Silicon Carbide Coated Ball Bearing Race from Japan
Inner race with SiC plasma coating for particle-free operation in semiconductor lapping equipment. Extends life 5x over uncoated steel in slurry environments. Remains HTS 8482.99.05.00 as base steel 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
• Classify by substrate material (steel), not coating; provide coating thickness specs
• Test coating adhesion per ASTM standards for CBP verification
• Note slurry compatibility (colloidal silica) for end-use documentation