Crystal Boule Grinder Cylindrical Roller Bearing Inner Ring from China
Specialized inner race for cylindrical roller bearings supporting heavy-duty grinding spindles in crystal boule grinders for semiconductor wafer preparation. Provides exceptional rigidity for flat grinding to indicate crystal conductivity type. Under 8482.99.2560 as inner ring for other cylindrical roller bearings.
Duty Rate — China → United States
40.8%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Include grind flat specifications and conductivity marking requirements in import docs
• Distinguish from general metalworking grinders by providing semiconductor boule processing context
• Verify ring material meets vacuum-compatible standards for crystal growth equipment