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HSChapter 40
U.S. imports of endless synchronous belts, 60–150 cm circumference (HS 401035) totaled $2.1M in July 2026, traded with 39 countries.
Importers of Endless Synchronous Belts, 60–150 cm Circumference paid $323K in duties in July 2026 — an effective duty rate of 16% on $2.0M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataSynchronous (timing) belts in the 60–150 cm circumference range use toothed profiles to transmit power at precise speed ratios without slip, making them essential in automotive camshaft drives, robotics, printing machinery, and precision industrial equipment. Germany and Japan lead US supply, reflecting the engineering-intensive nature of synchronous belt manufacturing and the dominance of European and Japanese OEM suppliers in precision drive systems. The US schedule subdivides this heading by textile fiber type and belt width across six 10-digit lines, requiring both a fiber-composition certificate and a width measurement to classify correctly.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
724 shipments/mo
If the belt's reinforcement combines textile materials with other elements (such as fiberglass or aramid cord), it would fall under the 'other than textile' residual line 4010359000 rather than the textile-specific lines, unless the textile component is predominant by the applicable classification rule. Importers should obtain a detailed construction specification from the manufacturer and, if classification is uncertain, consider a binding ruling request.
The US schedule separates man-made-fiber synchronous belts wider than 20 cm (4010354100) from those not exceeding 20 cm (4010354500). This distinction can affect the applicable duty rate, so importers must measure the finished belt width and confirm it against the correct 10-digit line before filing entry.
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Subheading 7 of 10 in heading 4010
Subheading 401035 · $2.1M of $71.3M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 4010355000 | Endless Synchronous Belts,Circ (60-150),Text,NESOI | $1.3M | 14.41% | 99.85% | $184K |
| 4010359000 | Endless Synchronous Belts,Circ (60-150),Ex Textil | $387K | 13.25% | 81.76% | $51K |
| 4010354500 | Endless Synchron Belts,Circ (60-150),M/M,NESOI | $277K | 25.20% | 96.45% | $70K |
| 4010353000 | Endless Synchronous Belts,Circ (60-150),Text,Vege | $71K | 14.61% | 100.00% | $10K |
| 4010354100 | Endless Synchron Belts,Circ (60-150),M/M,W>20cm | $41K | 17.85% | 100.00% | $7K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4010350000 | Endless Synchron Blt, Circumference (60cm-150cm) | $1.7M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$2.1MYoY · Pro
Exports
$1.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Japan and Germany together supply 64% of it.
customs district
destination
entry
rate provision · imports
3.5% enters free of duty; the effective duty rate is 15.72%.