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Apr 08, 2026

Raceway Hardening

Raceway hardening is a critical heat-treatment process in slewing bearing manufacturing. It directly influences wear resistance, contact fatigue life, and overall load capacity. Using induction hardening, the raceway surface is selectively strengthened, achieving high surface hardness while preserving core toughness.

At MERYDOM, parameters such as hardening depth, hardness profile, and microstructural stability are tightly controlled to ensure reliable performance under high axial loads and overturning moments, delivering long-term operational stability.

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