Bearing Sleeve for Generator Main Shaft from China
High-tin Babbitt-lined steel sleeve bearing for main rotor shafts in AC generators of 8501.64.0110. Designed for continuous duty at 3000 kW+ power levels. HTS 8503.00.95.46 as part principally used with these alternators.
Duty Rate — China → United States
38%
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
9903.88.0225%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)
Import Tips
• Submit material analysis confirming Babbitt composition (tin 83-91%) and backing steel grade
• Include shaft journal dimension tolerances matching ≥5 MVA generator specifications
• Provide hydrodynamic lubrication design calculations proving generator-specific application