Silicon Nitride Ceramic Balls

1. Precision-Grade Silicon Nitride Bearing Balls (ISO 3290 Certified)

Technical Superiority

• Density: 3.20g/cm³ (59% lighter than steel)
• Hardness: HRA 92 (78 HRC equivalent)
• Surface Finish: Ra 4-6nm (mirror-grade)
• Certification: ISO 3290 Grade 5-100 compliant

Why Choose Our Bearing Balls?
✓ Energy Saving: Reduce rotational inertia by 30% in EV motors & CNC spindles
✓ Zero Corrosion: Immune to seawater/chemicals (5x lifespan vs steel in marine applications)
✓ EMI Protection: Ideal for MRI machines (non-magnetic, resistivity >10¹⁴Ω·cm)

Key Applications
• Aerospace turbine shaft bearings • Medical imaging equipment • High-frequency spindle motors