Airtac SC50 Standard Cylinder SC50X260TC
The AirTAC Airtac SC50 Standard Cylinder SC50X260TC is a genuine double-acting standard air cylinder with a Ø50mm bore and 260mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke260 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X260TC
The AirTAC SC50X260TC is a double-acting tie-rod cylinder 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 50 mm bore and 260 mm stroke, this model features a 20 mm diameter piston rod and a body length A of 150 mm, making it a compact yet powerful solution for medium-force linear tasks.
This specific configuration includes a centre trunnion (TC) mount, supplied with the TCM1 bracket (F-SC50TC), allowing the cylinder to pivot and self-align during operation. The adjustable pneumatic cushion at each end decelerates the piston smoothly over 21 mm, reducing end-of-stroke impact for consistent, reliable cycling in automated machinery.
Airtac SC50 Standard Cylinder SC50X260TC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X260TC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 260 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 SC50X260TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×260 | 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 SC50X260TC Is Used
Part Diverter Gates
The trunnion mount lets the cylinder pivot as it actuates a diverter gate on a conveyor line, sorting packages by weight or destination with a consistent 982 N push at standard plant pressure.
Clamping & Fixturing
Provides up to 1767 N of clamping force for workholding in CNC machining centres. The adjustable cushion protects the fixture and part from impact damage during rapid cycling.
Agricultural Implement Control
Controls chute doors or flow gates on seeders and spreaders. The TPU seals handle dusty, ambient-temperature environments, and the pivoting trunnion mount absorbs frame misalignment.
Is the Airtac SC50 Standard Cylinder SC50X260TC the Right Cylinder?
For applications requiring slightly less force, stepping down to a 40 mm bore provides 628 N of push at 0.5 MPa, while moving up to a 63 mm bore increases available force to 1559 N at the same pressure. The 260 mm stroke is within the 1200 mm maximum standard stroke for this bore, ensuring off-the-shelf availability.
When replacing this cylinder, match five key points: 50 mm bore, 260 mm stroke, PT port thread, centre trunnion (TC) mounting, and the absence of a built-in magnet. Note that the 20 mm rod is robust, but for strokes approaching 300 mm with any side load, an external guide or guided cylinder is recommended to prevent rod bearing wear and 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 SC50X260TC FAQ
At the standard operating pressure of 0.5 MPa, this cylinder produces 982 N of push force and 825 N of pull force. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N.
No. The SC50X260TC is a double-acting cylinder and does not hold its position when air pressure is lost or the directional valve is centred. The piston will drift or drop under load. For position holding without live pressure, you must add an external rod brake, a mechanical lock, or a pilot-operated check valve.
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