Economic activity types

This class includes: - manufacture of roller and ball bearings and parts thereof - manufacture of mechanical transmission equipment: transmission shafts and gears, including camshafts, crankshafts, gears, etc., bearing housings and shafts - manufacture of gears, gears, gear boxes and other parts of speed change boxes - manufacture of clutches and couplings - manufacture of flywheels and pulleys - manufacture of articulated chains - manufacture of drive chains. This class excludes: - manufacture of other chains, see 25.93 - manufacture of hydraulic transmission equipment, see 28.12 - manufacture of hydrostatic transmissions, see 28.12 - manufacture of electromagnetic clutches, see 29.31 - manufacture of power transmission assembly units being parts of machinery or aircraft, see divisions 29 and 30