557251

Name: Festo 557251 Compact air cylinder ADNGF-2"- -
Brand: Festo

Compact air cylinder ADNGF-2"- -

The Festo 557251 is an ISO 21287 industrial component featuring a 2-inch piston diameter, an adjustable stroke ranging from 0.197 inches to 11.8 inches, and a double-acting mode of operation. Built with a piston, piston rod, and profile barrel, this unit includes elastic cushioning rings at both ends, a guide rod with a yoke for torsion protection, and provisions for position sensing via proximity sensors. It operates within a pressure range of 1 bar to 10 bar using compressed air conforming to ISO 8573-1:2010 [7:4:4], delivering a theoretical force of 238 lbf retracting and up to 265 lbf advancing at 6 bar. Submit the exact part number, quantity, and application requirements for a quote.

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Manufacturer: Festo
Part number: 557251
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Technical Specifications

Stroke: 0.197 in...11.8 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 | 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: 0.738 ft-lbf
Theoretical force at 6 bar, retracting: 238 lbf
Theoretical force at 6 bar, advancing: 238 lbf...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

Engineering context

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Technical verification

Our sourcing response is prepared against Festo 557251. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.