Miniature Ball Bearing Race Set from Japan
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 — Japan → United States
34.9%
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 of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 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