SN8720 Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 25.4 mm

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 25.4 mm Description

Experience optimal performance and reliability with our Silicon Nitride Bearing Ball, manufactured from Si3N4 ceramic and engineered to a precise G5 grade for enhanced dimensional accuracy. With a 25.4 mm diameter, this advanced ceramic solution is recognised for its high hardness, low density, and exceptional resistance to wear, corrosion, and extreme temperatures. Due to its low friction coefficient, it achieves increased speed and efficiency, making it an ideal choice for high-speed bearings across various industries.

Manufactured to exceed strict quality standards, this ceramic ball guarantees consistent performance under demanding conditions. Whether you need to enhance machine tool spindles, electric motors, or aerospace components, our Silicon Nitride Bearing Ball ensures long service life, reduced maintenance, and overall cost benefits. Invest in technology that delivers both reliability and operational efficiency.

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 25.4 mm Applications

Silicon Nitride (Si3N4) bearing balls of G5 grade and 25.4 mm diameter provide exceptional strength, low friction, and excellent resistance to wear. Their thermal stability and corrosion resistance make them ideal for environments subject to high temperatures, aggressive chemicals, or repeated mechanical stress. These features ensure smoother operation and a longer service life across diverse industries—including electronics, chemical processing, and medical applications—where reliability is essential.

1. Electronics and Semiconductor Applications

·         Precision Wafer Handling: Si3N4 balls minimise contamination and ensure smooth motion in wafer transport systems

·         High-Speed Spindle Bearings: Their low friction and thermal stability enable faster operation in semiconductor fabrication equipment

2. Chemical Processing Applications

·         Corrosion-Resistant Valves: These bearing balls maintain integrity and performance when exposed to harsh chemicals

·         Pump Components: They reduce wear and extend service intervals in pumps operating in aggressive or abrasive fluid streams

3. Medical and Healthcare Applications

·         Surgical Instrument Bearings: The biocompatible, non-corrosive nature of Si3N4 enhances reliability and sterility

·         Laboratory Equipment: Their high durability and low particle generation support precise operation in sensitive testing and diagnostic devices

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 25.4 mm Packaging

For shipping, we use strong protective materials, including multi-layer foam inserts, to cushion and protect the Si3N4 Ceramic Ball G5 Grade (25.4 mm). Each ball is individually sealed in plastic sleeves to prevent contamination and reduce breakage risks. Moulded foam trays provide additional shock absorption. Custom packaging solutions are available upon request, ensuring secure and tailored product delivery.

Packaging: Foam packaging, Wooden Box, or Customised.

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 25.4 mm FAQs

Q1: What are the key material properties of Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 25.4 mm?

A1: Silicon Nitride (Si3N4) is known for its exceptional hardness, low density, and excellent fracture toughness. It can withstand high temperatures up to 1,200°C, making it suitable for demanding environments. The ball’s G5 precision grade ensures minimal surface roughness, leading to lower friction and improved performance. Additionally, the material is chemically inert, offering resistance to corrosion and wear, which extends its service life in various applications.

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

A2: These Silicon Nitride balls are typically produced through powder processing, sintering, and precision grinding, resulting in optimal dimensional stability and surface finish. The powder is compacted under high pressure and temperature, often using hot isostatic pressing, to achieve a fully dense, near-net shape. The final product undergoes rigorous lapping and polishing to achieve the G5 precision grade, ensuring tight dimensional tolerances and an exceptionally smooth, uniform surface.

Q3: Which quality standards and certifications apply to Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 25.4 mm?

A3: Silicon Nitride Bearing Ball G5 products commonly adhere to ASTM F2094, which specifies material and dimensional requirements for ceramic bearing components. They are also often inspected to meet ISO 3290 requirements for ball roundness and surface finish. Many manufacturers maintain ISO 9001 quality management certification, ensuring consistent production and traceability. Final inspection includes advanced non-destructive testing and metrology checks to confirm the product meets strict performance and reliability benchmarks.

Related Information

1. Material Properties and Advantages

Engineered meticulously from a specialised silicon nitride formulation, the G5 grade 25.4 mm bearing ball provides a remarkable balance of toughness and lightweight construction. Its high compressive strength and consistent grain structure help reduce the risk of cracks under heavy loads, giving it an edge in high-pressure environments. Furthermore, the ceramic’s low thermal expansion maintains optimal dimensional stability, which proves critical for applications requiring tight tolerances.

Moreover, the non-corrosive nature of Si3N4 allows this bearing ball to withstand harsh chemical and moisture-laden conditions without compromising performance. This resilience not only prolongs operational lifespans but also reduces maintenance frequency, making it a cost-effective choice for industries that prioritise reliability and long-term value. Additionally, the smoother surface finish of the G5 grade translates into decreased friction, enabling higher rotational speeds with minimal noise.

2. Comparative Analysis with Alternative Materials

By comparing this silicon nitride G5 ceramic ball with hardened steel and other advanced ceramic options, it is evident that Si3N4 holds a distinctive position in terms of overall performance. Unlike steel bearings, which can be prone to corrosion and wear, these ceramic balls exhibit impressive endurance under both high and low temperatures. They also deliver a high strength-to-weight ratio, enhancing efficiency in applications where mass reduction is significant.

Taking operational longevity into account, the ceramic composition stands out by reducing the need for frequent lubrication, thereby eliminating some of the upkeep challenges faced by metal-bearing counterparts. This heightened durability results in fewer component replacements, ultimately lowering downtime and costs. As industries push towards faster, lighter, and more streamlined systems, Si3N4 bearing balls demonstrate continued relevance as a forward-focused solution.