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Festo
557149
Compact cylinder ADN-2 1/2"-1 1/4"-I-P-A
Engineered to ISO 21287 standards by Festo, part number 557149 is a double-acting industrial component featuring a 2 1/2-inch piston diameter, a 1.25-inch stroke, and a profile barrel design with a piston rod at one end. This unit operates within a pressure range of 14.5 psi to 145 psi using compressed air per ISO 8573-1:2010 [7:4:4] and incorporates elastic cushioning rings at both ends to absorb 0.959 ft-lbf of impact energy. It delivers theoretical forces of 393 lbf retracting and 420 lbf advancing at 6 bar, while accommodating ambient temperatures from -4 °F to 176 °F and providing position sensing via proximity switch. Submit the exact part number, quantity, and application requirements to request a quote for this Festo component.
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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
- 557149
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 557149.
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 1/2"
- Piston rod thread
- 3/8-24 UNF-2B
- Based on norm
- ISO 21287
- Cushioning
- Elastic cushioning rings/pads at both ends
- Mounting position
- Any
- Mode of operation
- Double-acting
- Piston rod end
- Internal thread
- Structural design
- Piston | Piston rod | Prole barrel
- Position sensing
- Via proximity switch
- Variants
- Piston rod at one end
- Operating pressure
- 0.1 MPa...1 MPa | 1 bar...10 bar | 14.5 psi...145 psi
- 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
- 420 lbf
- Moving mass at 0 mm stroke
- 6.37 oz
- Additional moving mass per 10 mm stroke
- 2.09 oz
- Basic weight with 0 mm stroke
- 25.6 oz
- Additional weight per 10 mm stroke
- 0.566 oz
- Type of mounting
- Alternatively: | With through-hole | With internal thread | With accessories
- Pneumatic connection
- 1/8 NPT
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 557149. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.