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 justify classification under HTS 8482.91.00 as bearing rollers.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as ceramic grinding media
Ceramic balls for material processing classified under refractory ceramics, not bearing parts.
If assembled into complete thrust ball bearings
Pre-assembled bearing units shift to complete bearing classification.
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Import Tips & Compliance
• Provide material safety data sheets confirming ceramic composition for duty preference programs
• Document end-use in precision bearings to distinguish from industrial ceramic grinding media
• Anti-dumping duties may apply; check Commerce Department scopes for Chinese-origin ceramics
Related Products under HTS 8482.91.00
Precision Tungsten Carbide Bearing Balls
Ultra-hard tungsten carbide balls for extreme wear applications in pump seals and precision instruments. Classified as bearing balls under HTS 8482.91.00 despite specialized applications.
Cylindrical Roller Bearing Elements
Straight cylindrical steel rollers for radial roller bearings in electric motors and conveyor systems. Their barrel-free profile classifies them under HTS 8482.91.00 as bearing rollers.
Miniature Bearing Balls
Micro-precision steel balls (1-5mm diameter) for miniature bearings in computer HDDs, medical devices, and precision instruments. HTS 8482.91.00 covers all bearing ball sizes.
Spherical Bearing Rollers
Barrel-shaped rollers with spherical outer surfaces for self-aligning roller bearings in mining equipment. The convex profile compensates for shaft misalignment under HTS 8482.91.00.
High-Carbon Chrome Roller Pins
Hardened high-carbon chrome steel rollers functioning as needles in planetary gear bearings. Classified under HTS 8482.91.00 for bearing applications.
Glass Bearing Balls
Precision soda-lime glass balls for low-load instrumentation bearings and fiber optic connectors. Non-magnetic properties ideal for sensitive applications under HTS 8482.91.00.