UK Mechanical Power Transmissions Industry

Trade and Production data

The table below lists the trade (CN) data codes and descriptions against which data is collated annually by the BGA. These data are available to Members complete with corresponding production (PRODCOM) data. Click here for details of the statistics and how to obtain them

CN CodeChains
73151110Iron or steel roller chain of a kind used for cycles and motor cycles
73151190Iron or steel roller chain excl. - of a kind used for cycles or motor cycles
73151200Iron or steel articulated link chain excl: - roller chain
73151900 Iron or steel parts of articulated link chain
 Transmission elements (inc. clutches, brakes, couplings, chain and belt drives)
84831010Transmission shafts (incl. cam and crank shafts) $amp: cranks for use in civil aircraft
84831041Cranks and crank shafts O/T composite crank shafts of iron or cast steel
84831051Cranks and crank shafts of open-die forged steel
84831057Crank and crank shafts O/T of cast iron or steel; or open-die forged steel ('97 on)
84831060Cranks and crank shafts: articulated shafts ('97 on)
84831080Cranks and crank shafts O/T of cast iron r cast steel; or open-die forged steel; or articulated shafts ('97 on)
84831090Other transmission shafts including camchafts - excluding cranks and crankshafts (to '96)
848350Flywheels and pulleys including pulley blocks
84835010Pulleys for use in civil aircraft
84835091Flywheels and pulleys, including pulley blocks O/T for use in civil A/C of cast iron or cast steel
84835099Flywheels and pulleys, including pulley blocks O/T for use in civil A/C O/T of cast iron or cast steel
848360Clutches and shaft couplings including universal joints
84836010Clutches and shaft couplings (including universal joints) for use in civil aircraft
84836091Clutches and shaft couplings O/T for use in civil A/C of cast iron or cast steel
84836099Clutches and shaft couplings O/T for use in civil A/C O/T of cast iron or cast steel
 Bearings
84821010Ball bearings <30mm
84821090Ball bearings >30mm
84822000Taper roller bearings incl. cone and taper roller assemblies
84823000Spherical roller bearings
84825000Cylindrical roller bearings excl. roller bearings - needle roller bearings
84824000Needle roller bearings
84828000Roller bearings - combined ball/roller bearings - taper roller, spherical roller, needle roller bearings
84829110Balls, needles and rollers for ball or roller bearings
84829190Balls, needles and rollers for ball or roller bearings
84833010Bearing housings not incorporating ball or roller bearings; plain shaft bearings; for use in civil aircraft
84833031Bearing housings for ball or roller bearings
84833039Bearing housings O/T for ball or roller bearings ('97 on)
84833090Plain shaft bearings
84829900Parts of ball or roller bearings excluding balls, needles, rollers
84839030Parts of bearing housings (other than for use in civil aircraft)
84832000Bearing housings inc ball or roller bearings
84832010Bearing housings incorp ball or roller bearings of a kind used in aircraft or spacecraft
84832090Bearing housings incorp ball or roller bearings O/T of a kind used in aircraft or spacecraft
 Loose Gears and other Parts
 Parts of transmission shafts, camshafts, crankshafts, cranks, gears, gearing, gearboxes, ball screws, other speed changers, torque converters, flywheels, pulley blocks, clutches etc
84839010Parts for use in civil aircraft falling within heading 8483 ('97 on)
84839092Parts made of cast iron or cast steel found within heading 8483 O/T for use in civil aircraft
84839098Other parts of goods within heading 8483 NES. ('96 only)
 Gearboxes for stationary equipment
84834010Gears and gearing for use in civil aircraft ('97 on)
84834082Gears and gearing (O/T friction gears): Spur and Helical gearboxes ('97 on)
84834083Gears and gearing (O/T friction gears): Bevel and Bevel/Spur gearboxes ('97 on)
84834084Gears and gearing (O/T friction gears): Worm gearboxes ('97 on)
84834085Gears and gearing (O/T friction gears): O/T Spur and Helical, Bevel and Bevel/Spur and Worm gearboxes ('97 on)
84834098Other gears and gearing M/C not specifically stated elsewhere ('96 on)
84834092Ball and roller screws ('96 on)
 Speed variators
84834094Gear boxes and other speed changers: gear boxes ('97 on)
84834096Gear boxes and other speed changers: O/T gear boxes ('97 on)
 Automotive gearboxes
870840Gearboxes for tractors, motor cars and other motor vehicles designed for the transport of persons, goods vehicles, crane lorries, fire-fighting vehicles, concrete-mixer lorries, road sweeper lorries, spraying lorries, mobile workshops and mobile radiological units
870840100Parts and Acc. for Motor Vehicles Ind. Assembly gear boxes for vehicles of <2500cc or <2800cc spark ignition
870840900Parts and Acc. for Motor Vehicles gear boxes O/T for industrial assembly

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