Bearing Steel
1.SAE—Society of automotive engineers:52100
2.JIS—Japanese industrial standards:SUJ2
product quality
Material Description

SUJ2 bearing steel

High carbon and high chromium alloy steel, C carbon 0.95-1.10, CR chromium 0.90-1.20 with bearing’s abrasion resistance, rigidity, hardness, anti-fatigue resistance and high strength.

Suitable for: general plastic mold, ball bearings, roller bearings, steel ball, shaft, guide pillar, guide tip, roller and other mechanical parts.


If you have other requested specification, please contact with sales or highlight on the order.


Steel Ball

Cold forging screws

Hand tools


Chemical Composition
Chemical Composition %
C Si Mn P S Cr Mo
SUJ 2 0.95~1.10 0.15~0.35 0.50 0.025 0.025 1.30~1.60 0.08




Material Specification

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Mechanical Chart

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