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Chrome steel ball


Chrome steel balls are usually used for ball bearings and ball screws. For aerospace requirement, we use AMS 6444 material and the heat treatment is certified NADCAP.

We are also able to supply industrial balls for various application : ball bearing, ball screw, linear guides, grinding beads, etc.

Material Steel grade Density (kg/dm3) Hardness
Chrome steel ball 100Cr6 / AISI 52100 ball 7,80 60-66 HRC
100CrMn6 ball 7,80 60-66 HRC
AMS 6440 ball 7,80 60-66 HRC
AMS 6444 ball 7,80 60-66 HRC


For industrial applications we can supply the balls via our Supply Chain. In all cases, each batch is validated by our certified quality system based on aeronautical requirements.

A technical query, a quote, stock availability? Contact us on  +33(0)5 63 27 77 21 or via our contact form