Monocrystalline Silicon Bearing Race from Japan
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 — Japan → United States
34.9%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 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