PTFE-Lined Bushing for Wafer Slicing Saw Spindle
A low-friction PTFE-lined steel plain shaft bearing without housing, fitted on spindles of wafer slicing saws that cut monocrystalline semiconductor boules into thin wafers. It qualifies for HTS 8483.30.8090 as an unlubricated plain shaft bearing optimized for cleanroom semiconductor fabrication.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily plastic/PTFE without metal backing
Predominantly plastic articles not specially shaped for bearings go to Chapter 39.
If as part of complete wafer slicing machine
Semiconductor wafer processing machines classify parts in 8479 if integral.
If incorporates ball/roller elements
Hybrid designs with rolling elements fall under bearing housings with balls/rollers.
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Import Tips & Compliance
• Document PTFE lining thickness and cleanroom compatibility to distinguish from basic plastic articles
• Avoid bundling with saw housing to prevent classification as complete bearing housing assembly
• Comply with REACH/RoHS for PTFE materials in electronics supply chain
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