Airtac SC50 Standard Cylinder SC50X280N
The AirTAC SC50 Standard Cylinder SC50X280N is a genuine double-acting standard air cylinder with a Ø50mm bore and 280mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke280 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 SC50X280N
The AirTAC SC50X280N is a double-acting tie-rod cylinder with a 50 mm bore and 280 mm stroke, fitted with NBR (nitrile) seals for reliable performance in standard industrial environments. Operating on filtered air at 0.15–1.0 MPa, this model produces a push force of 982 N at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa, making it a robust mid-range actuator.
This cylinder uses a 20 mm diameter piston rod with an M16x1.5 male thread and PT1/4 ports. The adjustable pneumatic cushion at each end (21 mm cushion length) decelerates the piston smoothly, reducing end-of-stroke impact. The body length A is 150 mm, giving a total extended length of approximately 430 mm for this 280 mm stroke configuration.
Airtac SC50 Standard Cylinder SC50X280N Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X280N |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 280 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 SC50X280N
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×280 | 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 SC50X280N Is Used
Material Stop & Transfer
The 982 N push force at 0.5 MPa is ideal for stopping or transferring medium-weight packages and components on conveyor lines, providing a firm, repeatable action.
Clamping & Fixturing
Use the SC50X280N for pneumatic clamping in machining or welding fixtures. The 280 mm stroke offers ample reach, and the NBR seals are compatible with common workshop air supplies.
Gate & Diverter Actuation
Deploy this cylinder to operate small gates or diverters in agricultural processing. The robust tie-rod construction handles dusty conditions, and the NBR seals provide a cost-effective sealing solution.
Is the Airtac SC50 Standard Cylinder SC50X280N the Right Cylinder?
Select the SC50 bore when your application needs around 982 N of push force at 0.5 MPa. If you require more force, stepping up to the SC63 bore provides 1559 N at the same pressure. For lower force requirements, the SC40 bore delivers 628 N. Always match replacement cylinders on five key points: bore (50 mm), stroke (280 mm), port thread (PT1/4), mounting style (basic, no bracket), and magnet option (none on this -N model).
At a 280 mm stroke, the 20 mm rod is well-supported for axial loads, but any significant side loading requires an external guide rail or rod-alignment coupler to prevent rod bearing wear and bending. The SC50X280N uses NBR seals, suitable for temperatures from -20 to +70 °C.
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 SC50X280N FAQ
At 0.5 MPa, the push force is 982 N and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
Yes, if the old cylinder matches these five specifications: 50 mm bore, 280 mm stroke, PT1/4 port thread, basic (no bracket) mounting, and no built-in magnet. The SC series is a standard tie-rod cylinder, so dimensional checks against the 150 mm body length are recommended for a direct fit.
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