Precision chrome steel balls are designed for high-accuracy applications, offering stable rolling performance, wear resistance, and long fatigue life in precision mechanical and bearing systems
Also known as bearing steel balls, precision steel balls are used in applications requiring high dimensional accuracy and stable rolling performance.
Precision chrome steel balls are manufactured with tight tolerances and are widely used in high-precision bearings and motion systems.Precision steel balls offer stable dimensional control and consistent performance in applications requiring low vibration and accurate rolling behavior.
Item | Specification |
Material | AISI 52100 / GCr15 / 100Cr6 |
Size Range | 0.5 mm – 50 mm |
Hardness | 60 – 66 HRC |
Precision Grades | G10 – G1000 |
Density | 7.81 g/cm³ |
Standard | ISO 3290 / DIN 5401 |
Heat Treatment | Through-hardened |
Packing | 10 kg or 20 kg per carton, approx. 1 ton per pallet, or as required |
Condition | Dry or oiled (anti-rust protection) |
Delivery Time | Stock available or 35 days |
Element | C | Si | Mn | P | S | Cr |
Typical Value (%) | 0.93–1.05 | 0.15–0.35 | 0.25–0.45 | ≤0.025 | ≤0.015 | 1.35–1.65 |
Typical chemical composition shown for reference only. Actual values may vary slightly depending on the specific standard or material designation ordered.
