Polished Silicon Nitride Si3N4 Ceramic Balls G3-G100 Grade for High-Speed Bearings and Industrial Applications
Our premium polished silicon nitride (Si3N4) ceramic balls are engineered for demanding applications requiring exceptional performance characteristics. These advanced ceramic components offer superior durability and reliability in extreme operating conditions.
Silicon nitride ceramic balls are ideal for bearings with extreme performance requirements:
- High-speed and ultra-high-speed bearings
- High-precision bearings and ball screws
- Vacuum, high-temperature, and low-temperature bearings
- Non-magnetic bearings and chemical pump components
- Valve balls and measuring balls in pumps and metering systems
- Rotating bearing balls and rollers
- Cutting tools and engine moving parts
- Valves, turbocharger rotors, and cam followers
- Tappet shims, turbine blades, and vanes
- Metal tube forming rolls and dies
- Precision shafts and axles in high-wear environments
- Weld positioners and industrial machinery components
| Grade | Vdws | SPH | Vdwl | Ra |
|---|---|---|---|---|
| G3 | 0.05-0.08 | ≤0.08 | <0.13 | 0.01 |
| G5 | 0.08-0.13 | ≤0.13 | <0.25 | 0.014 |
| G10 | 0.15-0.25 | ≤0.25 | <0.5 | 0.02 |
| G16 | 0.2-0.4 | ≤0.4 | <0.8 | <0.025 |
| G20 | 0.3-0.5 | ≤0.5 | <1 | <0.032 |
| G100 | 0.4-0.7 | 0.4-0.7 | <1.4 | <0.0105 |
Wuxi Special Ceramic Electrical Co., Ltd brings over 20 years of specialized ceramic manufacturing expertise. We produce high-quality alumina, silicon nitride, zirconia, steatite, boron nitride, cordierite, and mullite products for diverse industrial applications including metal welding, electronic conductors, mechanical assemblies, insulation systems, chemical processing, instrumentation, textile machinery, nuclear industry, and aerospace sectors.
We offer custom manufacturing services based on your drawings or samples, with trial production typically completed within 15 days and mass production within 30 days. Our packaging options include cartons or pallets, with flexible arrangements available.
We maintain established supply relationships with major international clients including Toshiba Lighting Group in Japan and European markets. Our commitment is to deliver superior quality products with rapid delivery times.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.