557261

Name: Festo 557261 Compact air cylinder ADNGF-2 1/2"- -
Brand: Festo

Compact air cylinder ADNGF-2 1/2"- -

The Festo 557261 is a double-acting industrial component built on the ISO 21287 norm featuring a 2 1/2" piston diameter, profile barrel, piston, and piston rod with a stroke range of 0.197 in to 11.8 in. This unit incorporates a guide rod with a yoke for torsion protection, elastic cushioning rings at both ends, and position sensing capabilities for a proximity sensor while operating within a pressure range of 1 bar to 10 bar using compressed air per ISO 8573-1:2010 [7:4:4]. Submit the exact part number, quantity, and application requirements to receive a formal quote.

Request pricing and availabilityCommercial response within one business day for your destination and required quantity.

Request a Quote

Why no listed price?

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: 557261
Data verification: Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to 557261.

Worldwide sourcingSupport for planned and urgent industrial requirements.

Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Stroke: 0.197 in...11.8 in
Piston diameter: 2 1/2"
Based on norm: ISO 21287
Cushioning: Elastic cushioning rings/pads at both ends
Mounting position: Any
Structural design: Piston | Piston rod | Prole barrel
Position sensing: For proximity sensor
Variants: Through piston rod
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: 0.959 ft-lbf
Theoretical force at 6 bar, retracting: 393 lbf
Theoretical force at 6 bar, advancing: 393 lbf...420 lbf
Moving mass at 0 mm stroke: 13.2 oz
Additional moving mass per 10 mm stroke: 2.55 oz
Basic weight with 0 mm stroke: 32.4 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

Engineering context

Identification and RFQ Guidance

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.

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 557261. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.