12mm Ceramic Si3N4 Loose Ball Bearing Ball G5 Grade For Bicycle And Precision Machinery, Thirty One Sixty Fourth Inch Size, High Strength Ceramic Bearing Balls, One Ball Included, Ideal For Low Friction, Durable Performance

12mm Loose Ball Ceramic Si3N4 for Single Unit
✔️ Single 12 mm ceramic ball for bearing use, bike ready

This 12mm ceramic ball is a single loose ball made from high-purity Si3N4 ceramic, ideal for bicycle bearings and other small precision gear systems where smooth operation and wear resistance matter.

✅ Material: Si3N4 ceramic, high hardness and wear resistance
✅ Diameter: 12 mm (0.472 in) loose ball
✅ Type: loose ball for bearing assemblies
✅ Quantity: 1 single ball per order

💡 What is a ceramic ball used for in precision machinery?

In general, ceramic balls provide high hardness and low friction for precision bearing performance.

• High hardness and wear resistance extend bearing life
• Low friction reduces energy loss in high-speed settings
• Excellent corrosion resistance in moisture and chemical exposure
• Ideal match for sealed bearing packs and modular assemblies