5mm Carbon Steel Bearing Balls, Precision Ball Set of 100, for Bearings and Mechanical Gears, High Hardness and Wear Resistance, Smooth Surface and Lightly Lubricated, Durable, Reliable Performance

5mm Carbon Steel Bearing Balls for Precision Gear Use
✔️ 5 mm dia, 100 pcs, carbon steel, smooth finish, lightly lubricated

These 5mm carbon steel bearing balls are precision-grade spheres used in bearings, gear assemblies, and small mechanical linkages. They deliver smooth rotation and solid wear resistance in hobby machines, clocks, RC cars, and compact gear trains.

✅ Diameter: 5 mm (0.197 in)
✅ Material: high-precision carbon steel for hardness and wear resistance
✅ Surface: smooth finish for low friction and even load distribution
✅ Lubrication: lightly lubricated for ready-to-use performance
✅ Pack: 100 pieces per pack, ideal for multiple projects

💡 What is a bearing ball used for in small mechanical systems? It’s handy to know how these tiny spheres support motion and load handling. - They provide smooth rotation with low friction. - They distribute loads evenly across races. - They suit compact gear trains and hobby projects