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Delivered more than 50 design including remodeling
Delivered more than 50 design including remodeling
Silicon nitride ceramic bearings (Si₃N₄) deliver outstanding performance in high-speed and extreme environments. With low density, high hardness, and excellent thermal stability, they reduce friction, extend lifespan, and offer superior corrosion resistance and electrical insulation. Ideal for electric motors, aerospace, and precision machinery.
Engineered for demanding applications, these ceramic ball bearings support higher rotational speeds and improved energy efficiency. Their resistance to heat, chemicals, and moisture ensures stable operation in harsh conditions, with both hybrid and full ceramic options available.
We offer flexible OEM ceramic bearing services, including custom sizes, performance optimization, and application-specific designs. From prototyping to mass production, we ensure consistent quality, fast delivery, and reliable global supply for industrial and high-tech applications.
Discover high-performance silicon nitride ceramic bearings designed for extreme environments, high-speed applications, and superior wear resistance. Ideal for aerospace, electric motors, and precision machinery. OEM customization available with reliable quality and fast delivery.
Silicon nitride ceramic bearings enable significantly higher rotational speeds due to low density and reduced centrifugal force. This minimizes heat generation and friction, making them ideal for high-speed electric motors, spindles, and precision machinery requiring stable, efficient operation.
With exceptional hardness and surface smoothness, Si3N4 ceramic bearings deliver outstanding wear resistance and reduced surface fatigue. This results in longer service life, lower maintenance costs, and consistent performance in demanding industrial and high-load environments.
Unlike steel, ceramic ball bearings resist corrosion, oxidation, and chemical exposure effectively. They perform reliably in humid, marine, and chemically aggressive environments, ensuring long-term durability where conventional bearings would degrade or fail prematurely.
Silicon nitride bearings maintain structural integrity under high temperatures and provide natural electrical insulation. This prevents current damage in electric motors and enhances safety and reliability in high-temperature, high-voltage, and precision electronic applications.
Make your first quality for electrical services Find Your Solution
Silicon nitride heaters provide fast, reliable ignition for furnaces, boilers, pellet stoves, biomass burners, and industrial heating equipment.
Silicon nitride bearings are used in EV motors, high-speed drive systems, compressors, pumps, and powertrain components
Silicon nitride heaters provide fast, stable, and energy-efficient heating for industrial thermal equipment, with excellent thermal shock resistance and long service life.
For CNC machines and high-speed spindles, silicon nitride bearings reduce friction, vibration, and heat. This enables higher rotational speeds.
Explore the most common questions about silicon nitride ceramic bearings, including performance advantages, applications, maintenance, and OEM customization. This section provides clear, expert-backed insights to help engineers and buyers make informed decisions for high-speed, high-reliability applications.
Advanced Structural Ceramics | ISO 3290-2 Precision Compliance
| Property | Unit | Si3N4 (GPS) | Bearing Steel (GCr15) |
|---|---|---|---|
| Density | g/cm³ | 3.20 - 3.26 | 7.81 |
| Elastic Modulus | GPa | 310 - 320 | 208 |
| Hardness (HV10) | kg/mm² | 1500 - 1800 | 700 - 800 |
| Poisson's Ratio | - | 0.26 | 0.30 |
| CTE (20-500°C) | 10⁻⁶/K | 3.2 | 12.5 |
| Insulation Voltage | kV | > 2.5 (Standard Ball) | Conductor |
| Grade Parameter | Unit | G5 (Premium) | G10 (Standard) |
|---|---|---|---|
| Ball Diameter Variation (Vdw) | µm | ≤ 0.13 | ≤ 0.25 |
| Spherical Form Deviation (ΔRw) | µm | ≤ 0.13 | ≤ 0.25 |
| Surface Roughness (Ra) | µm | ≤ 0.014 | ≤ 0.020 |
| Lot Diameter Variation (VdL) | µm | ≤ 0.25 | ≤ 0.50 |
At Ceramitell, we don’t just machine ceramics; we master the material science behind them. Our components are crafted from premium Beta-Silicon Nitride, characterized by its unique hexagonal crystal structure (Space Group: P63/m).
As shown in the crystallographic model, the strong covalent bonding and interlocking SiN4 tetrahedra provide the exceptional fracture toughness and thermal shock resistance that our clients demand. By optimizing the phase transformation and grain growth during the sintering process, we ensure that every precision-machined part leverages these atomic-level advantages:
Exceptional Hardness: Ideal for high-wear environments and heavy-duty industrial applications.
Thermal Stability: Maintains structural integrity at temperatures exceeding 1800°F (1000°C).
Optimized Microstructure: Our deep expertise in machining Beta-phase ceramics ensures minimal surface defects and maximum component lifespan.
Whether you require complex geometries for semiconductor equipment or high-strength components for automotive engineering, our technical expertise guarantees a solution where material science meets precision craftsmanship.
An expert in industrial ceramic materials with 15 years of specialized experience in silicon nitride ceramics, providing customized solutions to meet the needs of various industries.
Ceramitell – Precision Industrial Ceramics Expert, specializing in silicon nitride ceramic igniters, ceramic bearings, ceramic balls, grinding media, and custom silicon nitride components. Professional ODM/OEM manufacturer delivering high-performance industrial ceramic solutions.
