Rockbit 100 Pack Loose Half Inch S2 Tool Steel G200 Bearing Balls For Rock Bits High Precision 12.7mm Diameter Grade G200 S2 Material Loose Ball Bearings Set For Industrial Machinery Drilling Mining Equipment

100-Pack 1/2-inch S-2 Tool Steel G200 Bearing Balls
✔️ 100 loose balls, 1/2 inch dia (12.7 mm), G200 S-2 steel

These are precision loose bearing balls used as rolling elements in ball bearings and assemblies. They are made from S-2 tool steel and rated G200 for hardness, making them a solid choice for repair jobs, hobby projects, and custom machinery builds where robust wear resistance matters.

✅ Size: 1/2" (12.7 mm) diameter
✅ Material: S-2 tool steel
✅ Grade: G200
✅ Hardness: ~60 HRC
✅ Quantity: 100 loose balls

💡 What is a bearing ball and how is it used in machinery?

A handy primer on bearing balls helps shoppers choose the right part for their setup.

- Bearings use balls as rolling elements to reduce friction and carry radial and axial loads - This pack provides 100 pieces of 1/2" (12.7 mm) diameter for easy stocking - Material is S-2 tool steel with G200 hardness for long wear - Works well in standard ball bearing races and assemblies requiring a robust steel ball