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Manufacture Bearing Components

Raw Materials

Steel Grades
Material CHINA ISO USA GERMANY JAPAN SWEDEN FRANGE ENGLAND RUSSIA
Chrome steel GCr-15 1 (683/XVII) 52100 (ASTM) 100Cr6 (DIN) SUJ12 (JIS) SKF3 100C6 533A99 (BS) щX15
Chemical Composition of Bearing Steel
Material C Cr Si Mn P S Mo Ni Cu Ni Cu HRC
GCr-15 0.95-1.05 1.40-1.65 0.15-0.35 0.25-0.45 ≤0.025 ≤0.025 ≤0.01 ≤0.30 ≤0.25 ≤0.50 60-67

Bearing Ring Cutting and Grinding

Bearing Ring Forging


Turning




Testing


Metallographic Testing

Hardness Testing

Flaw Detector

Roundness Tester

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