This class includes:
- manufacture of ball and roller bearings and parts thereof
- manufacture of mechanical power transmission equipment:
- transmission shafts and cranks: camshafts, crankshafts, cranks etc
- bearing housings and plain shaft bearings
- manufacture of gears, gearing and gear boxes and other speed changers
- manufacture of clutches and shaft couplings
- manufacture of flywheels and pulleys
- manufacture of articulated link chain
- manufacture of power transmission chain
This class excludes:
- manufacture of other chain, see CAEN 2593
- manufacture of hydraulic transmission equipment, see CAEN 2812
- manufacture of hydrostatic transmissions, see CAEN 2812
- manufacture of (electromagnetic) clutches, see CAEN 2931
- manufacture of sub-assemblies of power transmission equipment identifiable as parts of vehicles or aircraft, see divisions 29 and 30