8483.90: Toothed wheels, chain sprockets and other transmission elements presented separately; parts

1. 8483 90 00 00 Toothed wheels, chain sprockets and other transmission elements presented separately; parts
2. 8483 90 20 00 Parts of bearing housings
3. 8483 90 20 10 For use in civil aircraft Free
4. 8483 90 20 90 Other Free
5. Other
6. 8483 90 81 00 Of cast iron or cast steel
7. 8483 90 81 10 For use in civil aircraft Free
8. 8483 90 81 90 Other Free
9. 8483 90 89 00 Other
10. 8483 90 89 10 For use in civil aircraft Free
11. 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 Free
12. 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 carburised case depth of 4 mm or more, but not more than 5 mm Free
13. 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 carburised 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 Free
14. 8483 90 89 90 Other Free

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Preferential rates by country

UK: imports by month

last 12 months£334.8m+6.6% · previous 12 months

Average import price£11.40 per kg

Main suppliers, last 12 months

Country	Value	Share	Change
Germany	£54.7m	16.3%	+8.5%
China	£48.9m	14.6%	+10.6%
United States	£45.5m	13.6%	-1.1%
Italy	£30.6m	9.1%	+20.5%
France	£26.3m	7.8%	-0.5%
Poland	£17.6m	5.2%	-13.6%
India	£15.8m	4.7%	+7%
Belgium	£10.9m	3.2%	+21.1%

Same subheading in other tariffs

EU 2.7% – 5.7% Third-country duty 3 tariff lines · average 3.7% Türkiye Free – 5.7% Third-country duty 8 tariff lines · average 2.1% USA 2.5% – 5.5% General (MFN) 6 tariff lines · average 3.8% Canada Free General (MFN) 6 tariff lines Mexico Free General (MFN) 3 tariff lines Brazil 12.6% General (MFN) 1 tariff line Argentina 12.6% General (MFN) 1 tariff line Peru 6% General (MFN) 2 tariff lines New Zealand 5% General (MFN) 2 tariff lines · 1× specific or compound duty Japan Free General (MFN) 3 tariff lines Taiwan 5% – 15% General (MFN) 3 tariff lines · average 11.2% GCC 5% General (MFN) 4 tariff lines Switzerland Free General (MFN) 1 tariff line Norway Free General (MFN) 1 tariff line North Macedonia 2.7% – 8% General (MFN) 3 tariff lines · average 6.2% Nigeria 10% General (MFN) 1 tariff line

World trade in 2024

Top exporters

Rank	Country	Value	Share
1	Germany	US$3.1bn	20.7%
2	China	US$2.9bn	18.9%
3	United States	US$1.7bn	11.5%
4	Japan	US$914m	6.1%
5	Italy	US$855m	5.7%
6	France	US$516m	3.4%
7	India	US$413m	2.7%
8	South Korea	US$363m	2.4%
9	Mexico	US$352m	2.3%
10	Canada	US$323m	2.1%

Top importers

Rank	Country	Value	Share
1	United States	US$2.5bn	16.9%
2	Germany	US$1.6bn	10.6%
3	China	US$1.4bn	9.3%
4	Canada	US$676m	4.5%
5	Mexico	US$633m	4.2%
6	Poland	US$534m	3.5%
7	India	US$430m	2.9%
8	Italy	US$415m	2.8%
9	United Kingdom	US$405m	2.7%
10	France	US$400m	2.7%

Import duty on this product around the world 165

The most-favoured-nation (MFN) duty each country applies to goods of this HS subheading: the average over its national tariff lines, with the lowest and highest line where they differ. Goods from countries with a trade agreement often pay less.

• 5%median duty
• 38number of duty-free countries (MFN)
• 45%highest: Bahamas, Bermuda, Pakistan

165

Importing country	MFN duty	lines from – to	data year
Afghanistan	5%		2018 · HS 2012
Albania	0%		2023
Algeria	15%		2023
Angola	0%		2023 · HS 2017
Anguilla	20%		2021 · HS 2017
Antigua & Barbuda	11%	5% – 30%	2021 · HS 2007
Argentina	14%		2023 · HS 2017
Armenia	2.6%	0% – 5%	2023
Aruba	12%		2021 · HS 2012
Australia	5%		2023
Azerbaijan	0%		2023 · HS 2017
Bahamas	45%		2022
Bahrain	5%		2023
Bangladesh	1%		2023 · HS 2017
Barbados	5.6%	5% – 10%	2022 · HS 2017
Belarus	4.2%	3% – 5%	2021 · HS 2017
Belize	6.3%	5% – 10%	2023
Benin	10%		2023
Bermuda	35%		2023
Bhutan	10%		2022
Bolivia	5%		2023 · HS 2017
Bosnia & Herzegovina	2.5%	0% – 5%	2022
Botswana	0%		2023
Brazil	14%		2023 · HS 2017
Brunei	0%		2023 · HS 2017
Burkina Faso	10%		2023
Burundi	10%		2023
Cambodia	15%		2023 · HS 2017
Cameroon	10%		2023
Canada	0%		2023
Cape Verde	10%	0% – 20%	2023 · HS 2017
Cayman Islands	22%		2021 · HS 2002
Central African Republic	10%		2023
Chad	10%		2023
Chile	6%		2023 · HS 2017
China	8%		2023
Colombia	2.5%	0% – 5%	2023 · HS 2017
Comoros	20%		2021 · HS 2017
Congo - Brazzaville	10%		2023
Cook Islands	0%		2022 · HS 2017
Costa Rica	0%		2023
Côte d’Ivoire	10%		2023 · HS 2017
Cuba	10%		2023 · HS 2017
Dominica	6.3%	5% – 10%	2023 · HS 2017
Dominican Republic	0%		2023
Ecuador	0%		2023 · HS 2017
Egypt	5%	0% – 10%	2019 · HS 2017
El Salvador	0%		2022
Equatorial Guinea	10%		2023
Eswatini	0%		2023
Ethiopia	20%		2021 · HS 2017
European Union (27 countries)	3.7%	2.7% – 5.7%	2023
Fiji	0%		2023
French Polynesia	13%		2023
Gabon	10%		2023
Gambia	10%		2023
Georgia	0%		2022 · HS 2017
Ghana	10%		2023
Gibraltar	12%		2023 · HS 2017
Grenada	6.1%	5% – 10%	2023 · HS 2012
Guatemala	0%		2023
Guinea	10%		2023
Guinea-Bissau	10%		2023
Guyana	5.6%	5% – 10%	2023 · HS 2017
Haiti	5%		2020 · HS 2017
Honduras	0%		2023
Hong Kong SAR China	0%		2023
Iceland	0%		2023
India	7.5%		2023
Indonesia	2%	0% – 5%	2023
Iran	5%		2020 · HS 2017
Israel	4.5%	0% – 10%	2022 · HS 2017
Jamaica	2.5%	0% – 20%	2023
Japan	0%		2023
Jordan	2.5%	0% – 5%	2023
Kazakhstan	0%		2023
Kenya	10%		2023
Kiribati	0%		2023 · HS 2002
Kuwait	5%		2023
Kyrgyzstan	4.2%	3% – 5%	2021 · HS 2017
Laos	5%		2023 · HS 2017
Lebanon	5%		2020 · HS 2017
Lesotho	0%		2023
Liberia	10%		2023
Libya	5%		2021 · HS 2017
Liechtenstein	3.5%*	3.1% – 3.8%	2021 · HS 2017
Macao SAR China	0%		2023
Madagascar	10%		2023
Malawi	5%	0% – 10%	2021 · HS 2017
Malaysia	5%		2023
Maldives	23%	0% – 50%	2023
Mali	10%		2023
Mauritania	10%		2023 · HS 2017
Mauritius	0%		2023
Mexico	0%		2023 · HS 2017
Micronesia	4%		2021 · HS 2017
Moldova	5%		2023 · HS 2017
Mongolia	5%		2023
Montserrat	7.5%	0% – 20%	2023 · HS 2017
Morocco	18%		2023
Mozambique	7.5%		2023
Myanmar (Burma)	3.8%	3% – 5%	2023 · HS 2017
Namibia	0%		2023
Nauru	10%		2021 · HS 2017
Nepal	15%		2023
New Zealand	5%		2023
Nicaragua	0%		2023
Niger	10%		2023
Nigeria	10%		2023
North Macedonia	8%		2023
Norway	0%		2023
Oman	5%		2023
Pakistan	31%	20% – 35%	2023
Palau	3%		2023 · HS 2012
Palestinian Territories	4.5%	0% – 10%	2017 · HS 2017
Panama	0%		2023
Papua New Guinea	0%		2023
Paraguay	0%		2023 · HS 2017
Peru	6%		2023 · HS 2017
Philippines	0.4%	0% – 1%	2023
Qatar	5%		2023
Russia	4.2%	3% – 5%	2021 · HS 2017
Rwanda	10%		2023
Samoa	20%		2020 · HS 2017
São Tomé & Príncipe	10%		2019 · HS 2017
Saudi Arabia	5%		2023
Senegal	10%		2023
Seychelles	0%		2023
Sierra Leone	10%		2023
Singapore	0%		2023 · HS 2017
Solomon Islands	10%		2023 · HS 2017
Somalia	15%		2023 · HS 2017
South Africa	0%		2023
South Korea	5.3%	3% – 8%	2023
Sri Lanka	0%		2023
St Kitts & Nevis	7.5%	5% – 25%	2023
St Lucia	3.8%	0% – 10%	2023 · HS 2012
St Pierre & Miquelon	5%		2021 · HS 2017
St Vincent & the Grenadines	5.6%	5% – 10%	2023
Sudan	10%		2021 · HS 2017
Suriname	5%		2023 · HS 2007
Switzerland	2.3%*	2.1% – 2.6%	2023
Syria	5.5%	1% – 10%	2020 · HS 2012
Tajikistan	5%		2021 · HS 2012
Tanzania	10%		2023
Thailand	4%	0% – 10%	2023
Togo	10%		2023
Tonga	15%		2023 · HS 2017
Trinidad & Tobago	2.5%	0% – 20%	2023 · HS 2012
Türkiye	1.9%	0% – 5.7%	2023
Tuvalu	0%		2017 · HS 2017
Uganda	10%		2023
Ukraine	1.3%	0% – 5%	2023 · HS 2017
United Arab Emirates	5%		2023
United Kingdom	0%		2023
United States	3.8%	2.5% – 5.5%	2023
Uruguay	2%		2023 · HS 2017
Uzbekistan	0%		2021 · HS 2017
Vanuatu	10%		2023
Venezuela	14%		2023 · HS 2017
Vietnam	9%	5% – 10%	2023
Wallis & Futuna	10%		2021 · HS 2012
Yemen	5%		2017 · HS 2017
Zambia	15%		2023
Zimbabwe	0.1%		2023

Tariff data years 2017–2023; rates may have changed since. * ad valorem equivalent of specific duties (UNCTAD estimate) · UNCTAD TRAINS, accessed via WITS (World Bank)

Classifications and correspondences

Where this HS subheading sits in the United Nations' statistical classifications, and which codes it had in earlier editions of the Harmonized System.

SITC Rev. 4

7489 Parts, n.e.s., for the articles of group 748

End use (BEC Rev. 5)

Intermediate goods · BEC 511220

CPC 2.1 product

43332 Parts for the goods of subclass 43320

ISIC Rev. 4 activity

2814 Manufacture of bearings, gears, gearing and driving elements

Earlier HS editions

Correspondence tables of the United Nations Statistics Division (UNSD)

Binding rulings for similar goods 25

Recent rule changes mentioning this code

Acts whose text cites this code or its heading. Check the act itself: a code can be cited for reasons other than a change of its duty.

1. Tariff change 29 September 2026

   UK Trade Tariff: measure changes on 1015 commodity codes

   Trade Tariff changes 2026-09-29 · Source: trade-tariff.service.gov.uk

2. Import and export controls 20 July 2026

   Notice of Action: Brazil's Acts, Policies, and Practices Related to Digital Trade and Electronic Payment Services; Unfair, Preferential Tariffs; Anti-Corruption Enforcement; Intellectual Property Protection; Ethanol Market Access; and Illegal Deforestation

   FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov

3. Tariff change 4 June 2026

   Notice of Determination and Request for Comments Concerning Action Pursuant to Section 301: Brazil's Acts, Policies, and Practices Related to Digital Trade and Electronic Payment Services; Unfair, Preferential Tariffs; Anti-Corruption Enforcement; Intellectual Property Protection; Ethanol Market Access; and Illegal Deforestation

   FR Doc. 2026-11158 · 91 FR 33854 · Source: federalregister.gov

4. Tariff change 28 May 2026

   Implementing Certain Tariff-Related Elements of a Trade and Security Agreement Between the American Institute in Taiwan and the Taipei Economic and Cultural Representative Office in the United States

   FR Doc. 2026-10571 · 91 FR 31818 · Source: federalregister.gov

5. Anti-dumping 15 May 2026

   Tapered Roller Bearings and Parts Thereof, Finished or Unfinished From the People's Republic of China: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025

   FR Doc. 2026-09756 · 91 FR 27920 · Source: federalregister.gov

6. Sanctions 23 April 2026 · Applies from: 22 April 2026

   Council Regulation (EU) 2026/506 of 23 April 2026 amending Regulation (EU) No 833/2014 concerning restrictive measures in view of Russia’s actions destabilising the situation in Ukraine

   CELEX 32026R0506 · Source: eur-lex.europa.eu

Rule changes →

Products classified here

• toothed wheels
• chain sprockets

Questions and answers

Typical products

• chain sprockets
• toothed wheels

Everyday names, not part of the legal text.