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High-performance Silicon Nitride Ceramic Balls deliver exceptional mechanical strength, lightweight durability, and thermal stability for precision engineering applications. These Silicon Nitride Ceramic Balls feature ultra-low friction, high wear resistance, and non-magnetic insulation, ideal for high-speed bearings, motors, aerospace components, and chemical equipment. Resistant to corrosion, oxidation, and extreme temperatures, Silicon Nitride Ceramic Balls extend service life under harsh dynamic loads compared to steel balls. Available in G3–G10 precision grades, polished surface ensures smooth rotation, reduces noise, and improves energy efficiency. Widely used in automotive, electronics, medical instruments, and industrial high-speed machinery.
| Item | Technical Parameters |
|---|---|
| Material | Silicon Nitride Ceramic (Si₃N₄) |
| Color | Dark Gray / Black Sintered Surface |
| Density | 3.20–3.25 g/cm³ |
| Hardness | ≥1500 HV High Hardness Wear Resistant |
| Fracture Toughness | ≥6.5 MPa·m¹ᐟ² Impact Resistant |
| Compressive Strength | ≥3500 MPa Ultra High Load Capacity |
| Precision Grade | G3, G5, G10, G16 Ultra Precision Polished |
| Size Range | 1mm–50mm Standard Sizes, Custom OEM Available |
| Working Temperature | -196℃ ~ 1200℃ Thermal Shock Resistant |
| Electrical Property | Nonmagnetic, Insulating, Antistatic |
| Chemical Resistance | Acid / Alkali Corrosion Proof, Oxidation Resistant |
| Typical Applications | Highspeed Bearings, Motors, Aerospace, Automotive, Pumps, Valves |
Silicon nitride ceramic balls are widely used in high‑speed spindle bearings, motor bearings, and precision instrument bearings. Lightweight, low friction and wear‑resistant, they reduce heat generation, improve speed stability and extend lubrication life under continuous dynamic load.
Applied in engine valve train components, turbocharger bearings, fuel pump parts and hybrid motor bearings. Silicon nitride ceramic balls feature high temperature resistance, corrosion resistance and anti‑fatigue performance, suitable for harsh vibration and thermal cycle working conditions.
Used in aircraft accessory bearings, guidance mechanisms and high‑speed rotating assemblies. Non‑magnetic, insulating and ultra‑high strength, silicon nitride ceramic balls maintain dimensional stability under extreme temperature, pressure and lightweight design requirements.
Replace metal balls in chemical circulation pumps, metering valves and seawater equipment. Silicon nitride ceramic balls resist acid, alkali, salt erosion and oxidation, avoiding rust jamming and particle pollution, ensuring long‑term stable operation.
Suitable for high‑precision micro bearings, dental handpieces, surgical instruments and semiconductor handling mechanisms. Non‑magnetic, insulating, smooth surface and low particle shedding, silicon nitride ceramic balls meet clean, silent and high‑precision rotation demands.
Silicon Nitride Ceramic Balls are significantly lighter, offer lower friction, higher hardness (≥1500 HV), and superior thermal shock resistance (-196℃ to 1200℃). They are non-magnetic, corrosion-resistant, and extend component service life under extreme dynamic loads.
They are available in ultra-precision polished grades including G3, G5, G10, and G16, with standard sizes ranging from 1mm to 50mm. Custom OEM specifications are also supported.
Yes, Silicon Nitride (Si₃N₄) ceramic balls feature excellent chemical resistance against acid, alkali, and salt erosion, preventing rust jamming and particle contamination in chemical pumps and valves.
Absoutely. They possess non-magnetic, electrical insulating, and antistatic properties, making them perfect for medical equipment, semiconductor machinery, and high-speed electric motors.
They can maintain high dimensional stability, structural integrity, and compressive strength (≥3500 MPa) within a temperature range of -196℃ up to 1200℃.
