PTFE-Lined Bushing for Wafer Slicing Saw Spindle from Canada
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.
Duty Rate — Canada → United States
29.5%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• 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