7 ball and roller bearings, plain bearings, and hydrostatic bearings, all for machines, and structural parts therefore; mechanical seals for bearings, bearing housings, sheaves, pulleys, and crankshafts; machine components, namely couplings, power transmissions, metal cardan joints, live machining centres for metal working, machine tool spindles, gear wheels and gear boxes, axles for machines, ball bushings, ball groove slides, ball and roller screws, link rollers, and rod ends; bearing mounting tools for machines, namely hydraulic oil injectors, rotary or reciprocating pumps, hydraulic nuts and hydraulic withdrawal tools, oil injection apparatus for forcing high oil pressure between two mating components to keep the components separate, and oil mist lubricators for lubricating of machine components; metalworking machinery; textile machinery components, namely spinning spindles, drafting rollers, treadle rolls, shaft rollers, eccentric rollers, spindle inserts, tension and idler pulleys, cam followers, pendulum weighting arms, top rollers, bottom roller bearings, lubricators for spindles, lubricators for spinning spindles, yarn feeders, and open-end spinning units for yarn spinning machines; machine parts, namely sealed bearing units, insulated bearings, sensorized bearings, coated bearings, magnetic bearings, and linear bearings and guidings; power operated automatic lubricant dispensers for machines; mechanical balancing units for machines comprising high speed rotating elements namely spindles for hand-held angle grinding machines, drums for washing machines, spindles for grinding machines, smart linear actuators and linear motion systems comprising actuators, ball and roller screws and guiding tables; machinery for the positioning of cutting tools and measuring equipment