Bearing balls / precision ballhrome steel balls Chrome steel balls(aisi52100 balls) are manufactured from the highest quality chrome steel . Product feature Size: diameter 2mm -35mm Product specification / models G10 ---g1000 Application / models Used in the ball and roller bearing industry and for a variety of automobile applications. These chrome steel balls have excellent surface quality. They offer superior wear resistance, high hardness and high load bearing capacity as a result of through-hardening.