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Section XVI — Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles

Chapter 84 — Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

Heading 8483 — Transmission shafts (including cam shafts and crank shafts) and cranks; bearing housings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints).

Subheading

8483.40 Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements presented separately; ball or roller screws; gear boxes and other speed changers, including torque converters

Common commodities
Reduction gear for precision linear actuatorsSpeed increaser assembly for machineryTransmission box for roller screwsBall screw assembly with fixed ratioVariator for torque converterHigh-precision speed reducer mechanismPrecision gear box for machinery motion controlRoller screw speed changer unitLinear actuator torque converter componentMechanism for directional change of ball screw motion

HS codes