10-Pack 21mm Loose Steel Balls - G10 - Chrome Steel

21mm Chrome Steel Loose Balls - 10 Pack
✔️ G10 Precision - Loose Bearings - 21mm Diameter

This 10-pack of 21mm loose chrome steel balls is built to meet G10 precision standards, making them ideal for industrial machinery, casters, and custom bearing assemblies. Durable, accurate, and ready for high-load use.

✅ Diameter: 21mm
✅ Material: Chrome Steel
✅ Precision Grade: G10
✅ Type: Loose Ball Bearing
✅ Quantity: 10 Loose Balls

💡 What does G10 mean in bearing ball precision?

1. G10 indicates a high level of roundness and surface finish for consistent performance.

2. It's suitable for applications needing minimal vibration and smooth motion.

3. Commonly used in precision instruments, ball bearings, and rolling elements.

Great for building or repairing components that require tight tolerance and reliable performance.