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
The Festo 557055 is a double-acting industrial component featuring a 3/4" piston diameter, a 0.25 in stroke, and an ISO 21287 compliant profile barrel design with a piston rod at one end. Operating on compressed air within a pressure range of 14.5 psi to 145 psi, this unit delivers theoretical forces of 31.7 lbf retracting and 42.3 lbf advancing at 6 bar. It incorporates elastic cushioning rings at both ends, internal 10-32 UNF-2B piston rod threads, position sensing via proximity switch, and a moderate corrosion resistance class rating of CRC 2. Submit the exact part number, quantity, and application requirements to request a formal quote.
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 557055. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.