Since 1984 TR

Bearing Steels

For rolling elements requiring high hardness and fatigue resistance.

Steel & Raw Materials

Bearing Steels

Bearing steels contain about 1% carbon and 1.5% chromium and have a high degree of cleanliness. After hardening they achieve surface hardness above 60 HRC and high rolling-contact fatigue strength.

Besides rings and rolling elements of ball, roller and needle bearings, they are used for wear-resistant rollers, cams and measuring tools.

GradeMat. No.Typical composition (%)Typical use
100Cr61.3505C 0.93–1.05 · Cr 1.35–1.60Balls, rings, rollers
100CrMn61.3520C 0.93–1.05 · Mn 1.00–1.20 · Cr 1.40–1.65Heavy-section bearing parts

Values are typical ranges from the relevant standards; exact values are provided with the mill certificate of each delivery.

Bearing Steels

Applications

  • Ball Bearings
  • Roller and Needle Bearings
  • Cams and Rollers
  • Measuring Tools
  • Wear Parts

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