Airtac AIRTAC SC125-160 Standard Cylinder SC125X140
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X140 is a genuine double-acting standard air cylinder with a Ø125mm bore and 140mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke140 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X140
The AirTAC SC125X140 is a double-acting tie-rod cylinder delivering substantial force in a compact footprint. At 0.5 MPa it pushes with 6136 N and pulls with 5734 N, rising to 11045 N push at the maximum operating pressure of 0.9 MPa. The 32 mm diameter piston rod and 28 mm air cushion provide robust, dampened end-of-stroke deceleration for this 140 mm stroke model.
This ISO 6430 class cylinder uses PT1/2 ports and an M27x2 rod thread. The body length A is 203 mm, giving an extended length of approximately 343 mm. The standard TPU seals suit ambient temperatures from -20 to +70 C. A genuine AirTAC SC unit, it is built for reliable high-force linear actuation in industrial automation.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X140 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X140 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 140 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 SC125X140
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×140 | 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 SC125X140 Is Used
Heavy Press & Clamping
Applies up to 11045 N of clamping force at 0.9 MPa for industrial presses, holding fixtures, and assembly jigs requiring high, repeatable pressure.
Material Lifting & Positioning
The 6136 N push force at 0.5 MPa reliably lifts and positions heavy bins, totes, or engine blocks on lift-assist and vertical transfer stations.
Pallet Stop & Diverter
With its robust 32 mm rod and adjustable cushioning, this cylinder stops and diverts heavy pallets on gravity or powered roller conveyors without impact damage.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X140 the Right Cylinder?
This 125 mm bore cylinder suits applications needing force in the 6000-11000 N range. If your load requires less force, stepping down to the 100 mm bore (3927 N push at 0.5 MPa) can reduce air consumption. For higher force, the 160 mm bore provides 10053 N at 0.5 MPa. The 140 mm stroke is within the standard range.
For side-load applications, note that the 32 mm rod can experience bending moments on longer strokes; an external guide rail or a guided cylinder is recommended. When replacing an existing cylinder, match five points: 125 mm bore, 140 mm stroke, PT1/2 port thread, basic (no mounting accessory), and no magnet. This is a tie-rod cylinder, not an ISO 15552 profile, so dimensional interchangeability is limited to other AirTAC SC or equivalent tie-rod designs.
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 SC125X140 FAQ
At the standard 0.5 MPa operating pressure, the push force is 6136 N and the pull force is 5734 N. At 0.7 MPa, push force increases to 8590 N, and at the maximum 0.9 MPa it reaches 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
No. The SC125X140 is a double-acting cylinder and does not hold its position when air pressure is exhausted or lost. The piston will drift or the load will drop. For load holding without live pressure, you must add an external mechanical lock, a rod brake, or a pilot-operated check valve in the circuit.
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