Abstract: A bearing ring for a rolling-element bearing including an axially extending outer surface, two radially extending side surfaces, an inner surface configured to at least partially contact a rolling element and at least one radially extending recess in the inner surface that is configured to work together with a lifting tool to allow the bearing ring to be lifted by the lifting tool. Also a method of lifting a bearing ring having such a recess.

Abstract: A stator assembly that provides a concentric housing and stator, the stator radially positioned inside the housing, the housing having an inner surface, the stator having an outer surface radially facing the inner surface. One of the outer surface of the stator and the inner surface of the housing has recessed shapes and the other one of the outer and inner surface has protruding shapes. When the two shapes are arranged in a first relative position, the protruding shapes are inserted in the recessed shapes so that the stator can be mounted radially inside the housing along a central axis of the assembly, and in a second relative position that is angularly shifted relative to the first position around the central axis, the protruding shapes exert, against the one of the housing and the stator that bears the recessed shapes, a radial force that angularly and axially locks the stator.

Abstract: A generator assembly for harvesting energy in a bearing arrangement having a first component and a second component, wherein the first component is configured to rotate in relation to the second component. The generator assembly includes a plurality of coils attached to the first component, wherein the coils are configured to interact with a magnet ring with alternating magnetization directions attached to the second component. In order to achieve an adaptable and flexible design, the coils are placed and oriented such that a winding axis of the coils is oriented in an essentially circumferential direction in relation to a rotation axis of the bearing arrangement.

Abstract: A pulley device for a tensioner roller provides a pulley, a bearing, a spacer supporting the bearing. The spacer is provided with a through bore, and a securing bolt extending to the inside of the bore in the spacer. The device includes at least one means for the temporary locking of the securing bolt in relation to the spacer, the temporary locking means being separable and inserted between the bolt and the spacer. A pulley device for a winding roller is also provided.

Abstract: A bearing unit having a bearing centered on a central axis and including a rotating inner ring, a non-rotating outer ring, and at least one row of rolling elements arranged between the rings. The bearing unit further includes an impulse ring including a target holder that radially extends from the rotating inner ring and radially beyond the outer ring, a target that is fixed to an outer periphery of the target holder beyond the outer ring and that is adapted to cooperate with a detection device for tracking the rotation of the impulse ring around the central axis, and a fixing sleeve.

Abstract: A piston bearing unit having an actuating piston which has a receiving region. The actuating piston is designed to actuate an element by way of a linear movement. The piston bearing unit also comprises a bearing having a first raceway and a second raceway, wherein the bearing is designed for mounting the actuating piston rotatably with respect to the element. The first raceway and the second raceway are at least partially accommodated in the receiving region.

Abstract: A couplant and an arrangement of a couplant include a transducer and a construction component. The couplant is adapted to couple the transducer to a surface of the construction component. The couplant comprises basically 15% to 75% mass portion of hard metal.

Abstract: A monitoring system for monitoring equipment has first data processing means for executing a primary, critical task and second data processing means for executing a secondary, non-critical task. The second data processing means receives its power supply from the first data processing means via protective circuitry so as to prevent electrical failures in the second data processing means from affecting operation of the first data processing means.

Abstract: The manufacturing method notably includes a step (110) for sintering steel powder (10), the chemical composition of which includes, in mass percent, 2.3% of carbon, 4.2% of chromium, 7% of molybdenum, 6.5% of tungsten, 10.5% of cobalt and 6.5% of vanadium, so as to obtain a sintered steel (12) and shaping of the sintered steel (12), for forming a bearing ring (18).

Abstract: An apparatus for imparting compressive residual stress to at least a surface portion of a first plurality of balls includes a first body having a first surface, the first surface including a smooth contact portion, the smooth contact portion being substantially flat or convex and having a surface hardness greater than or equal to the initial surface hardness of the balls. The apparatus also includes a second body having a second surface, the first surface overlying the second surface, and at least one drive operably connected to the first body or to the second body and configured to move one of the first and second bodies relative to the other body at a substantially fixed distance, the at least one drive also being configured to move the first body toward the second body with a force or to move the second body toward the first body with the force.

Abstract: A roller bearing module for a vehicle hub module having an outboard roller bearing and an inboard roller bearing. The roller bearing module provides a spacer coupling the outboard roller bearing to the inboard roller bearing. The spacer is arranged in an axial direction between the outboard roller bearing and the inboard roller bearing. The roller bearing module includes a first sealing structure arranged at an outwards facing side of the outboard roller bearing. The roller bearing module further includes a second sealing structure arranged at an inwards facing side of the inboard roller bearing.

Abstract: The invention concerns an electrical installation providing an apparatus, a three-phase inverter and a control device, the inverter being adapted for generating a three-phase current presenting a first frequency for operating the apparatus and an undesired frequency component presenting a second frequency. The control device is adapted for measuring a parameter of each phase of the current, the measured parameters forming a measurement vector, and for calculating a Clarke transform, providing a first vector represented in a first basis of a two-dimensional vector space, of the measurement vector. The control device is adapted for generating a representation of the first vector in a second basis of the vector space, the second basis rotating at the second frequency with respect to the first basis.

Abstract: A steel alloy for a bearing, the alloy having a composition comprising: (a) from 0.5 to 0.9 wt. % carbon, (b) from 1.2 to 1.8 wt. % silicon, (c) from 1.1 to 1.7 wt. % manganese, (d) from 0.7 to 1.3 wt. % chromium, (e) from 0.05 to 0.6 wt. % molybdenum, and optionally any of: (f1) from 0 to 0.25 wt. % nickel, (f2) from 0 to 0.02 wt. % vanadium, (f3) from 0 to 0.05 wt. % aluminium, (f4) from 0 to 0.3 wt. % copper, (f5) from 0 to 0.5 wt. % cobalt, (f6) from 0 to 0.1 wt. % niobium, (f7) from 0 to 0.1 wt. % tantalum, (f7) from 0 to 150 ppm nitrogen, (f8) from 0 to 50 ppm calcium, and (f9) the balance iron, together with any unavoidable impurities, wherein the steel alloy has a microstructure comprising bainitic ferrite and retained austenite, and a hardness (Vickers) of at least 650 HV.

Abstract: A device includes a first bearing, at least one second bearing, a first bearing-attachment element configured to exert a first force on an outer ring of the first bearing, and at least one second bearing-attachment element configured to exert a second force on an outer ring of the second bearing. The first bearing-attachment element is configured also to exert a third force on the outer ring of the second bearing.

Abstract: A rolling element bearing having first and second bearing rings and at least one row of rolling elements disposed between raceway surfaces of the bearing rings. The bearing further includes at least one sensor provided on a sensing surface of the first bearing ring, and a signal-carrying cable in connection with the sensor. The cable provides a cable connector, which fits into a socket. The socket is integrated in a recess provided in an external surface of the first bearing ring. The recess is in communication with the sensing surface and a signal coupling is provided between the sensor and the socket. One of the cable connector and the socket has an angled body section angled with a first angle ? relative to a longitudinal axis of the recess, such that the cable is guided out of the recess at an angle to a normal of the external surface.

Abstract: A lubricant distributor for delivering lubricant to at least one lubrication point includes a lubricant distributor housing with a cylinder bore, a metering piston mounted for reciprocal movement in the cylinder bore, and a detector connected at an end of the cylinder bore, the detector including an entry bore configured to receive a portion of the metering piston, and the entry bore being in fluid communication with the cylinder bore, and the detector including an interior space separated from the entry bore by a wall and a Hall sensor in the interior space. The detector is configured to output a detection signal in response to detecting the portion of the metering piston in the entry bore. Also a method of operating the lubricant distributor.

Abstract: The cam follower roller device provides a tappet body 12, an insert 18 mounted in the tappet body and provided with a central core 24 and with at least two side tabs 26, 28, a pin 14 mounted at least on the tabs of the insert, and a roller 16 mounted on the pin. The insert 18 further provides at least one stiffener 44, 46 disposed between the core 24 and each tab 26, 28.

Abstract: A method of trend analysis and automatic tuning of alarm parameters for a machine is provided. The method includes obtaining condition related measurements of the machine, checking a Condition Indicator (CI) value with respect to a set threshold, calculating the number of times the value is above the threshold during the N last measurements, displaying the number of times the value is above the threshold during the N last measurements in a diagram, triggering the alarm if the value has been above the threshold more times than the alarm level during the N last measurements, comparing historical measurement data when each alarm triggered with defects recorded, correlating a relationship between the alarms triggered and the defects detected, counting the number of true positives, false negatives and false positives from the current measurement data, comparing the number of counted true positives, false negatives and false positives with the acceptable defined limits.

Abstract: A screw pump for transporting a fluid, with a drive spindle having a drive spindle profile and with at least one running spindle having a running spindle profile, the running spindle engages with its running spindle profile at least partially in the drive spindle profile of the drive spindle, the drive spindle profile and/or the running spindle profile is formed as a rolled profile, and a method for producing a spindle for such a screw pump, and a method for producing a groove in such a spindle are disclosed.

Abstract: A bearing assembly includes a bearing for supporting a first machine part relative to a second machine part, a seal assembly configured to seal a first space in a region of the bearing relative to a second space, a pressure equalization passage fluidically connecting the first space and the second space, a valve configured to open and close the pressure equalization passage, and a controller configured to control the valve.