Miniature Ball Bearing Race Set from China
Matched inner and outer races (ID 1.5mm) for miniature ball bearings in semiconductor probe cards and handlers. Super-lapped for sub-micron tolerances required in wafer testing. Both rings classified under HTS 8482.99.05.00 for ball bearings.
Duty Rate — China → United States
44.9%
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
• Invoice as separate inner/outer races even if matched; avoid 'set' language that implies assembly
• Provide bore/runout specs (≤0.3 μm TIR) proving instrument-grade precision
• For Japanese suppliers, confirm JIS B 1514 standards compliance