Ceramic Hybrid Ball Bearing
Ceramic hybrid ball bearing with steel races and ceramic balls for wafer polishers in semiconductor fabrication prep, providing superior wear resistance and minimal particle generation. Falls under HTS 8482.10.50 as other ball bearings. Critical for achieving flatness tolerances on wafer surfaces.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If ceramic balls imported separately from races
Individual bearing balls, even ceramic, classify as bearing parts rather than complete bearings.
If pure ceramic bearings without metal components
All-ceramic articles for machinery may classify under ceramic products if not predominantly bearing function.
If integral to semiconductor wafer testing profilometers
Precision measuring instruments for semiconductor flatness testing take precedence over bearing classification.
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Import Tips & Compliance
• Specify ceramic content and cleanroom compatibility in import docs; critical for classification justification
• Obtain material test reports to avoid reclassification as plastic bearings
• Common issue: undervaluation due to hybrid construction
Related Products under HTS 8482.10.50
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Duplex Matched Ball Bearing Set
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