Ceramic G60 Ball 40mm Si3N4 Silicon Nitride Loose Ball Bearing for Precision Machinery and High Wear Resistance, Single 40 Millimeter Ceramic Ball Grade G60 for Low Friction and Durability

40 mm Si3N4 ceramic bearing ball for precision use
✔️ 40 mm diameter ceramic ball, Si3N4, G60 grade, single ball

These are loose ceramic balls made from silicon nitride (Si3N4) and used in precision ball bearing assemblies, including linear slide units. They’re favored for smooth operation at high speeds, low friction, corrosion resistance, and long life in dry or sealed environments.

✅ 40 mm (1.57 in) diameter, Si3N4 ceramic material, G60 grade, loose ball
✅ Single ball, one piece per pack (Quantity: One Ball)
✅ High hardness and wear resistance with low friction
✅ Excellent corrosion resistance in demanding environments

💡 What is a ceramic ball bearing used for in precision machinery? Ceramic balls offer high hardness, low friction, and stability for precise, long-life operation.
- handy for high-speed, dry-running applications
- reduces heat and wear in precision equipment
- suitable for sealed bearing assemblies where lubrication is tricky
- great for environments with corrosion risk and cleanroom use