Turbine Shaft Bearings
High-load journal bearings supporting main shafts in non-aircraft gas turbines for marine propulsion. Feature oil-lubricated designs with specialized coatings for industrial operation. Under HTS 8411.91.90.40 as integral parts of non-aircraft turbines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If plain shaft bearings not turbine-dedicated
Standard bearing housings and plain shaft bearings fall under 8483.30.
If other gas turbine mechanical components
Non-turbojet/turboprop gas turbine parts use 8411.99 subheading.
If parts of complete power generation machinery
If supplied as part of larger industrial machines, may classify under 8479.90.
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Import Tips & Compliance
• Provide bearing load ratings and shaft diameter specs matching specific turbine models
• Include hydrodynamic design certification to distinguish from standard industrial bearings
Related Products under HTS 8411.91.90.40
Turbine Blade Cooling Inserts
Internal inserts that enhance air cooling passages within turbine blades of non-aircraft gas turbines. Made from porous high-temperature alloys for power generation service. HTS 8411.91.90.40 includes these specialized non-aircraft turbine parts.
Turbine Interstage Seals
Labyrinth seals preventing gas leakage between turbine stages in non-aircraft gas turbines for oil & gas compression. Manufactured from abrasion-resistant alloys with precise tooth geometry. HTS 8411.91.90.40 covers non-aircraft turbine sealing parts.
Turbine Blade Root Fixtures
Specialized fixtures and locking hardware securing turbine blade roots in rotor disks of non-aircraft gas turbines. High-strength alloys preventing blade release under centrifugal loads. HTS 8411.91.90.40 includes these retention parts.
Gas Turbine Torque Tubes
Hollow torque transmitting tubes connecting turbine stages in non-aircraft gas turbines for mechanical drive applications. Precision balanced alloy tubes for petrochemical service. Under HTS 8411.91.90.40 as non-aircraft turbine parts.
Turbine Rotor Blades
High-precision rotor blades designed for non-aircraft gas turbines used in power generation plants. These blades are made from heat-resistant alloys to withstand extreme temperatures and rotational speeds in turbine engines. Classified under HTS 8411.91.90.40 as essential parts of non-aircraft turbines.
Gas Turbine Combustion Liners
Cylindrical liners that line the combustion chamber of non-aircraft gas turbines, protecting the casing from high-temperature gases. Constructed from nickel-based superalloys for industrial power generation applications. Falls under HTS 8411.91.90.40 as specialized parts of non-aircraft turbines.