Marine Propulsion Cast Iron Main Bearing Cap

Cast-iron main bearing cap casting for marine diesel engines, with sprues removed and machined only for location pins. Secures crankshaft main bearings in propulsion engines. Fits 8409.99.10.60 criteria perfectly as rough marine-specific part.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

8483.20.40Higher: 39.5% vs 35%

If finished bearing housings

Advanced machined bearing caps with bores finished classify as plain shaft bearings.

8409.99.10.80Same rate: 35%

If for stationary engines

Stationary power generation engines have separate statistical reporting from marine.

7326.90.86Higher: 37.9% vs 35%

If generic cast iron caps

Lacking specific engine use proof, defaults to other iron castings classification.

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

Match bearing cap dimensions to published marine engine service manuals for verification

Ship in protective cradles to prevent damage that might suggest unauthorized machining

Include bill of materials from engine maker listing this exact casting part number

Related Products under HTS 8409.99.10.60

Cast Iron Marine Engine Cylinder Block

A rough cast-iron cylinder block machined only to remove casting fins and gates, designed specifically for marine propulsion engines under heading 8408. It serves as the core housing for pistons and crankshaft in diesel marine engines. Classified under 8409.99.10.60 due to its cast-iron construction, limited machining, and exclusive use in marine propulsion.

Cast Iron Marine Piston Skirt Casting

Rough cast-iron piston skirt cleaned and lightly machined only at locating points for marine diesel propulsion engines of 8408. This component forms the lower sliding portion of large marine pistons. Fits 8409.99.10.60 as a cast-iron part not advanced beyond basic cleaning, solely for marine engines.

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Heavy cast-iron bedplate segment for marine propulsion engines, machined solely to remove sprues and for assembly jig location. Forms the base frame supporting crankshaft in large ship diesel engines. Under 8409.99.10.60 for its rough state and marine-specific design.

Cast Iron Marine Engine Flywheel Casting

Rough cast-iron flywheel blank for marine propulsion engines, with gates and risers removed and minimal machining for balancing fixture location. Stores rotational energy in large diesel marine powerplants. 8409.99.10.60 applies to this unfinished cast-iron part exclusive to marine engines.

Marine Diesel Crankcase Casting

Cast-iron crankcase housing rough-machined only for fin removal, used in medium-speed marine propulsion diesel engines of heading 8408. Encloses crankshaft and main bearings. Qualifies for 8409.99.10.60 as cast-iron part limited to basic cleaning processes.

Cast Iron Marine Engine Water Jacket Casting

Rough cast-iron water jacket liner for cooling marine propulsion engines, cleaned of risers and lightly machined for fixture placement. Channels coolant around cylinders in ship engines. 8409.99.10.60 due to cast-iron material and minimal processing state.