Full definition
Mechanism converting rotary to linear motion with high mechanical efficiency (90–95%) via a threaded shaft with semicircular profile and a recirculating ball nut. Standard leads: 2–100 mm/rev. Accuracy classes: C7 (±0.05 mm/300 mm) to C1 (±0.006 mm/300 mm) per JIS B 1192. Dynamic load capacity C: 3–800 kN. Maximum speed: up to 3,000 RPM. Applications: CNC machine tool axes, robots, precision actuators. Brands: NSK, THK, Hiwin, Bosch Rexroth.