SMC NCRA1BS50-180 is a rack-and-pinion pneumatic rotary actuator with a 50 mm bore and a 180° rotation, designed for compact indexing and rotary positioning in automation lines. It uses a basic mounting style with a single shaft configuration, making it suitable for tight spaces in small to mid-size equipment. Operated by compressed air in the 0.1–1 MPa range, the unit delivers reliable 180° swings from a 50 mm body size.
