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Festo
557256
Compact air cylinder ADNGF-2"-1 1/4"-P-A
The Festo 557256 is a double-acting industrial component featuring a 2-inch piston diameter, a 1.25-inch stroke, and a profile barrel built to ISO 21287 standards with an integrated guide rod and yoke for anti-torsion protection. Operating on compressed air within a pressure range of 1 bar to 10 bar and temperatures spanning from -4 °F to 176 °F, this unit delivers a theoretical force of 265 lbf advancing and 238 lbf retracting at 6 bar. It incorporates elastic cushioning rings at both ends, position sensing for proximity sensors, and a moderate corrosion resistance class of CRC 2. Submit the exact part number, quantity, and application requirements for an official quote.
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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.
- Manufacturer
- Festo
- Part number
- 557256
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 557256.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Stroke
- 1.25 in
- Piston diameter
- 2"
- Based on norm
- ISO 21287
- Cushioning
- Elastic cushioning rings/pads at both ends
- Mounting position
- Any
- Structural design
- Piston | Piston rod | Prole barrel
- Position sensing
- For proximity sensor
- Protection against torsion/guide
- Guide rod with yoke
- Operating pressure
- 0.1 MPa...1 MPa | 1 bar...10 bar
- Mode of operation
- Double-acting
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4]
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Ambient temperature
- -4 °F...176 °F
- Impact energy in the end positions
- 0.738 ft-lbf
- Theoretical force at 6 bar, retracting
- 238 lbf
- Theoretical force at 6 bar, advancing
- 265 lbf
- Moving mass at 0 mm stroke
- 10.2 oz
- Additional moving mass per 10 mm stroke
- 2.27 oz
- Basic weight with 0 mm stroke
- 24.3 oz
- Additional weight per 10 mm stroke
- 1.03 oz
- Type of mounting
- Optionally: | With through-hole | With internal thread | With accessories
- Pneumatic connection
- 1/8 NPT
- Flange screws material
- Steel
- Cover material
- Wrought aluminum alloy, anodized
- Seals material
- NBR
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 557256. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.