Products Screw Assemblies Ball Screw Assemblies Rexroth Precision Ball Screw Assemblies provide technical designers with diverse solutions for positioning and transport applications. Our precision rolled screw technology provides a variety of sizes and unparalleled quality from sizes 6mm up to 80mm diameters. Get more information New!  Planetary Screw Assemblies PLSA The Planetary Screw Assembly PLSA is an assembly comprising of a screw and a nut with planets as the rolling elements. It serves to convert rotary motion into linear motion and vice versa. The PLSA is designed to provide higher thrust loads quietly, efficiently, cleanly, and with a high degree of repeatability and precision than comparable drive solutions of similar sizes. Simply, the PLSA offers higher load capacity and greater overall performance - in a smaller package. Get more information