Alloy Steel Bearing Balls for Semiconductor Wafer Crystal Pullers
Precision-ground alloy steel balls used in the high-speed rotating mechanisms of Czochralski crystal pullers for growing monocrystalline silicon boules in semiconductor manufacturing. These balls minimize friction in the bearing assemblies and are classified under tariff item 8482.91.00 as balls for ball bearings.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the balls are part of a larger bearing assembly
Complete bearings or their other parts are classified under different subheadings of heading 84.82.
If the balls are not of bearing quality
Non-precision steel balls fall under other articles of iron or steel.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the balls are precision-ground and meet the dimensional tolerances for bearing balls to qualify under this tariff item
• Be prepared to declare the end-use in semiconductor manufacturing if asked by the CBSA
• Check if the goods qualify for duty-free treatment under the Information Technology Agreement
Related Products under Tariff item 8482.91.00
1/8 Inch Stainless Steel Bearing Balls
Corrosion-resistant 1/8 inch 440C stainless steel balls for bearings in float zone crystal pullers, maintaining purity in semiconductor boule growth. These balls are classified under tariff item 8482.91.00 as bearing balls, specifically as other balls due to their size and application.
3mm Grade 10 Zirconia Oxide Bearing Balls
Zirconia oxide balls for low-friction bearings in Czochralski crystal growers, critical for smooth rotation in semiconductor wafer production. These advanced ceramic balls are classified under tariff item 8482.91.00 as other balls for bearings.
Anti-Magnetic 2mm Bearing Balls
Low-magnetic 17-4 PH stainless balls for cleanroom bearings in wafer fabs, preventing contamination in semiconductor processing. These balls are classified under tariff item 8482.91.00 as bearing balls, specifically for their anti-magnetic properties.
Automotive Wheel Bearing Balls
High-volume chrome steel balls engineered specifically for automotive hub and wheel bearings. These precision-ground balls are designed to handle combined radial and axial loads, making them essential components in automotive bearing assemblies.
Ceramic Silicon Nitride Bearing Balls
High-performance silicon nitride ceramic balls for hybrid bearings in high-speed automotive and aerospace applications. Their non-magnetic and corrosion-resistant properties make them ideal for demanding environments where steel balls would fail.
Chrome Steel Bearing Balls
Precision-ground chrome steel balls used as rolling elements in ball bearings for industrial machinery. These balls feature high hardness and wear resistance, ensuring reliable performance in heavy-duty applications.