Chapters › 8483

HTS 8483

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings 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); parts thereof

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
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Chapter 99 measures listing products under 8483

Lines under 8483

HTSDescriptionGeneralColumn 2
8483.10Transmission shafts (including camshafts and crankshafts) and cranks:
8483.10.10Designed for use solely or principally with spark-ignition internal combustion piston engines or rotary engines2.5%35%
8483.10.10.10For motorcycles
8483.10.10.30Other
8483.10.10.50Other
8483.10.30Other2.5%35%
8483.10.30.10For vehicles of chapter 87
8483.10.30.50Other
8483.10.50.00Other transmission shafts and cranksFree30%
8483.20Housed bearings, incorporating ball or roller bearings:
8483.20.40Flange, take-up, cartridge and hanger units4.5%45%
8483.20.40.40Incorporating ball bearings
8483.20.40.80Incorporating roller bearings
8483.20.80Other4.5%45%
8483.20.80.40Incorporating ball bearings
8483.20.80.80Incorporating roller bearings
8483.30Bearing housings; plain shaft bearings:
8483.30.40Flange, take-up, cartridge and hanger units4.5%45%
8483.30.40.40Ball or roller bearing type
8483.30.40.80Other
8483.30.80Other4.5%45%
8483.30.80.20Ball or roller bearing type
8483.30.80.40Other
8483.30.80.55Rod end bearings
8483.30.80.65Other
8483.30.80.71Of copper or copper alloys
8483.30.80.79Other
8483.30.80.81Of copper or copper alloys
8483.30.80.89Other
8483.40Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws…
8483.40.10.00Torque convertersFree27.5%
8483.40.30Imported for use with machines for making cellulosic pulp, paper or paperboardFree27.5%
8483.40.30.40Fixed ratio speed changers
8483.40.30.80Other
8483.40.50Other2.5%27.5%
8483.40.50.10Fixed ratio speed changers
8483.40.50.20Gear boxes and speed changers for wind turbines, as described in statistical note 9 to this chapter
8483.40.50.80Other
8483.40.70.00Other speed changers25¢ each + 3.9%$4.50 each + 65%
8483.40.80.00Ball or roller screws3.8%45%
8483.40.90.00Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately2.5%27.5%
8483.50Flywheels and pulleys, including pulley blocks:
8483.50.40.00Gray-iron awning or tackle pulleys, not over 6.4 cm in wheel diameter5.7%45%
8483.50.60.00Flywheels2.8%45%
8483.50.90Other2.8%45%
8483.50.90.40Grooved pulleys
8483.50.90.80Other
8483.60Clutches and shaft couplings (including universal joints):
8483.60.40Clutches and universal joints2.8%45%
8483.60.40.40Clutches
8483.60.40.80Universal joints
8483.60.80.00Other2.8%45%
8483.90Toothed wheels, chain sprockets and other transmission elements presented separately; parts:
8483.90.10Chain sprockets and parts thereof2.8%45%
8483.90.10.10Forged
8483.90.10.50Other
8483.90.20.00Parts of flange, take-up, cartridge and hanger units4.5%45%
8483.90.30.00Other4.5%45%
8483.90.50Parts of gearing, gear boxes and other speed changers2.5%27.5%
8483.90.50.10Forged gear blanks
8483.90.50.20Parts of gear boxes and speed changers for wind turbines
8483.90.50.80Other
8483.90.70.00Parts of articles of subheading 8483.205.5%45%
8483.90.80Other2.8%45%
8483.90.80.10Parts of articles of subheading 8483.60.80
8483.90.80.40Parts of universal joints
8483.90.80.80Other