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 2599;

Manufacture of (electromagnetic) clutches, see 2930;

Manufacture of sub-assemblies of power transmission equipment identifiable as parts of vehicles or aircraft, see divisions 29 and 30.