Airtac AIRTAC SC125-160 Standard Cylinder SC125X740S
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X740S is a genuine double-acting standard air cylinder with a Ø125mm bore and 740mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke740 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X740S
The SC125X740S is a double-acting pneumatic cylinder delivering a substantial 6136 N push force at 0.5 MPa (11045 N at 0.9 MPa), making it suitable for heavy-duty linear actuation. The 740 mm stroke is within the standard range for this 125 mm bore, and the built-in magnet enables direct mounting of CMSG/DMSG/EMSG sensors for reliable end-of-stroke detection.
This tie-rod cylinder uses a 32 mm piston rod with an M27x2 rod thread and PT1/2 ports. Its adjustable air cushion (28 mm length) decelerates the piston smoothly, while the body length A of 203 mm keeps the overall footprint compact. Operating pressure ranges from 0.15 to 1.0 MPa with a speed of 30-500 mm/s.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X740S Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X740S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 740 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 SC125X740S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×740 | 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 SC125X740S Is Used
Heavy Press & Clamping
With 11045 N of force at 0.9 MPa, this cylinder powers heavy-duty clamping fixtures and small forming presses, providing consistent, controlled pressure for material holding and assembly operations.
Material Handling & Sorting
The 740 mm stroke and sensor-ready magnet make it ideal for long-reach pushers and diverters on wide conveyor lines, accurately sorting large packages or pallets with end-of-stroke confirmation.
Industrial Automation Machinery
Commonly used in automated welding cells and large robotic workstations, the SC125X740S provides the high force and long travel needed for moving heavy tooling or positioning large components.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X740S the Right Cylinder?
For applications needing less force, stepping down to the SC100 bore provides 3927 N at 0.5 MPa. If more force is required, the SC160 bore delivers 10053 N at the same pressure. The 740 mm stroke on a 32 mm rod requires careful side-load management; for long-stroke applications with any lateral force, use an external guide or a guided cylinder to prevent rod bearing wear and bending.
When replacing this cylinder, match five key points: 125 mm bore, 740 mm stroke, PT1/2 port thread, the built-in magnet (-S suffix) for sensor compatibility, and the basic mounting configuration. This ensures a direct dimensional and functional interchange with another AirTAC SC125X740S.
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 SC125X740S 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 force at 1.0 MPa is 1251 kgf.
Yes. The -S suffix indicates a built-in magnet, allowing you to mount AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the cylinder barrel to detect piston position without external brackets.
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