High-G Centrifuge Bearing Housing from Canada
Aluminum housing for precision bearings in high-G force centrifuges used for float zone crystal purification in semiconductors. Classified 8421.91.60.00 as essential other part maintaining alignment under extreme speeds. Vibration-dampening design for defect-free processing.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide dynamic balance test certificates for high-speed validation
• Classify as 'centrifuge-specific' to avoid generic bearing housing under 8483
• Consider Section 301 exclusions for semiconductor equipment parts