Duplex Matched Ball Bearing Set from Germany
Pre-matched duplex angular contact ball bearings for crystal boule grinders in semiconductor wafer manufacturing, providing rigid preload. Classifies under HTS 8482.10.50 as other ball bearings. Used to grind precise diameters and flats indicating crystal properties.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Certify matched pair tolerances; critical for avoiding separate parts classification
• Document semiconductor end-use to support rate
• Common error: declaring as single bearings instead of set