SN8719 Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 20 mm

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 20 mm Description

Manufactured from a highly advanced engineering ceramic, our G5 Grade Silicon Nitride Bearing Ball (Si3N4) offers exceptional reliability and longevity in demanding applications. With a 20 mm diameter and an ultra-smooth surface, it minimises friction and wear, making it ideal for high-speed and high-precision bearing configurations. Known for its hardness and low density, Silicon Nitride also delivers remarkable resistance to corrosion, thermal shock, and extreme temperatures, ensuring reliable performance in challenging environments.

This premium ceramic ball meets strict industry standards, guaranteeing consistent quality and dimensional accuracy. Its mechanical properties make it suitable for a wide range of applications, from aerospace and automotive to food processing and medical equipment. Invest in a Silicon Nitride Bearing Ball that provides performance, extended service life, and the highest level of precision.

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 20 mm Applications

Silicon Nitride Bearing Balls, specifically Si3N4 Ceramic Ball G5 Grade with a 20 mm diameter, are highly regarded for their durability, lightweight performance, and thermal stability. Their mechanical properties, low friction, and resistance to corrosion make them ideal for a wide range of industrial applications. They reduce wear, improve reliability, and can enhance efficiency in diverse operational environments.

1. Electronics and Semiconductor Equipment

·         High-Speed Spindle Bearings: Used in CNC drilling or milling machines for precision and reduced friction.

·         Wafer Handling Components: Provide stability and contamination-free operation in semiconductor processing environments.

2. Automotive and Industrial Machinery

·         Transmission System Bearings: Offer low friction and high durability for improved efficiency in gearboxes.

·         Pump and Compressor Components: Deliver corrosion resistance and reliable performance under demanding load conditions.

3. Medical Devices and Healthcare

·         Dental Drill Bearings: Enable smooth, low-noise rotations for accurate and comfortable dental procedures.

·         Endoscopic and Surgical Instruments: Provide high wear resistance and ensure cleanliness in critical medical applications.

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 20 mm Packaging

Each 20 mm Silicon Nitride Bearing Ball is securely packaged using shock-absorbent foam inserts and double-walled corrugated boxes to prevent breakage during transit. The interior is lined with sealed plastic pouches to protect from moisture and dust. Additional layers of soft cushioning material reduce impact forces, ensuring pristine condition upon arrival. Custom labelling, brand-specific packaging, and tailored insert designs are available for a personalised customer experience.

Packaging: Foam packaging, Wooden Box, or Customised.

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 20 mm FAQs

Q1: What are the key material properties of Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 20 mm?

A1: Silicon nitride (Si3N4) provides mechanical strength, high wear resistance, and a low friction coefficient. These balls exhibit a density around 3.2 g/cm³, significantly lighter than steel, which reduces rotational inertia and improves bearing life. Their low thermal expansion enhances dimensional stability, while excellent corrosion resistance ensures reliability in harsh environments. With a hardness up to 15 GPa, they support high loads without deformation.

Q2: How can this ceramic product be processed or fabricated?

A2: Silicon nitride bearing balls are typically produced through powder consolidation techniques such as isostatic pressing or uniaxial pressing, followed by high-temperature sintering in a controlled atmosphere. Advanced techniques such as hot isostatic pressing (HIP) can enhance density and mechanical properties. Precise machining and grinding steps refine the ball geometry and surface finish, ensuring a G5 grade standard and minimal surface defects for optimal performance.

Q3: Which quality standards and certifications apply to Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 20 mm?

A3: These Silicon Nitride bearing balls conform to stringent international standards, including ISO 3290 for ball tolerances and ASTM F2094 for ceramic bearing specifications. Manufacturers adhere to specific client or industry requirements, such as aerospace or medical certifications. Rigorous inspection protocols—covering dimensional accuracy, microstructure, and surface integrity—ensure the G5 grade classification. Each batch often undergoes nondestructive testing to confirm uniform properties and performance.

Related Information

1. Material Properties and Advantages

High hardness and corrosion resistance define the Silicon Nitride Bearing Ball (Si3N4 Ceramic Ball) G5 Grade Dia. 20 mm in comparison to traditional steel alternatives. This ceramic composition delivers a low coefficient of friction, ensuring smoother rotations and diminishing wear in high-speed applications. Its microstructure allows it to endure extensive mechanical stresses, making it an appropriate choice for precision assemblies where reliability is essential.

Chemical stability is another key advantage that characterises this bearing ball, particularly under harsh or corrosive conditions. Since silicon nitride does not react with most chemicals, the ball performs consistently even when exposed to lubricants, cleaning agents, or extreme temperatures. Additionally, its lightweight nature reduces the overall mass of rotating components, easing strain on machinery and prolonging operational lifespans.

2. Applications in Advanced Industries

In the aerospace sector, the G5 Grade Dia. 20 mm Silicon Nitride Bearing Ball offers benefits for aircraft assemblies. Its strength-to-weight ratio assists in minimising fuel consumption while maintaining load-bearing capacity, a vital attribute in high-performance aircraft components. Furthermore, the ability to operate under thermal fluctuations renders these ceramic balls essential for flight systems subjected to temperature variations at high altitudes.

Beyond aerospace, the biomedical field increasingly relies on silicon nitride bearings for medical devices. This material’s resistance to wear and corrosion makes it suitable for applications such as surgical equipment that must maintain cleanliness over extended periods. By integrating these high-grade Si3N4 ceramic balls, medical tool manufacturers achieve greater reliability and longevity in devices that demand sanitation and precision.