Reaction-Bonded Silicon Carbide Bearing Races from Mexico
RBSC ceramic races for custom technical bearings in chemical processing plants. Reaction-bonded and fired for dimensional stability in aggressive environments. Classified HTS 6909.19.50.10 for ceramic bearing components.
Duty Rate — Mexico → United States
14%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify reaction-bonding doesn't introduce metallic phases exceeding cermet limits
• Use technical data sheets showing <3% water absorption per US notes
• Prevent Chapter 95 classification by excluding toy/sport dimensions