Ball Screws. Ball screws are very similar to ball bearings in that they generally use either chrome steel or type 440C hard stainless steel. A peculiarity of ball screws is that they typically have a load ball and the next ball is a .001-inch undersized spacer ball, and so on.
"In the subsequent firing of ceramic mass is removed the remnants of hydroscopic water and clay minerals are decomposed; is the formation of new crystalline silicates and melt, then the unit vitreous zatverdevaniem and hardening (sintering).
MRC Hybrid ceramic ball bearings use a combination of traditional 52100 steel rings precision matched with silicon nitride (ceramic) balls. In addition to being excellent electric insulators, hybrid bearings have a higher speed capability and will provide longer service life than all-steel bearings in most applications.