Wind Turbine Gearbox Intermediate Shaft Bearing Cap from China
Precision machined steel cap securing cylindrical roller bearings on intermediate shafts in wind turbine gearboxes, precision-ground for micron-level tolerances. HTS 8483.90.50.20 designation reflects its specialized role in wind speed changers.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.03.0110%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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Include dimensional inspection reports showing IT5 tolerance compliance
• Document surface finish Ra ≤ 0.8 μm required for bearing contact surfaces
• Distinguish from general bearing housings by shaft diameter matching wind turbine specs (typically 500-800mm)