Idler Chain Sprocket for Timing Drives

Non-driven idler sprocket used to maintain tension in roller chain timing drives for machinery. HTS 8483.90.1050 covers this as 'other' chain sprocket parts presented separately. Common in printing presses and textile machinery.

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%

Alternative Classifications

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

8439.99.50.00Lower: 35% vs 37.8%

If dedicated to semiconductor processing equipment

Parts of semiconductor manufacturing machines under statistical provisions.

8483.90.10Same rate: 37.8%

If specifically for bicycle chain systems

Subheading refinement for cycle-specific sprockets vs general industrial.

8474.90.00Lower: 35% vs 37.8%

If part of sorting or conveying machinery

Machinery parts classification when integral to sorting equipment function.

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

Document as 'tensioning sprocket' with engineering drawings to support separate classification

Ensure compliance with ISO 606 chain standards for interoperability claims

Related Products under HTS 8483.90.10.50

Heavy Duty Mining Chain Sprocket 80A25

Flame-hardened 80A25 sprocket for 1 inch pitch mining conveyor chains, alloy steel. HTS 8483.90.1050 covers as other chain sprockets for harsh environments. Critical for continuous miners and haulage systems.

Segmented Replaceable Tooth Chain Sprocket

Modular sprocket with bolted replaceable segments for #80 chain, cast iron/steel. HTS 8483.90.1050 covers as other chain sprocket parts. Designed for high-wear bulk material handling.

High-Speed Duplex Chain Sprocket

Precision balanced duplex sprocket for high RPM roller chain drives up to 3000 RPM. Alloy steel construction under HTS 8483.90.1050 as other chain sprockets. Used in CNC machine tool feeds.

Custom Pitch Chain Sprocket for Special Machinery

Engineered sprocket for non-standard 0.875 inch pitch chains in specialized equipment. Presented separately under HTS 8483.90.1050 as other chain sprockets. For custom automation systems.

Wafer Processing Conveyor Chain Sprocket

Ultra-clean static dissipative sprocket for semiconductor wafer processing conveyors. HTS 8483.90.1050 as other chain sprockets despite cleanroom use. Complies with Chapter 84 statistical notes for wafer handling.

Roller Chain Sprocket for Conveyor Systems

A precision-engineered sprocket with teeth designed to engage roller chains in industrial conveyor systems. Classified under HTS 8483.90.1050 as 'other' chain sprockets and parts thereof, separate from complete assemblies. Used in material handling equipment for reliable power transmission.