Loose Ceramic Ball Bearing Si3N4 Size 15/32 Inch 11.906mm One Ball for Bicycle Hubs and Precision Machinery High Strength Wear Resistant Low Friction Component for Rebuilds and Upgrades

11.906 mm Ceramic Si3N4 Loose Ball Bearing, 15/32"
✔️ Single loose ceramic ball, Si3N4, 11.906 mm diameter

This is a single loose ceramic ball made from high-strength silicon nitride (Si3N4). It is commonly used in bicycle bearings, precision machines, and custom bearing assemblies where low friction and long life matter.

✅ Size: 15/32 inch (11.906 mm) diameter
✅ Material: Ceramic Si3N4 (silicon nitride)
✅ Quantity: 1 ball (single loose ball)
✅ Application: bicycle bearings and precision assemblies

💡 What is a ceramic ball bearing used for in precision mechanical assemblies?

Ceramic balls provide high hardness, low friction, and corrosion resistance, making them ideal for high-speed, dry, or corrosive environments.

- High-speed bicycle hubs and precision fixtures - Harsh environments where moisture or chemicals are present - Long-life, low-maintenance bearing applications