This lynair pneumatic air cylinder viton seal kit & bearing SH-3-1/4A42-57 bore 3-1/4 is a linear actuator/cylinder in industrial equipment. It converts hydraulic or pneumatic pressure into linear force and motion, extending and retracting its rod to push, lift, clamp, or position a load. Key specifications noted on this listing include 57 Bore. It is commonly in assembly lines, lift systems, and fluid power circuits.
