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Duty Rate (from China)
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
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]
Products classified under HTS 8482.10.50.64
Precision Radial Ball Bearing for Wafer Crystal Pullers
This high-precision radial ball bearing is designed for use in crystal growers and pullers during semiconductor wafer manufacturing, supporting rotating shafts under ultra-clean conditions. It falls under HTS 8482.10.5064 as a radial ball bearing not specified elsewhere. Its low-friction and contamination-resistant design ensures smooth operation in Czochralski method crystal growth equipment.
Miniature Radial Ball Bearing for Wafer Grinding Machines
Miniature radial ball bearing optimized for crystal grinders that shape semiconductor boules to exact diameters and flats. Classified under HTS 8482.10.5064 for other radial ball bearings. Features corrosion-resistant coatings for harsh chemical environments in wafer preparation.
High-Speed Radial Ball Bearing for Wafer Slicing Saws
Radial ball bearing engineered for high RPM diamond wafer slicing saws that cut monocrystalline boules into thin wafers. Under HTS 8482.10.5064 as other radial bearings. Ceramic hybrid construction reduces heat and particles during continuous operation.
Cleanroom Radial Ball Bearing for Wafer Polishers
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.
Vacuum-Compatible Radial Ball Bearing for Semiconductor Crystal Grinders
Radial ball bearing with dry lubricant for vacuum chamber crystal grinders in semiconductor production. Falls under HTS 8482.10.5064 as other radial bearing. Eliminates hydrocarbon outgassing critical for float zone crystal growth.