4mm Diameter - Bearing Ball - Chrome Steel - Grade G10

4mm Diameter - Loose Bearing Ball 
Chrome Steel - Grade G10 - One Loose Ball

This 4mm loose bearing ball is crafted from high-precision chrome steel and rated G10 for exceptional roundness and surface finish. It’s widely used in precision mechanical assemblies, tools, and industrial systems where low friction and consistent performance are critical.

✅ Item: 4mm Loose Balls G10
✅ Type: Loose Ball Bearing
✅ Size: 4mm Diameter
✅ Material: Chrome Steel
✅ Grade: G10 Precision
✅ Surface Finish: Ultra-smooth, high-roundness
✅ Quantity: 1 Loose Ball

💡 Why choose G10-grade chrome steel loose balls?
G10 balls offer superior roundness and surface finish compared to standard grades, making them ideal for high-performance applications in bearings, robotics, and instruments where precision matters.