PTFE-Lined Bushing for Wafer Slicing Saw Spindle from China

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 — China → United States

39.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)

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