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 part number 556579 is a double-acting rotary vane industrial component featuring a 40 mm piston diameter, a stroke range of 10 mm to 200 mm, and an adjustable swivel angle from 0 to 270 degrees with a maximum limit of 272 degrees and a precision adjustment of -6 degrees. Operating on compressed air as per ISO 8573-1:2010 [7:4:4] within a 2.5 bar to 8 bar pressure range, this unit incorporates elastic cushioning rings at both ends, a through hollow piston rod, a plain bearing-guide for torsion protection, and proximity switch position sensing. It achieves a maximum swivel frequency of 2 Hz at 6 bar, a maximum impact velocity of 500 mm/s, a 2-degree swivel angle backlash, a 1-degree repetition accuracy, and a CRC 1 low corrosion stress rating, with oil lubrication operation permitted or required for continued use in any mounting position. 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 556579. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.