50 – 5/32" (0.15625") Grade 5 Silicon Nitride (Si₃N₄) Ceramic Balls
Exceptional Precision | Ultra-Lightweight | Superior Durability
Elevate your machinery, precision instruments, and sports gear with this set of 50 Grade 5 Silicon Nitride (Si₃N₄) Ceramic Balls, each precisely sized at 5/32" (0.15625" / 3.96875 mm). Crafted to stringent Grade 5 tolerances (±0.000005"), these balls boast exceptional roundness and a mirror-smooth surface finish, delivering flawless rotation at high speeds and heavy loads.
Manufactured from premium Silicon Nitride ceramic, these balls offer a perfect balance of extreme hardness, thermal resistance, and lightweight performance. Weighing approximately 60% less than steel yet significantly harder and more durable, they withstand harsh environments up to 1000°C. Their non-magnetic, corrosion-resistant, and chemically inert nature makes them ideal for critical, high-performance applications across diverse industries.
🔧 Key Technical Specifications
Material: Silicon Nitride (Si₃N₄) – advanced ceramic
Diameter: 5/32 inch (0.15625" / 3.96875 mm)
Grade: G5 – aerospace-level precision (±0.000005")
Hardness: ~1550+ Vickers (HV)
Weight: ~60% lighter than steel equivalents
Temperature Resistance: Continuous operation up to 1000°C
Additional Properties: Non-magnetic, corrosion-proof, chemically inert, electrically insulating
🚴 Applications
Cycling: Perfect for upgrading hubs, jockey wheels, bottom brackets, and headset bearings, offering reduced friction and extended component life.
Automotive & Robotics: Ideal for turbochargers, high-speed motors, CNC spindles, and robotic joints, improving efficiency and longevity.
Aerospace & Medical: Suited for lightweight, sterile, and high-temperature environments requiring non-magnetic, corrosion-resistant components.
✅ Performance Benefits
Low Friction: Ultra-smooth surface reduces rolling resistance, boosting speed and mechanical efficiency.
High Wear Resistance: Retains shape and performance under heavy loads and abrasive conditions.
Thermal Stability: Reliable operation through extreme temperature cycles.
Non-Magnetic & Non-Conductive: Safe for sensitive electronics and precision instrumentation.
📦 Package Includes
50 pieces of 5/32" Grade 5 Si₃N₄ Silicon Nitride Ceramic Balls, delivered in contamination-resistant packaging to maintain product integrity and precision.
