Ceramic Cylindrical Roller for High-Speed Bearings
Silicon nitride ceramic cylindrical rollers for hybrid bearings in high-speed spindles and electric vehicles. Under HTS 8482.91.0080 as other cylindrical rollers, valued for low friction and heat resistance. Ideal for semiconductor manufacturing tools.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported in bulk as ceramic articles without bearing specs
Unspecified ceramic crucibles or articles fall under Chapter 69.
If for semiconductor wafer processing machines
Statistical note provisions cover semiconductor manufacturing equipment parts.
If insulating ceramic rollers for electrical equipment
Ceramic insulators classify under Chapter 85 electrical insulating fittings.
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Import Tips & Compliance
• Include material test reports confirming ceramic composition; anti-dumping scrutiny common for Asian imports
• Pitfall: hybrid bearing assemblies classify differently from loose rollers
Related Products under HTS 8482.91.00.80
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