High-Precision Wafer Polisher Roller Bearing Outer Race from Germany
Ultra-precision outer ring for cylindrical roller bearings in chemical-mechanical wafer polishers achieving mirror-finish surfaces for semiconductor fabrication. Designed for high-speed, low-vibration polishing platens. Classified 8482.99.2560 for other cylindrical roller bearing outer rings.
Duty Rate — Germany → United States
30.8%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify polishing tolerances (e.g
• <1nm roughness) to justify precision classification
• Provide CMP (chemical mechanical polishing) equipment compatibility certification
• Avoid classification as polishing machine parts (8464) by emphasizing bearing function