Airtac SC50 Standard Cylinder SC50X120CA
The AirTAC Airtac SC50 Standard Cylinder SC50X120CA is a genuine double-acting standard air cylinder with a Ø50mm bore and 120mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke120 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X120CA
The SC50X120CA is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 50 mm bore with a 120 mm stroke. It generates a push force of 982 N at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa, driven by a 20 mm diameter piston rod.
This model is configured with a rear single clevis (CA) mount, allowing the cylinder body to pivot during operation. The mounting accessory part code is F-SC50CA. It features a PT1/4 port, an M16x1.5 rod thread, and an adjustable air cushion of 21 mm to decelerate the piston smoothly at stroke end.
Airtac SC50 Standard Cylinder SC50X120CA Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X120CA |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 120 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 SC50X120CA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×120 | 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 SC50X120CA Is Used
Agricultural Implement Actuation
The rear clevis mount allows the SC50X120CA to pivot freely, making it ideal for raising and lowering planter units or controlling chute gates on harvesting equipment where the cylinder must follow an arc.
Clamping and Fixturing
With 982 N of force at standard line pressure, this cylinder provides consistent clamping for medium-duty CNC fixtures and welding jigs. The adjustable cushion protects the fixture from impact damage during high-speed cycles.
Diverter Gate Actuator
Use the SC50X120CA to pivot a diverter gate on a conveyor line. The clevis mounting simplifies installation on a pivoting bracket, and the 120 mm stroke provides ample travel for sorting packages or bulk materials.
Is the Airtac SC50 Standard Cylinder SC50X120CA the Right Cylinder?
Select the SC50 bore when your application requires between 982 N and 1767 N of push force. If your load demands more force, stepping up to the SC63 bore provides 1559 N at 0.5 MPa; for a lighter, more compact solution, the SC40 bore delivers 628 N at the same pressure. This 120 mm stroke is well within the 1200 mm maximum standard stroke for the 50 mm bore.
For a secure replacement, match five key points: bore (50 mm), stroke (120 mm), port thread (PT1/4), mounting accessory (rear single clevis, F-SC50CA), and the magnet option (this model has no built-in magnet). The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC50X120CA FAQ
At the standard 0.5 MPa operating pressure, the push force is 982 N and the pull force on the retract stroke is 825 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
No. The SC50X120CA is a double-acting cylinder and will not hold its position if air pressure is lost or the directional valve is centered. The piston can drift or drop under load. If load holding is a safety requirement, you must add an external rod lock or a pilot-operated check valve.
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