Parts of wind-powered generating sets classified in subheading 8502.31.00
Parts suitable for use solely or principally with the machines of heading 8501 or 8502: > Other: > Other > Other: > Parts of wind-powered generating sets classified in subheading 8502.31.00
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Products classified under HTS 8503.00.95.70
Vestas V52 Wind Turbine Gearbox Assembly
This gearbox assembly is a critical component specifically designed for Vestas V52 wind-powered generating sets classified under 8502.31.00, converting the high-speed rotation from the rotor into low-speed, high-torque rotation for the generator. It features precision-engineered helical gears and bearings suited for the variable loads in wind turbine nacelles. Classified under 8503.00.95.70 as it is a part solely for these wind generators.
Siemens SWT-3.0 Blade Pitch Control Hub
The blade pitch control hub for Siemens SWT-3.0 wind turbines adjusts blade angles to optimize power output and protect against overloads in wind-powered generating sets of 8502.31.00. It includes hydraulic actuators and sensors integrated for nacelle mounting. This part qualifies for 8503.00.95.70 due to its principal use solely with these specific wind generators.
GE 1.5 MW Yaw Drive Gearmotor
This gearmotor powers the yaw mechanism in GE 1.5 MW wind turbines under 8502.31.00, enabling the nacelle to rotate and face wind direction for maximum efficiency. It combines electric motor, gearbox, and planetary gears tailored for harsh offshore conditions. Falls under 8503.00.95.70 as a dedicated part for these wind generating sets.
Nordex N90 Rotor Bearing
Spherical roller bearing for the main rotor shaft in Nordex N90 wind turbines (8502.31.00), handling extreme axial and radial loads from blade rotation. Features sealed lubrication for 20+ year lifespan in turbine hubs. Classified in 8503.00.95.70 for its sole principal use with these wind-powered generators.
ABB Wind Turbine Generator Stator Core
Laminated stator core for ABB generators in wind sets of 8502.31.00, with copper windings optimized for variable wind speeds up to 3 MW capacity. Provides the stationary magnetic field for electricity generation. Dedicated design qualifies it for 8503.00.95.70.
LM Wind Power 44m Blade Spar Cap
Carbon fiber reinforced spar cap for LM Wind Power 44m blades used in turbines under 8502.31.00, providing primary load-bearing structure against bending forces. Engineered for fatigue resistance over 20 years. As a blade subcomponent dedicated to wind generators, classified in 8503.00.95.70.
Bonfiglioli Main Shaft Coupling
Flexible grid coupling connecting main shaft to gearbox in wind turbines of 8502.31.00, absorbing misalignment and torque spikes from wind gusts. High-torque grid design for 2-5 MW class machines. Sole use with these generators places it in 8503.00.95.70.
SKF Wind Turbine Slip Ring Assembly
Slip ring assembly for yaw and pitch systems in wind generators under 8502.00.31, transferring power/signals during rotation with fiber optic channels for modern controls. Rated for 10 million revolutions in turbine service. Classified 8503.00.95.70 for principal wind generator use.
Enercon Generator Cooling Radiator
Liquid-to-air radiator for cooling generators in Enercon wind turbines (8502.31.00), managing heat from 3 MW+ direct-drive systems. Compact nacelle-mounted design with wind-optimized fins. Dedicated part for these generating sets in 8503.00.95.70.
Main Cable Reel for Wind Turbine Nacelle
Motorized cable reel managing power cables in nacelle yaw rotation for wind-powered sets of 8502.31.00, preventing cable twist with slip ring integration. Designed for 360° continuous operation. Principal use qualifies for 8503.00.95.70.
Danfoss Wind Converter Control PCB
Printed circuit board for power converter control in wind generators under 8502.31.00, managing variable frequency output to grid. Wind-specific firmware for fault ride-through compliance. Electronic part dedicated to these sets in 8503.00.95.70.
Hydac Wind Turbine Hydraulic Accumulator
Bladder-type hydraulic accumulator for pitch systems in 8502.31.00 wind turbines, storing energy for emergency feathering. High-pressure design for 200+ bar operation. Classified 8503.00.95.70 for sole principal use.
igus Wind Yaw Bearing Slewing Ring
Polymer-lined slewing ring bearing for nacelle yaw rotation in wind sets of 8502.31.00, reducing maintenance with self-lubricating iglide material. 4m+ diameter for multi-MW turbines. Dedicated wind part in 8503.00.95.70.
NKE Wind Main Bearing Spherical Roller
Spherical roller thrust bearing for main shaft in 8502.31.00 wind turbines, handling 1,000+ kN loads with patented cages for debris resistance. Sized for 2-3 MW onshore machines. Sole use qualifies for 8503.00.95.70.
Phoenix Contact Wind SCADA Junction Box
IP67 junction box for SCADA cabling in wind turbine nacelles of 8502.31.00, with surge protection for sensors and controls. Wind-rated terminals for -40°C operation. Electronic enclosure dedicated to these generators in 8503.00.95.70.