Cast Iron Bearing Housing
Cast iron housing for main bearings in aircraft turbojet rotor assemblies. Cleaned, fins/gates removed, and machined for location only, meeting HTS 8411.91.10.90 requirements for unfinished aircraft turbine parts. Ensures precise shaft alignment and oil containment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing assembled bearings
Bearing assemblies classify in Chapter 84 machinery parts.
If precision machined bearing bores
Functional machining exceeds rough casting limits.
If for automotive turbochargers
Vehicle-specific end use changes classification entirely.
Not sure which classification is right?
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Import Tips & Compliance
• Provide bearing journal tolerance specs showing rough state
• Cross-reference with OEM parts catalog for aircraft turbine confirmation
• Declare oil gallery provisions if present but unmachined
Related Products under HTS 8411.91.10.90
Cast Iron Turbine Scroll
Cast iron scroll collecting and directing exhaust flow in small aircraft turbopropellers. Machined minimally for sprue removal and fixturing, qualifying under HTS 8411.91.10.90. Optimizes exhaust thrust vectoring.
Cast Iron Oil Sump
Bottom cast iron oil collection sump for aircraft turbine bearing compartments. Cleaned and machined only for casting defects, per HTS 8411.91.10.90 aircraft parts. Contains scavenge oil flow and debris.
Cast Iron Turbine Inlet Case
A cast iron housing that directs airflow into the compressor section of an aircraft turbojet engine. It is cast from iron, cleaned, and minimally machined only to remove casting imperfections and facilitate finishing, fitting HTS 8411.91.10.90 as a part of aircraft turbines not advanced beyond basic preparation. This part ensures efficient air intake under high-speed flight conditions.
Cast Iron Compressor Stator Vane Carrier
Cast iron support structure holding stator vanes in the compressor stage of aircraft turbopropellers. Produced by casting, cleaned, and machined solely for casting defect removal and fixturing, qualifying under HTS 8411.91.10.90 for aircraft turbine rough parts. It maintains vane alignment for optimal compression efficiency.
Cast Iron Turbine Exhaust Frame
Rough cast iron frame that supports the exhaust nozzle and directs hot gases in aircraft jet engines. Cleaned and machined only to eliminate sprues/risers for finishing placement, per HTS 8411.91.10.90 criteria for aircraft turbojet parts. Critical for structural integrity under extreme thermal loads.
Cast Iron Fan Case Half
Halved cast iron casing for the fan section of high-bypass aircraft turbofan engines. Cast, cleaned, gates removed, and lightly machined for assembly fixturing only, aligning with HTS 8411.91.10.90 for unfinished aircraft turbine parts. Provides containment for fan blade failures.