SN8721 Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 40 mm

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 40 mm Description

Crafted from high-purity silicon nitride (Si3N4), this G5 Grade 40 mm ceramic bearing ball delivers exceptional performance in demanding industrial environments. Its tight dimensional tolerance and spherical accuracy significantly reduce friction and wear, prolonging service life in applications where precision is essential. Engineered for strength and low density, this Si3N4 ball resists thermal expansion and corrosion, maintaining stability even in high-temperature, high-speed conditions.

Widely used in aerospace, automotive, and high-speed machining applications, this ceramic ball meets strict quality standards to ensure consistent reliability. Its hardness and smooth surface finish reduce the likelihood of fatigue failure, making it a suitable choice for mission-critical operations. Optimise your equipment’s performance and longevity with the durability and advanced material properties of this silicon nitride bearing ball.

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 40 mm Applications

Silicon Nitride bearing balls (Si3N4) are recognised for their notable hardness, low density, and superior wear resistance. With a G5 precision grade and a 40 mm diameter, these ceramic balls deliver exceptional performance in various demanding applications. Their excellent thermal stability and chemical inertness make them a preferred choice for industries seeking to enhance efficiency, reliability, and longevity in operations where precision and durability are critical.

1. Electronics and Semiconductor Applications

·         Wafer Processing Equipment: Silicon Nitride balls help minimise particulate contamination and provide stable, long-lasting performance.

·         Circuit Reliability Testing: Their excellent thermal stability ensures precise, repeatable results under varying temperatures.

2. Automotive and Manufacturing Applications

·         High-Speed Bearings: Low density and high strength support smooth operation in motors and pumps, reducing overall maintenance costs.

·         Transmission Systems: Outstanding wear resistance ensures extended service life in challenging manufacturing and automotive environments.

3. Medical and Healthcare Equipment

·         Diagnostic Device Bearings: Non-magnetic properties and chemical inertness offer reliable performance in sensitive medical equipment.

·         Lab Centrifuge Components: The low friction and superior hardness of Si3N4 ensure accurate, consistent results in laboratory settings.

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 40 mm Packaging

Each 40 mm Si3N4 Ceramic Ball is carefully wrapped in sealed protective film to keep out contaminants, then placed in snug foam inserts to prevent movement or breakage during transit. Additionally, our packaging features sturdy corrugated cardboard boxes with reinforced edges. Customisation options, such as branded labels, specialised foam shapes, and bulk packaging, are available to meet specific shipping and handling requirements.

Packaging: Foam packaging, Wooden Box, or Customised.

Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 40 mm FAQs

Q1: What are the key material properties of Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 40 mm?

A1: Silicon Nitride Bearing Balls, specifically Si3N4 G5 Grade at 40 mm diameter, exhibit high hardness, exceptional wear resistance, and impressive fracture toughness. Their low density assists in reducing centrifugal forces at high speeds, while their lubricity decreases friction. Additionally, they display excellent thermal stability, chemical inertness, and resistance to corrosion, making them ideal for demanding applications in aerospace, automotive, and industrial machinery.

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

A2: Silicon Nitride ball production commonly involves powder preparation, shaping, and sintering techniques such as hot pressing or Hot Isostatic Pressing (HIP). The process consolidates fine Si3N4 powders under high temperature and pressure, promoting densification and a uniform grain structure. After sintering, precision grinding and polishing achieve the G5 tolerance level. Strict control of temperature, atmosphere, and additive compositions ensures consistent quality, mechanical strength, and dimensional accuracy.

Q3: Which quality standards and certifications apply to Silicon Nitride Bearing Ball, Si3N4 Ceramic Ball G5 Grade Dia. 40 mm?

A3: These balls typically comply with strict industry guidelines such as ISO 3290 for bearing ball tolerances and ASTM F2094 for advanced ceramic materials. In many cases, manufacturers also adhere to quality control systems like ISO 9001 to ensure consistent production and traceability. Additional certifications, including Nadcap for aerospace applications, verify that the materials meet stringent environmental and performance requirements.

Related Information

1. Quality Control Measures

Rigorous inspection protocols ensure each 40 mm diameter G5 grade Si3N4 ceramic ball maintains exacting dimensional accuracy and surface finish. Dedicated measurement equipment, such as high-precision coordinate measuring machines and optical comparators, meticulously verifies spherical tolerances, roundness levels, and overall geometry.

Advanced nondestructive testing methods provide additional assurance of structural integrity by detecting microscopic defects or hidden fractures. These stringent measures help maintain the ball’s reliability under high-stress conditions, ensuring consistent performance in dynamic bearing applications.

2. Applications in Advanced Industries

Industries such as aerospace and medical device manufacturing rely on G5 grade Silicon Nitride Bearing Balls for their ability to endure extreme conditions without compromising performance. Their lightweight profile and exceptional corrosion resistance make these ceramic balls indispensable in high-speed and high-temperature applications.

By leveraging the mechanical properties of Si3N4, industries can achieve higher productivity and longer operational lifespans for critical components. The 40 mm diameter ball’s low friction and wear characteristics significantly reduce maintenance costs, highlighting its value across a wide range of engineering fields.