Wafer Grinder Spindle Bearing Kit from China
An ultra-precision air bearing kit for wafer grinder spindles of heading 84.65, providing sub-micron runout for flatness-critical semiconductor wafer processing. The kit includes cleanroom-compatible ceramic hybrid bearings. It is classified under tariff item 8466.92.00 as a part for machines of heading 84.65.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the bearing kit is declared as a part of a wafer grinder, not as a general bearing under heading 84.82
• Provide technical specifications showing its specific design for wafer grinder spindles