Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Festo
This Festo double-acting industrial component features a 4" piston diameter, a 0.5 in stroke, and a 1/2-20 UNF-2B internal thread piston rod end based on the ISO 21287 norm. Designed with a profile barrel, elastic cushioning rings at both ends, and position sensing for proximity sensors, it operates within a pressure range of 14.5 psi to 145 psi using compressed air per ISO 8573-1:2010 [7:4:4]. The unit delivers a theoretical force of 1059 lbf advancing and 1017 lbf retracting at 6 bar, while withstanding ambient temperatures from -4 °F to 176 °F and moderate corrosion stress (CRC 2). Submit part number 557180 with your required quantity and application specifications to request a formal quotation.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 557180. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.