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 557044 is a double-acting industrial component based on the ISO 21287 norm featuring a 5/8" piston diameter, 1.5 in stroke, and a piston rod end with an 8-36 UNF-2B internal thread. Designed with a profile barrel, piston, and piston rod, this unit incorporates elastic cushioning rings at both ends, accommodates any mounting position, and enables position sensing via proximity switch. It operates within a pressure range of 14.5 psi to 145 psi (1 bar to 10 bar) using compressed air conforming to ISO 8573-1:2010 [7:4:4], delivering a theoretical advancing force of 27.2 lbf and a retracting force of 20.2 lbf at 6 bar. Submit the exact part number, quantity, and application requirements to receive a quote for this component.
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 557044. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.