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 557189 is an ISO 21287 single-acting industrial component featuring a 5/8" piston diameter, a profile barrel structural design with a square piston rod, and elastic cushioning rings at both ends. It operates within a pressure range of 14.5 psi to 145 psi, utilizes 10-32 UNF-2B pneumatic connections, and delivers a theoretical advancing force of 27.2 lbf at 6 bar. Configured for any mounting position, this unit includes position sensing for a proximity sensor and features moderate corrosion resistance with a CRC rating of 2. Submit the exact part number, quantity, and application requirements for an official 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 557189. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.