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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as part of a complete crystal puller assembly
Parts of specific semiconductor manufacturing machines may classify under 8482.99 for machinery dedicated to boule production.
If equipped with integrated precision measuring instruments
Bearings with built-in sensors for rotation measurement shift to measuring/testing instruments in Chapter 90.
If for high-precision angular contact types used in axial loads
Angular contact ball bearings separate from standard radial types under different subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Obtain material certificates confirming low-particle generation for cleanroom compatibility in semiconductor fabs
• Verify bearing precision class (e.g
• ABEC 7 or higher) matches equipment specs to avoid reclassification
• Include end-use statements proving semiconductor application to qualify for potential duty exemptions
Related Products under HTS 8482.10.50.64
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.