Airtac SC50 Standard Cylinder SC50X40FA
The AirTAC Airtac SC50 Standard Cylinder SC50X40FA is a genuine double-acting standard air cylinder with a Ø50mm bore and 40mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke40 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SC50 Standard Cylinder SC50X40FA
The SC50X40FA is a 50 mm bore, 40 mm stroke double-acting pneumatic cylinder from the AirTAC SC tie-rod series. It produces 982 N of push force at 0.5 MPa and up to 1767 N at 0.9 MPa, driven by a 20 mm diameter piston rod with M16x1.5 threads.
This model is factory-assembled with an FA front rectangular flange (part F-SC50FA) for rigid panel or bulkhead mounting. The compact 40 mm stroke and 150 mm body length A make it ideal for short-throw clamping, ejecting, or diverting tasks where space is tight and a secure flange mount is required.
Airtac SC50 Standard Cylinder SC50X40FA Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X40FA |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 40 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC50 Standard Cylinder SC50X40FA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×40 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SC50 Standard Cylinder SC50X40FA Is Used
Short-Stroke Clamping
The 40 mm stroke and 1767 N force at 0.9 MPa provide a fast, powerful clamp for CNC fixtures and welding jigs, with the FA flange ensuring precise rod alignment to the workpiece.
Part Ejection
Rapidly ejects small components from a conveyor or stamping die. The 20 mm rod is stiff over the short 40 mm stroke, resisting bending under direct axial loads.
Press-Fit Assembly
Delivers a controlled 982 N push at standard 0.5 MPa line pressure for pressing bearings, bushings, or pins into housings, with the front flange absorbing the reaction force directly into the machine frame.
Is the Airtac SC50 Standard Cylinder SC50X40FA the Right Cylinder?
For higher force in the same mounting footprint, step up to the 63 mm bore SC63 series, which provides 1559 N at 0.5 MPa. If space is limited but less force is acceptable, the 40 mm bore SC40 delivers 628 N at 0.5 MPa. The FA front flange centers the rod in a panel cutout and resists misalignment.
When replacing this cylinder, match all five key points: 50 mm bore, 40 mm stroke, PT1/4 port thread, FA front flange mounting, and the standard TPU seal. The SC tie-rod design is shorter than an ISO 15552 cylinder, so dimensional interchangeability is limited to other AirTAC SC50 models with the same stroke and mounting.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SC50 Standard Cylinder SC50X40FA FAQ
At 0.7 MPa operating pressure, the SC50X40FA generates 1374 N of push force. The maximum push force at the 0.9 MPa operating limit is 1767 N. Pull force on the retract stroke is 825 N at 0.5 MPa due to the rod area.
The FA suffix indicates this cylinder is built with a front rectangular flange. For a rear clevis mount, you would order model SC50X40CA (single clevis) or SC50X40CB (double clevis). The mounting is integrated during assembly, so retrofitting a different style is not practical.
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