Silicon Nitride Ceramic Bearing Balls 2.381mm Diameter G5 Precision Pro Grade Heavy Duty Ultra Smooth Wear Resistant For Casters Drawer Slides Bicycle Hubs Door Locks

2.381mm Silicon Nitride Ceramic Bearing Ball, single unit
✔️ 2.381 mm diameter, G5 precision ceramic bearing balls

These silicon nitride ceramic bearing balls are high-performance precision components designed for ultra-smooth rotation in compact bearing assemblies. They excel in casters, drawer slides, bicycle hubs, door locks, and other daily-use mechanisms where durability and corrosion resistance matter.

✅ Diameter: 2.381 mm (3/32 in)
✅ G5 precision grade ceramic bearing ball surface
✅ Hardness: ~1700 HV, higher than chrome steel
✅ Excellent corrosion resistance and lightweight
✅ Applications: casters, drawer slides, bicycle hubs, door locks

💡 What is a ceramic bearing ball used for in precision motion systems?

Handy components for high-load, low-friction motion in compact gear assemblies.

- High stiffness and reduced inertia for fast-moving parts - Excellent corrosion resistance for damp or outdoor use - Works well in sealed bearings and linear slide units - Long service life due to wear resistance