Full definition
Bearing providing low-friction translational motion rather than rotation, through recirculating balls or rollers between a shaft/rail and the carriage/bushing. Main types: ball bushing on round shaft (ISO 10285, diameters 3–100 mm), profiled linear guideway (THK, Hiwin), crossed roller guideway. Accuracy: down to 0.005 mm. Load capacity: 0.1–100 kN depending on series. Applications: CNC axes, industrial printers, actuators, robots. Brands: THK, Hiwin, NSK, Bosch Rexroth.