7 Machine parts in the nature of bearings, namely, ball and roller bearings, plain bearings, hydrostatic bearings, parts thereof and accessories thereto; machine parts, namely seals for bearings, bearing housing, sheaves and pulleys; crankshafts for use in motors and engines; machinery components, namely, couplings, transmissions except for land vehicles; machinery parts, namely, cardan joints, live centres, machine tool spindles, gear wheels and gear boxes, axles for machines, ball bushings, ball groove slides, ball and roller screws, link rollers, rod ends; mounting tools, namely, hydraulic oil injectors, pumps, hydraulic nuts and hydraulic withdraw tools, pressure oil apparatus, oil mist lubricators, lubrication systems and devices, parts of the aforementioned goods and accessories thereto; 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, lubricating apparatus for spinning spindles, yarn feeders, open-end spinning units; machinery components, namely, sealed bearing unit, automatic lubricant dispenser, mechanical balancing unit, insulated bearings, sensorized bearings, coated bearings, smart actuators in the nature of electro-mechanical actuating units, actuators and linear motion systems, linear bearings and guidings, magnetic bearings; machine parts, namely, positioning systems for use in positioning and clamping ring bearings in order to ensure conditions for metal cutting