AISI 52100 chrome steel balls are widely used in ball bearings and precision mechanical systems, offering high load capacity, excellent wear resistance, and long fatigue life for demanding rolling applications.
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Also known as bearing steel balls, GCr15 and 100Cr6 are widely used for precision bearings
and rolling element applications
AISI 52100 chrome steel balls are manufactured from high-carbon chromium bearing steel and are widely used as rolling elements in ball bearings and motion control components.
With a through-hardened microstructure, they ensure stable dimensional accuracy and consistent performance under high contact stress in demanding mechanical systems.
| Item | Specification |
| Material | AISI 52100 / GCr15 / 100Cr6 (EN 1.3505) |
| Size Range | 0.5 mm – 200 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 may be available for some standard sizes; production orders typically require around 30–35 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.
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