Cleanroom Radial Ball Bearing for Wafer Polishers from China
Specialized radial ball bearing for wafer lappers and polishers achieving nanometer flatness on semiconductor surfaces. HTS 8482.10.5064 classification for radial bearings. Polymer cage prevents metal contamination during final wafer preparation.
Duty Rate — China → United States
44%
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
• Require Class 100 cleanroom packaging to maintain certification upon arrival
• Document surface finish specs (Ra < 0.05µm) matching polisher requirements
• Watch for reclassification if bearings exceed 30MPa PV value for high-load apps