Product Description

Space Proof Si3N4 Balls Used in Satellites & Extreme Environments

Understanding Silicon Nitride: A Material for the Future

Key Properties of Si3N4 Balls

1. Compressive Strength: Silicon nitride boasts a compressive strength of up to 4000 MPa, significantly surpassing traditional materials like steel, which generally offer around 2500-3000 MPa. This makes Si3N4 balls suitable for handling high pressures in aerospace systems.
2. Lightweight Advantage: Si3N4 is 30-40% lighter than steel, reducing the weight of critical components and enhancing fuel efficiency and payload capacity—key considerations in aerospace engineering.
3. Thermal Resistance: Silicon nitride maintains its strength even at temperatures exceeding 1000°C, making it ideal for environments such as jet engines and space missions, where extreme heat is commonplace.
4. Wear and Corrosion Resistance: The material resists wear and corrosion, functioning reliably in vacuum environments, high humidity, or without lubrication. This reduces maintenance needs and extends the lifespan of components.

Applications in Aerospace: From Satellites to Space Missions

Satellites and Space Probes

Case Study: Satellite Manufacturer

Jet Engines and Turbines

Broader Impact and Industry Adoption

Environmental Benefits

●Description:

Silicon Nitride Ceramic Ball is the most ideal bearing ball for bearing applications, due to the excellent properties of silicon nitride ceramics, it has many irreplaceable advantages comparing to traditional steel materials, such as: high mechanical strength, low wear loss, good self-lubrication, low density, high corrosion resistance, good electrical insulation etc.

Therefore, Silicon Nitride Balls are mostly used for some harsh working conditions: high speed/super speed bearings, high precision bearings, bearings in vacuum, high/low temperature bearings.

Moreover, Silicon Nitride Ceramic Balls can also used as valve ball or measurement balls in chemical pumps/high temperature pumps/metdering pumps.

●Physical Properties:

● Ball Sizes/Grade :

Exhibition & Partner

Case

Ship to South Korea

Ship to Spain

FAQ

1. What sizes and tolerances are available?

• Diameter range: 0.5mm to 50mm (custom sizes possible).

• Sphericity: As low as 0.1µm (Grade 5 for ultra-precision bearings).

• Surface finish: Ra < 0.02µm (mirror polish for low friction).

2. Are silicon nitride balls FDA-approved for medical use?

Yes! Si3N4 is biocompatible (ISO 6474-1) and used in spinal implants, dental devices, and joint replacements due to its antibacterial properties.

3. How do I choose the right Si3N4 balls for my application?

Consider:

• Load & speed requirements (dynamic/static stress).

• Temperature range (Si3N4 excels in high heat).

• Chemical exposure (resistant to most acids/alkalis).

• Electrical insulation needs (non-conductive).

Guangzhou Zoli Technology Co., Ltd.  specializes in the development and production of high-performance metallic and non-metallic materials, as well as cutting-edge nanotechnology solutions for precision grinding and material processing. With a strong foundation in innovative grinding and milling technologies, we have established ourselves as a leader in the field of precision particle size reduction and material processing.

Zoli Currently operates two state-of-the-art R&D and manufacturing facilities located in Guangzhou, employing over 60 skilled professionals and covering a total production area of more than 6,000 square meters. Our product portfolio includes advanced milling equipment designed for applications in materials science, pharmaceuticals, ceramics, metallurgy, and nanotechnology. They are widely utilized across a diverse range of industries, including renewable energy, telecommunications, consumer electronics, and biomedical devices. 

At our core, we are committed to delivering high-performance, reliable, and innovative milling solutions that meet the evolving needs of our customers. By combining superior engineering with a customer-centric approach, we strive to build long-term partnerships and contribute to the advancement of material science and technology worldwide.