Chapter 84 · Machinery and mechanical appliances; computers · Section 16

HS Code 8483.90

Toothed wheels, chain sprockets and other transmission elements presented separately; parts

Heading 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

US duty (general)
2.5% - 5.5%
US HTS lines
6
EU CN codes
4
UK commodity codes
13
Unit
kg, No.

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 8483.90

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
8483.90.10 Chain sprockets and parts thereof
2 statistical lines (10-digit)
  • 8483.90.10.10 - Forged
  • 8483.90.10.50 - Other
2.8% Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 45% kg
8483.90.20 Parts of bearing housings and plain shaft bearings >
Parts of flange, take-up, cartridge and hanger units
4.5% Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 45% kg
8483.90.30 Parts of bearing housings and plain shaft bearings >
Other
4.5% Free (A+,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 45% kg
8483.90.50 Parts of bearing housings and plain shaft bearings >
Parts of gearing, gear boxes and other speed changers
3 statistical lines (10-digit)
  • 8483.90.50.10 - Forged gear blanks
  • 8483.90.50.20 - Parts of gear boxes and speed changers for wind turbines
  • 8483.90.50.80 - Other
2.5% Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 27.5% No.
8483.90.70 Other >
Parts of articles of subheading 8483.20
5.5% Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) 45% kg
8483.90.80 Other >
Other
3 statistical lines (10-digit)
  • 8483.90.80.10 - Parts of articles of subheading 8483.60.80
  • 8483.90.80.40 - Parts of universal joints
  • 8483.90.80.80 - Other
2.8% Free (A+,AU,B,BH, C,CL,CO,D,E, IL,JO,KR,MA, OM,P,PA,PE,S,SG) 45% kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 8483.90

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
8483 90 81 Of cast iron or cast steel EU duty (TARIC) →
8483 90 89 Other EU duty (TARIC) →
8483 90 20 Parts of bearing housings EU duty (TARIC) →
8483 90 00 Toothed wheels, chain sprockets and other transmission elements presented separately; parts EU duty (TARIC) →

United Kingdom - commodity codes under 8483.90

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
8483 90 00 00 Toothed wheels, chain sprockets and other transmission elements presented separately; parts UK duty & VAT →
8483 90 20 00 Parts of bearing housings UK duty & VAT →
8483 90 20 10 For use in civil aircraft UK duty & VAT →
8483 90 20 90 Other UK duty & VAT →
8483 90 81 00 Of cast iron or cast steel UK duty & VAT →
8483 90 81 10 For use in civil aircraft UK duty & VAT →
8483 90 81 90 Other UK duty & VAT →
8483 90 89 00 Other UK duty & VAT →
8483 90 89 10 For use in civil aircraft UK duty & VAT →
8483 90 89 20 Sprocket for continuous variable valve timing to optimize the process of filling the cylinders of an internal combustion engine with: -case, -rotor, -at least 4 screws, -spring, -of an external diameter of 80 mm or more but not exceeding 95 mm, -of a thickness of 25 mm or more but not more than 35 mm, for use in the manufacture of engines of motor vehicles UK duty & VAT →
8483 90 89 30 Forged steel sprockets with external toothing, whether or not with internal splines in a diametral pitch standard, with: -a diameter of 400 mm or more, but not more than 630 mm, -7 teeth or more, but not more than 15 teeth, -a tooth core hardness of 28 HRC or more, but not more than 45 HRC, -a tooth surface hardness of 50 HRC or more, but not more than 60 HRC, -whether or not, a spline hardness of 30 HRC or more, but not more than 45 HRC, -an effective carburized case depth of 4 mm or more, but not more than 5 mm UK duty & VAT →
8483 90 89 40 Steel alloy gear wheels with straight teeth and involute profile, with: -external and/or internal toothing in a diametral pitch standard, -a diameter of 35 mm or more, but not more than 600 mm, -13 teeth or more, but not more than 80 teeth, -a tooth core hardness of 28 HRC or more, but not more than 45 HRC, -a tooth surface hardness of 50 HRC or more, but not more than 65 HRC, -an effective carburized case depth of 1,00 mm or more, but not more than 3,1 mm, -a spline hardness of 27 HRC or more, but not more than 62 HRC, -whether or not in combination with a shaft with a spline hardness of 27 HRC or more, but not more than 62 HRC UK duty & VAT →
8483 90 89 90 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 8483

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.