Idler Chain Sprocket for Tensioning

Non-driven idler sprocket used to maintain chain tension in conveyor and drive systems, with bearing-mounted hub. HTS 8483.90.10 applies to such chain sprockets presented separately, regardless of drive function. Common in automotive assembly lines.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.8%+35.0%37.8%
🇲🇽Mexico2.8%+10.0%12.8%
🇨🇦Canada2.8%+10.0%12.8%
🇩🇪Germany2.8%+10.0%12.8%
🇯🇵Japan2.8%+10.0%12.8%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8482.10.50Higher: 44% vs 37.8%

If emphasizes bearing function

Predominantly bearing-type idlers may classify as housed bearings.

8479.89.65Lower: 20.3% vs 37.8%

If part of complete conveyor

Machinery working parts include tensioners in sets.

8483.90.50Lower: 37.5% vs 37.8%

If plain pulley-style idler

Non-toothed tension wheels are pulleys.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Note 'idler' function but emphasize toothed chain engagement

Bearing must be standard housed type, not specialized