Balls of steel; steel balls for civil aviation.

Engines and their parts, parts of machines, machine frames and structural parts for machines, not included in other classes; industrial handling machines, power-operated; clutches, servomotors; ball-bearings and roller bearings, plain bearings, related components and accessories; mechanical seals being machine parts, bearing brackets for machines; machinery components, in particular joints, actuators, spindles for machine tools, gear wheels and actuators, axles for machines, radial ball bearings with axial slide, channel guides for balls, ball screws and roller screws, rollers for rings; pumps [machines]; insulated bearings; bearings with integrated sensors; coated bearings; pneumatic or hydraulic linear actuators, other than for land vehicles; pneumatic ball transfer units for use in positioning systems; guides for machines; linear ball bearings; ball screws being mechanical linear actuators; cartridge bearings for ball screws; linear actuators; actuators for valves; rotary to linear actuators; actuators for dampers; mechanical seals [machine parts]; gear wheels for machines; starter pinions; pinions; gear box casings, other than for land vehicles; gear cutting machines; hobbing machines; gear cutting and finishing machines; gear hobbing machines; toothed wheels for driving chains; timing belt pulleys [parts of engines]; roller bearings; slide bearings; bearing inserts; bearings for machines; bearings for shafts; power driven buffers; engine bearings; bearings [parts of machines]; bearing units for machine wheels; ball bearings for engines; bearing brackets for ball bearings; bearing brackets for roller bearings; shaft bearings [parts of machines]; roller bearings [machine parts]; bearing cages being parts of machines; bearing housings [machine parts]; brake pads, other than for vehicles; shaft bearings for vacuum pumps; vacuum pads for vacuum pump machines; disc brakes for machines; spindle shafts [parts of machines]; spindle shafts [parts of engines]; electric driving motors for machines; geared electric motors for aircraft; motors, electric, other than for land vehicles; electric motors for machines with a digital servo drive controller; high-frequency motor spindles with high frequency electric converters and power supply units; linear actuators for civil aviation; torsion shaft; mechanical couplings; gear box casings; toothed sectors being machine parts; ballscrews being linear actuators for the space sector; starter pinions for land vehicles; engines for aircraft and marine vehicles.

Machines and machine tools; machine parts, machine racks and parts of machine mounts, engines and parts of engines (except for land vehicles); steering and propelling devices, gripping devices and parts of steering and propelling devices and gripping devices, for motor-operated industrial handling equipment and machine tools, motor-operated industrial handling equipment; linear guided driving modules and gripping modules being parts of propelling and gripping devices, clutch bodies, servomotors; ball and roller bearings, plain bearings, hydrostatic bearings, parts thereof and accessories therefor; seals for bearings, bearing housings, sheaves and pulleys, crankshafts; machinery components, especially couplings, transmissions, 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 withdrawal tools, pressure oil apparatus for motor-operated industrial machines and machine tools, oil mist lubricators, lubrication systems and devices, parts of the aforementioned goods and accessories therefor; automatic lubricators being parts of machines; mechanical balancing unit being parts of machines and machine tools; insulated bearings; sensorized bearings; coated bearings; smart actuators such as electro-mechanical actuating units; actuators and linear motion systems, positioning systems; linear bearings and guidings; magnetic bearings; crankshafts; aero-engine bearings; pod propulsion systems

Bearings for vehicles, vehicles and apparatus for locomotion by land, air or water, vehicle engines; brake drums and discs, couplings, transmissions, gear wheels and gear boxes, airframe components, flight control rods and cables, rudder bearings; rudder control arms and stabilisers; bearings for railway vehicles