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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as 'matched set' with multiple bearings
Matched bearing sets for precise alignment have separate statistical reporting.
If when imported specifically as replacement part for wafer grinder machines
Parts solely for semiconductor wafer prep machines may fall under machines and mechanical appliances heading.
If designed as needle roller bearing variant
Different roller element type changes from ball to roller bearing classification.
Not sure which classification is right?
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Import Tips & Compliance
• Provide dimensional tolerance certificates (e.g
• ISO 286) critical for boule grinding precision
• Label with 'semiconductor grade' to distinguish from general industrial bearings during customs review
• Avoid common pitfall of missing RoHS compliance docs for electronics manufacturing imports
Related Products under HTS 8482.10.50.64
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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.
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
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Vacuum-Compatible Radial Ball Bearing for Semiconductor Crystal Grinders
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