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 industrial component, part number 557911, is a double-acting pneumatic cylinder featuring an 80 mm piston diameter, a 100 mm stroke, and an M20x1.5 piston rod thread with an external rod clevis and a 28 mm wide swivel mounting on the bearing cap. Engineered for an operating pressure range of 1 bar to 10 bar utilizing compressed air as per ISO 8573-1:2010 [7:4:4], the unit incorporates adjustable pneumatic cushioning at both ends with a 30 mm cushioning length, integrated flow control at both ends, and position sensing via a proximity switch. It delivers a theoretical retracting force of 2721 N at 6 bar across an ambient temperature range of -10 °C to 60 °C, and functions in any mounting position with a 0 corrosion resistance class and VDMA24364-B2-L LABS conformity. Submit the exact part number, quantity, and application requirements to request a 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 557911. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.