Airtac AIRTAC SC125-160 Standard Cylinder SC125X260TC
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X260TC 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 SC125X260TC
The AirTAC SC125X260TC is a double-acting tie-rod cylinder delivering 6136 N of push force at 0.5 MPa (11045 N at the 0.9 MPa maximum operating pressure). With a 125 mm bore and 260 mm stroke, it uses a 32 mm piston rod with M27x2 male threads and PT1/2 ports, making it a robust actuator for medium-to-heavy linear transfer and pressing tasks.
This model is configured with a centre trunnion (TC) mount, supplied together with the TCM1 bracket, allowing the cylinder to pivot during operation. The adjustable air cushion (28 mm) decelerates the piston smoothly at end-of-stroke, protecting the end caps. As an ISO 6430 class cylinder, it is built for demanding industrial environments with a speed range of 30-500 mm/s.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X260TC Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X260TC |
|---|---|
| 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 SC125X260TC
| 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 SC125X260TC Is Used
Pallet & Case Handling
The 6136 N push force at 0.5 MPa easily transfers heavy pallets, cases, or bulk containers across roller conveyors. The centre trunnion mount lets the cylinder pivot as the load shifts.
Heavy-Duty Clamping & Welding
Delivers up to 11045 N of clamping force for welding fixtures and assembly jigs on large fabrications. The adjustable cushion absorbs impact, preserving fixture alignment.
Industrial Press & Forming
Suitable for light press-fit insertion or forming operations where a controlled 260 mm stroke and high force are needed. The tie-rod construction allows for straightforward field maintenance.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X260TC the Right Cylinder?
Select the SC125 bore when your application requires between roughly 6136 N and 11045 N of pneumatic force. If your load is lighter, stepping down to the SC100 bore (3927 N at 0.5 MPa) can reduce air consumption and physical size. For heavier loads, the SC160 bore provides 10053 N at the same pressure.
For this 260 mm stroke, ensure side loads are minimised; long unsupported strokes on a single rod can create bending moments at the rod bearing. If lateral forces are unavoidable, pair the cylinder with an external guide or switch to a guided cylinder. When replacing this unit, match the 125 mm bore, 260 mm stroke, PT port thread, centre trunnion (TC) mount, and confirm the magnet requirement (this model has no built-in 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 SC125X260TC FAQ
At the standard 0.5 MPa operating pressure, 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 increases to 11045 N. The theoretical maximum force at 1.0 MPa is 1251 kgf.
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 SC125 tie-rod cylinder with the same bore, stroke, PT ports, and centre trunnion mount.
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