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
Engineered to ISO 21287 standards by Festo, part number 557163 is a double-acting industrial component featuring a 3-inch piston diameter, a 0.5-inch stroke, and a profile barrel structural design with a piston rod at one end having a 1/2-20 UNF-2B internal thread. This unit operates within a pressure range of 14.5 psi to 145 psi using compressed air as per ISO 8573-1:2010 [7:4:4], delivering a theoretical retracting force of 636 lbf and advancing force of 678 lbf at 6 bar. It incorporates elastic cushioning rings at both ends, accommodates proximity sensors for position sensing, and is rated for a moderate corrosion resistance class (CRC 2) across an ambient temperature range of -4 °F to 176 °F. Submit the exact part number, quantity, and application requirements to request a quote for this Festo 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 557163. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.