For other cylindrical roller bearings
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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 8482.99.65.60
Cylindrical Roller Bearing Cage for Semiconductor Wafer Pullers
This precision-machined cage is designed specifically for cylindrical roller bearings used in crystal pullers during semiconductor boule production via the Czochralski method. It maintains roller separation and alignment under high-temperature, vacuum conditions essential for growing monocrystalline silicon. Classified under 8482.99.65.60 as a part for other cylindrical roller bearings in semiconductor manufacturing equipment.
Outer Ring for Cylindrical Roller Bearings in Wafer Slicing Saws
Precision outer ring component for cylindrical roller bearings in diamond wafer slicing saws that cut monocrystalline semiconductor boules into wafers. Engineered for high-speed, vibration-free operation to maintain slice precision within microns. Falls under 8482.99.65.60 as a part for cylindrical roller bearings in semiconductor wafer preparation equipment.
Inner Race for Bearings in Semiconductor Wafer Grinders
Hardened steel inner race for cylindrical roller bearings supporting rotating platens in wafer grinders that achieve precise wafer thickness for fabrication. Designed for ultra-flatness maintenance during back-grinding processes on silicon wafers. Classified in 8482.99.65.60 for cylindrical roller bearing parts used in wafer preparation equipment.
Roller Retainer for Crystal Boule Grinders
Special alloy retainer assembly holding cylindrical rollers in bearings for crystal grinders that shape semiconductor boules to exact wafer diameters. Withstands abrasive silicon carbide particles during flat grinding operations. HTS 8482.99.65.60 applies to such parts for cylindrical roller bearings in semiconductor crystal preparation.
Precision Roller Set for Wafer Lapping Machine Bearings
Matched set of super-precision cylindrical rollers for bearings in wafer lappers that achieve mirror-surface flatness before device fabrication. Silicon nitride coated for contamination-free operation in cleanrooms. Part of 8482.99.65.60 for semiconductor wafer preparation bearings.
High-Temperature Cage for Float Zone Crystal Puller Bearings
Inconel alloy cage for cylindrical roller bearings in float zone crystal pullers producing ultra-pure silicon boules without crucibles. Rated for 1400°C operation during zone refining process. 8482.99.65.60 covers parts for such semiconductor crystal growing equipment bearings.