A corrosion-resistant, lubrication-free linear motion actuator engineered for maintenance-free linear positioning in harsh, cleanroom, or washdown environments. It operates using high-performance sliding polymer bushings (iglidur) moving over anodized aluminum or stainless steel guide rails, driven by an integrated leadscrew, rack-and-pinion, or timing belt mechanism connected to an electric motor. As the driving element rotates, the self-lubricating polymer liners glide smoothly along the rail without metallic rolling elements, eliminating the need for external grease or oil, preventing dust and debris accumulation, and delivering quiet, maintenance-free linear motion across automated production equipment.