Airtac SC50 Standard Cylinder SC50X40
The AirTAC SC50 Standard Cylinder SC50X40 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 SC50X40
The SC50X40 is a compact-stroke double-acting pneumatic cylinder from the AirTAC SC tie-rod series, delivering a push force of 982 N at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa. With a 40 mm stroke and a 20 mm diameter piston rod, this model is well-suited for short-throw clamping, ejecting, and pressing tasks where rapid cycling and consistent force are required.
Its body length A measures 150 mm, and the adjustable air cushion (21 mm length) decelerates the piston smoothly at each end of travel, reducing impact noise and vibration. The standard PT1/4 port and M16x1.5 rod thread integrate easily into common pneumatic circuits, making this a reliable actuator for tight-space automation cells.
Airtac SC50 Standard Cylinder SC50X40 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X40 |
|---|---|
| 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 SC50X40
| 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 SC50X40 Is Used
Short-Stroke Clamping
The 40 mm stroke and 982 N force at 0.5 MPa make this cylinder ideal for pneumatic clamping fixtures in machining and woodworking, where a fast, firm hold is needed.
Part Ejection
Deploy the SC50X40 for ejecting stamped or molded parts from dies. Its 20 mm rod and adjustable cushion handle the repetitive impact of short, sharp ejection cycles reliably.
Diverter Gate Actuation
Use this cylinder to actuate small diverter gates or stops on conveyor lines. The double-acting design ensures positive retraction and extension for precise product sorting.
Is the Airtac SC50 Standard Cylinder SC50X40 the Right Cylinder?
Choose the SC50X40 when your application needs roughly 100 kgf of push force in a short, 40 mm stroke. If you require more force, stepping up to the SC63 bore raises the push force to 1559 N at 0.5 MPa; for a lighter, more compact solution, the SC40 bore provides 628 N. Always match the replacement cylinder on all five critical points: 50 mm bore, 40 mm stroke, PT1/4 port thread, basic (no bracket) mounting, and the absence of a built-in magnet.
For strokes of 300 mm or longer, side loads on the rod become a concern, but at 40 mm this is rarely an issue. If your load applies any lateral force, however, always use an external guide or a guided cylinder to protect the rod bearing from bending.
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 SC50X40 FAQ
At 0.7 MPa operating pressure, the SC50X40 produces a theoretical push force of 1374 N and a pull force of 825 N. The maximum push force at 0.9 MPa is 1767 N.
No. The AirTAC SC series is a tie-rod cylinder that is physically shorter than an ISO 15552 profile cylinder, so the mounting dimensions are not interchangeable. It is a direct replacement only for another AirTAC SC50 tie-rod cylinder with the same 40 mm stroke, PT port, and basic mounting configuration.
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