Polymer Composite Plain Bearing for Crystal Grinder from Japan
High-load polymer composite (POM/PTFE blend) plain shaft bearing without housing for crystal grinders that shape semiconductor boules with conductivity flats. Falls under HTS 8483.30.8090 as a plain shaft bearing designed for precision semiconductor applications.
Duty Rate — Japan → United States
14.5%
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
• Detail composite formulation and load ratings to distinguish from generic plastic parts
• Include wear test data proving bearing functionality
• Ensure EU REACH compliance for polymer blends