Q. The anti-friction bearing?s rolling element is usually made of
Solution:
The most common material used to produce the load-carrying components in precision ball bearings, roller bearings, and tapered roller bearings is chrome steel.
The chemical composition of chrome steel has a high carbon content and about 1.5% chromium content. these bearing components have a high strength to resist cracking and a hard surface to resist subsurface rolling contact fatigue. The surface hardness for bearing components ranges from 60- 64 on the Rockwell hardness C scale.
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