Airtac AIRTAC SC125-160 Standard Cylinder SC125X260
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X260 is a genuine double-acting standard air cylinder with a Ø125mm bore and 260mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke260 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X260
The SC125X260 is a double-acting pneumatic cylinder delivering substantial force for medium-to-heavy industrial automation. With a 125 mm bore, it generates 6136 N pushing and 5734 N pulling at 0.5 MPa, rising to 11045 N at the maximum operating pressure of 0.9 MPa.
This model features a 260 mm stroke, a 32 mm piston rod with M27x2 threads, and an adjustable air cushion of 28 mm to decelerate end-of-stroke loads. The body length A is 203 mm, giving a total extended length of approximately 463 mm. It uses PT1/2 ports and operates within -20 to +70 °C with standard TPU seals.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X260 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X260 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 260 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M27×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (approx.) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac AIRTAC SC125-160 Standard Cylinder SC125X260
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | 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 AIRTAC SC125-160 Standard Cylinder SC125X260 Is Used
Press & Clamping Fixtures
Provides up to 11045 N of clamping force at 0.9 MPa for holding workpieces during machining, welding, or assembly operations.
Material Forming & Bending
Delivers the high thrust needed for light bending, forming, or stamping applications in metal and plastic fabrication cells.
Heavy Part Transfer & Lift
Pushes or lifts heavy components, pallets, or bins on conveyor systems and lift-assist stations with controlled, adjustable cushioning.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X260 the Right Cylinder?
Choose the SC125 bore when your application needs between 6136 N (push at 0.5 MPa) and 11045 N (at 0.9 MPa). If your force requirement is lower, the SC100 bore offers 3927 N at 0.5 MPa in a smaller footprint. For higher forces, step up to the SC160 bore which provides 10053 N at 0.5 MPa.
For this 260 mm stroke, ensure side loads are minimized. The 32 mm rod is robust, but long unsupported strokes under lateral force can cause rod bearing wear. Use an external guide or a guided cylinder if side loading is present. When replacing, match bore (125 mm), stroke (260 mm), PT1/2 port thread, basic mounting, and the absence of a magnet.
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 AIRTAC SC125-160 Standard Cylinder SC125X260 FAQ
At 0.5 MPa, the push force is 6136 N and the pull force is 5734 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
No. The SC series is a tie-rod cylinder and is shorter than an ISO 15552 profile cylinder. It is not dimensionally interchangeable. It is a direct replacement only for another AirTAC SC125 tie-rod cylinder with matching bore, stroke, port thread, and mounting.
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