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