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
19.9%
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
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