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
🇨🇳China4.5%+35.0%39.5%
🇲🇽Mexico4.5%+10.0%14.5%
🇨🇦Canada4.5%+10.0%14.5%
🇩🇪Germany4.5%+10.0%14.5%
🇯🇵Japan4.5%+10.0%14.5%

Alternative Classifications

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

7325.10.00Lower: 35% vs 39.5%

If unfinished cast iron castings

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

8413.70.20Lower: 35% vs 39.5%

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