9mm 30-Grain Steel Bearing Balls - Solid Carbon Steel Ball for Precision Bearings
✔️ 9 mm diameter steel bearing ball, hardened, smooth finish, carbon steel
This solid 9mm steel bearing ball is sold as a single bearing ball, built for durability and precision. Commonly used in bicycles, valve pumps, spray bottles, agitation systems, casters, drawer slides, locking mechanisms, and a wide range of semi-precision bearings. It’s tough, heat-resistant, and cost-effective, delivering a smooth, burr-free surface and consistent performance under load.
✅ 9 mm diameter, 30 grain weight, carbon steel
✅ Smooth, burr-free surface for consistent motion
✅ Hardened finish with high hardness after tempering for wear resistance
✅ Suitable for bicycles, valves, pumps, sprayers, casters, drawer slides, and semi-precision bearings
💡 What is a steel bearing ball used for in precision machinery and everyday hardware?
This handy component supports smooth motion across many devices.
- Used as rolling element in bearings to reduce friction and support loads
- Provides precise geometry for consistent fits in assemblies
- Handy across automotive, cycling, and industrial applications
This design helps ensure reliable operation and longer service life for your equipment.
