively an inner ring member and an outer ring member, one of which ring members comprises two bearing rings (3, 4) which are interconnected by means of a mounting sleeve (14) for preloading the rolling elements in axial direction between the raceways. The bearing rings (3, 4) are bonded to the sleeve (14) by means of glueing.

Abstract: Bearing assembly for a vehicle hub comprising two coaxial rolling bearings having inner races and outer races, the outer races being accommodated in a common outer bush, which outer bush is provided with a flange and hub for fixing a vehicle component thereto, the inner races being accommodated on a common central element, the rolling bearings being supported on the central element and the outer bush under initial load in the axial direction.

Abstract: A hub bearing unit assembly having an inner and outer race ring, which being unified with a fastening flange, with rows of rolling elements located between the races, said rolling elements being separated from one another by means of a cage, as well as comprising seals, which retain a lubricant contained between the rolling elements, the bearing parts being connected to a shaft or part of a shaft, wherein the end part of the inner race opposite the flange section and situated outside the inner side of said race ring, the so-called head section, comprises coupling elements by means of which the race is connected to the shaft or a part of it so as to transmit power.

Abstract: A rolling bearing comprising two rotating parts formed by an inner and outer race fitted with mounting flanges, a plurality of rows of rolling elements, separated by cages, positioned between the races, and a plane seal for sealing the races to prevent the ingress of foreign substances while retaining any lubricant that is present in the space between the races and the seal, the plane seal being formed by a space in a substantially axial direction between the surfaces of the two rotating parts and having a seal placed therein.

Abstract: Rock bit assembly comprising a rock bit for drilling holes in the earth's crust mainly consisting of an integral bit body which can be connected to a drive shaft, a number of rotatable cutter cones which, by means of a rolling bearing arrangement, is rotatably connected to said bit body, each of said cutter cones comprising a central shaft or pin forming a part of said rolling bearing arrangement, wherein a cutter cone and bearing arrangement form a unit which is disengageably secured to said bit body by means of the outer race ring of said bearing arrangement.

Abstract: A method of cropping profile material, such as a tube, to a certain width which material is moved to a cropping mechanism by means of a feeding mechanism, the end portion of the profile material or the tube is fed into the cropping mechanism to a certain width and fixed therein, after which the cropping mechanism of the device is displaced crosswise to the feeding mechanism, whereby a tube or portion of the profile material is cropped off during which a divisible supporting member or mandrel omnilaterally fitting the portion or tube until the said cropped-off portion is ejected from the moving cropping mechanism, characterized in that the divisible elements of the supporting member or mandrel adhere together during cropping-off the portion of the profile material or tube, such that the adhesive effect between the elements proportionally decreases at the rate the cropping operation progresses and wherein the cropped off part being positively pressed mainly in axial direction.