5mm Loose Ceramic Ball - Si₃N₄ Silicon Nitride - 5mm (13/64") Diameter

5mm Loose Ceramic Ball - Si₃N₄ Silicon Nitride
✔️ 5mm (13/64") Diameter - Lightweight, High-Strength Ball

This single 5mm ceramic ball is made from Si₃N₄ (silicon nitride), a premium material known for its extreme hardness, low weight, and excellent resistance to wear and heat. Commonly used in bicycles, high-speed spindles, and precision instruments.

✅ Diameter: 5mm (13/64" or 0.197")
✅ Material: Silicon Nitride (Si₃N₄) - ultra-hard ceramic
✅ Properties: Non-magnetic, low friction, high-temperature resistance
✅ Surface: Smooth polished finish for low rolling resistance
✅ Quantity: One ball
✅ Category: Loose ceramic balls

💡 What makes silicon nitride ceramic balls better for high-speed systems?
Si₃N₄ balls are 60% lighter than steel and run cooler at high speeds, reducing energy loss and extending bearing life - a go-to choice for race bikes, electric motors, and aerospace gear.

Upgrade your build with a material that means business - this 5mm Si₃N₄ ball is all about speed, strength, and staying power!