Monocrystalline Silicon Bearing Race from China
Non-magnetic silicon inner race for ball bearings in MRI-grade semiconductor handlers. Matches thermal expansion of silicon wafers for zero-stress mounting. Still HTS 8482.99.05.00 as semiconductor-processed ring for ball bearings.
Duty Rate — China → United States
44.9%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Provide resistivity and crystal orientation specs (100-plane) linking to wafer handling
• Classify as fabricated silicon article shaped for bearings, not raw material
• Declare CTE matching (2.6 ppm/°C) as key design feature