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Cast Iron Flange Unit Base

Precision-machined cast iron base for four-bolt flange bearing units in heavy-duty pumps. HTS 8483.90.20.00 applies to such bases as parts of flange bearing housings.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+40.0%40%
🇲🇽MexicoFree+15.0%15%
🇨🇦CanadaFree+15.0%15%
🇩🇪GermanyFree+15.0%15%
🇯🇵JapanFree+15.0%15%

Alternative Classifications

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

7325.10.00Lower: 37.5% vs 40%

If unfinished cast iron castings

Rough castings without machining for bearing units are Chapter 73 products.

8413.70.20Lower: 37.5% vs 40%

If parts of centrifugal pumps

Pump-specific flange bases classify under pump parts if end-use proven.

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

Submit foundry certifications for cast iron content to block Chapter 73 reclassification

Mark with 'For flange bearing units only' to reinforce heading specificity

Declare weight accurately; under 5kg units may face different scrutiny