Hiwin HGH20CA Linear Carriage Block from China
Hiwin HGH20CA is a heavy-load linear ball bearing block with equal load in all directions, used in semiconductor wafer polishing equipment for precise table motion. Falls under HTS 8482.10.5012 as a complete linear bearing unit.
Duty Rate — China → United States
44%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Classify based on complete unit (block + balls + retainer); loose balls classify differently under 8482.91
• Provide assembly drawings showing 4-row circular-arc contact ball path design
• For anti-creep versions, include performance test data distinguishing from standard blocks