10-Pack 5/16"inch = 7.938mm Loose Ceramic Balls G5 Si3N4 Bearing Balls

10 Loose Ceramic Balls - 5/16 Inch Size
✔️ High-Strength Si3N4 - Pack of 10

These 5/16-inch loose ceramic balls are made from premium silicon nitride (Si3N4) for exceptional hardness, lightweight performance, and corrosion resistance. Perfect for bicycles, high-speed bearings, and precision applications that demand reduced friction and long-lasting durability.

✅ Type: Loose precision balls
✅ Material: Silicon nitride (Si3N4) ceramic
✅ Size: 5/16 inch diameter
✅ Quantity: 10 balls per pack
✅ Applications: Bicycles, bearings, and custom assemblies

💡 Why choose Si3N4 ceramic balls over steel balls?
They’re lighter, harder, and more resistant to wear, making them ideal for:

• High-speed rotation with minimal friction

• Moisture-prone environments

• Applications needing extended service life

Lightweight, ultra-tough, and built to roll smoother, these ceramic balls are ready for your next upgrade.