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High Precision Silicon Nitride Ceramic Bearing Balls with Exceptional Hardness & Strength and Lightweight for High-Speed Performance

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High Precision Silicon Nitride Ceramic Bearing Balls with Exceptional Hardness & Strength and Lightweight for High-Speed Performance

High Precision Silicon Nitride Ceramic Bearing Balls with Exceptional Hardness & Strength and Lightweight for High-Speed Performance
High Precision Silicon Nitride Ceramic Bearing Balls with Exceptional Hardness & Strength and Lightweight for High-Speed Performance High Precision Silicon Nitride Ceramic Bearing Balls with Exceptional Hardness & Strength and Lightweight for High-Speed Performance High Precision Silicon Nitride Ceramic Bearing Balls with Exceptional Hardness & Strength and Lightweight for High-Speed Performance High Precision Silicon Nitride Ceramic Bearing Balls with Exceptional Hardness & Strength and Lightweight for High-Speed Performance

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High Precision Silicon Nitride Ceramic Bearing Balls with Exceptional Hardness & Strength and Lightweight for High-Speed Performance

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High Precision Silicon Nitride Ceramic Bearing Balls

,

Exceptional Hardness & Strength Si₃N₄ Bearing Balls

,

Lightweight for High-Speed Performance Ceramic Bearing Balls

High Precision Silicon Nitride Ceramic Bearing Balls | Si₃N₄
Our Silicon Nitride Ceramic Bearing Balls (Si₃N₄) set the standard for high-performance precision components. Engineered for the most demanding environments, these ceramic balls outperform traditional steel in every key metric. Whether deployed in high-speed bearings, corrosive pump valves, or vacuum applications, silicon nitride delivers exceptional durability, reliability, and efficiency.
Key Features & Benefits
Silicon nitride's unique material properties provide significant engineering advantages over traditional steel bearings:
  • Exceptional Hardness & Strength: With a compressive strength exceeding 1500 MPa and a Vickers hardness of 15-16 GPa, these balls resist indentation and surface fatigue, ensuring a long operational lifespan under heavy loads.
  • Superior Wear & Temperature Resistance: Excellent wear resistance and thermal stability allow for continuous operation in high-temperature environments where steel bearings would fail.
  • Inherent Self-Lubrication: The material's low coefficient of friction provides dry lubrication, making it ideal for vacuum and cleanroom applications where traditional lubricants cannot be used.
  • Lightweight for High-Speed Performance: 59% lighter than steel, silicon nitride balls significantly reduce centrifugal force and skidding in high-speed spindles and aerospace bearings. This enables faster acceleration, higher RPMs, and lower operating temperatures.
  • High Rigidity & Reduced Deformation: With an elastic modulus 44% higher than steel, these balls offer superior stiffness. This minimizes elastic deformation under load, ensuring sub-micron precision in machine tools and precision instruments.
  • Non-Magnetic & Electrically Insulating: Perfectly non-magnetic and possessing high electrical resistivity (10¹⁴ Ω*cm), they are essential for MRI equipment, railway traction motors, and other applications requiring electrical isolation to prevent arcing.
  • Outstanding Corrosion Resistance: Inert to most chemicals and process media, they outperform stainless steel in acidic or corrosive environments, eliminating adhesive wear and contamination.
  • Thermal Shock Resistance: A low coefficient of thermal expansion ensures dimensional stability and resistance to cracking during rapid temperature fluctuations.
Typical Applications
The versatility of silicon nitride allows it to excel across a wide range of industries:
Bearings & Precision Machinery
  • Ultra-high-speed spindles (PCB drilling, machining centers)
  • High-precision instrument and machine tool bearings
  • Vacuum and space-grade bearings
  • High-temperature furnace bearings
  • Precision ball screws and linear guides
Pumps & Valves
  • Valve balls for chemical processing pumps
  • Check valve balls in metering and dosing pumps
  • Bearings for downhole drilling and subsea equipment
Technical Specifications
Property Value Unit
Density 3.20 - 3.26 g/cm³
Apparent Porosity 0 - 0.1 %
Elastic Modulus 300 - 320 GPa
Compressive Strength > 1500 MPa
Vickers Hardness (HV0.5) 15 - 16 GPa
Fracture Toughness > 8.0 MPa*m^(1/2)
Bending Strength > 700 MPa
Poisson's Ratio 0.25 -
Linear Expansion Coefficient 3.1 - 3.3 ×10⁻⁶/°C
Weibull Modulus 11 - 13 -
Thermal Conductivity 20 - 25 W/(m*K)
Specific Resistivity 10¹⁴ Ω*cm
Grades & Availability
We supply Silicon Nitride bearing balls in a full range of precision grades, including G5, G10, G16, and G28. Available in standard and custom sizes to meet your exact specifications.
Contact our engineering team today to discuss your application requirements.

Produit Tag:

Tube de coulée en nitrure de silicium,

Céramiques Si3N4,

Tube en nitrure de silicium

Coordonnées
Shaanxi KeGu New Material Technology Co., Ltd

Personne à contacter: Ms. Yuki

Téléphone: 8615517781293

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À propos

céramique au carbure de silicium

fourches SiC résistantes aux températures élevées avec température maximale de service de 1650 °C et résistance à la flexion de 3800 MPa pour la fabrication de semi-conducteurs

Ruloir SiC sintré sans pression 1650°C résistant à la chaleur pour les fours à rouleaux

Carbure de silicium lié par réaction

Tubes de refroidissement à air de carbure de silicium sintré par réaction pour le refroidissement industriel à haute température, à température maximale de service de 1380 °C et résistance à la flexion de 250 MPa

Brûleur à SiC stable à haute température, résistant aux chocs thermiques et à la corrosion pour fours industriels

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