Heading 8483

Transmission shafts (including cam and crank) and cranks; bearing housings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers; flywheels and pulleys; clutches and shaft couplings

848310 Transmission shafts (including cam shafts and crank shafts) and cranks 848320 Bearing housings, incorporating ball or roller bearings 848330 Bearing housings, not incorporating ball or roller bearings and plain shaft bearings 848340 Gears and gearing; (not toothed wheels, chain sprockets and other transmission elements presented separately); ball or roller screws; gear boxes and other speed changers, including torque converters 848350 Pulleys and flywheels, including pulley blocks 848360 Clutches and shaft couplings (including universal joints) 848390 Transmission components; toothed wheels, chain sprockets and other transmission elements presented separately; parts