Airtac AIRTAC SC125-160 Standard Cylinder SC160X550
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC160X550 is a genuine double-acting standard air cylinder with a Ø160mm bore and 550mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ160 mm
- Stroke550 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 29 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC160X550
The AirTAC SC160X550 is a double-acting tie-rod cylinder delivering a substantial 10053 N of push force at 0.5 MPa (18095 N at the 0.9 MPa maximum operating pressure). With a 160 mm bore and 550 mm stroke, this model is built for heavy linear actuation tasks where high force and a moderate working distance are required.
It features a robust 40 mm diameter piston rod with M36x2 threads, PT3/4 ports, and a 29 mm adjustable air cushion at each end to decelerate the piston smoothly. The total extended body length is approximately 789 mm (239 mm body length A plus 550 mm stroke). This cylinder is supplied with the standard TPU/NBR seals for operation in ambient temperatures from -20 to +70 °C.
Airtac AIRTAC SC125-160 Standard Cylinder SC160X550 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC160X550 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Stroke | 550 mm |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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, 29 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (approx.) | 2050 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 SC160X550
| SC | Standard tie-rod cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×550 | 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 SC160X550 Is Used
Heavy Press & Clamping
Generates up to 18095 N of force at 0.9 MPa for powerful clamping, pressing, and riveting operations in metal fabrication cells.
Pallet Stop & Lift
The 550 mm stroke and high push force are ideal for raising heavy pallets or stopping large items on gravity and powered conveyor lines.
Material Forming
Provides the consistent, high-thrust linear motion needed for bending, punching, or compacting materials in industrial forming machinery.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC160X550 the Right Cylinder?
Select the SC160X550 when your application requires a force class around 10053 N at standard plant pressure. If your load demands more force, stepping up to the SC200 bore provides 15708 N at the same 0.5 MPa. For a lighter, more compact solution, the SC125 bore offers 6136 N.
For this 550 mm stroke, ensure the rod is protected from significant side loads; an unsupported 40 mm rod at full extension can be subject to bending moments. Use an external linear guide or a guided cylinder variant to absorb lateral forces. When replacing this unit, match five key points: 160 mm bore, 550 mm stroke, PT3/4 port thread, basic mounting (no integrated bracket), 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 SC160X550 FAQ
At the standard 0.5 MPa operating pressure, the push force is 10053 N and the pull force is 9425 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 18095 N. The theoretical maximum force at 1.0 MPa is 2050 kgf.
No. The SC160X550 is a double-acting cylinder and will not hold its position if air pressure is lost or the valve is centered; the piston can drift. For load holding, you must add an external rod brake, a mechanical lock, or a pilot-operated check valve in the circuit.
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