
Low backlash is achieved by selective fit, the process of selecting the proper ball size to achieve the balance of stiffness and lash. Alternating a larger ball and a smaller ball is often used for minimum lash with minimum stiffness. These grade 25 AISI 52100 chrome steel bearing balls are the same material and quality as OEM balls. I am trying to collect ball size information for Ballscrews and Linear slides. I will give free shipping to anyone who supplies me with the brand and part number of a ballscrew along with the original ball size. I will try to find any sizes you need. Current stock sizes in my store:
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