Airtac AIRTAC SC125-160 Standard Cylinder SC125X170
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X170 is a genuine double-acting standard air cylinder with a Ø125mm bore and 170mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke170 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X170
The AirTAC SC125X170 is a double-acting tie-rod cylinder delivering a substantial push force of 6136 N at 0.5 MPa (11045 N at the maximum operating pressure of 0.9 MPa). Its 32 mm diameter piston rod and 170 mm stroke are well-suited for heavy linear actuation tasks that require a robust, non-corrosive push-pull mechanism.
This model features a 28 mm adjustable air cushion to decelerate the piston smoothly at the end of each stroke, reducing impact noise and vibration. The body length A is 203 mm, giving a total extended length of approximately 373 mm. Standard PT1/2 ports and an M27x2 rod thread ensure straightforward pneumatic connections and tooling attachment.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X170 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X170 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 170 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 SC125X170
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×170 | 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 SC125X170 Is Used
Pallet Stop & Lift
Deploy the 6136 N push force at 0.5 MPa to raise or stop heavy pallets on conveyor lines, providing a robust mechanical interface for material handling systems.
Heavy-Duty Clamping
Use the 11045 N force at 0.9 MPa for powerful, sustained clamping of large workpieces in welding fixtures or machining centers, ensuring zero part movement during operation.
Press-Fit Assembly
The 32 mm diameter rod provides the rigidity needed for pressing bearings, bushings, or pins into housings, delivering controlled, repeatable insertion force in automated assembly cells.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X170 the Right Cylinder?
Select the SC125 bore when your application requires a force between the SC100 (push force 3927 N at 0.5 MPa) and the SC160 (10053 N at 0.5 MPa). The 170 mm stroke is a standard length for this bore, well within its 1500 mm maximum. For replacement, match five key points: bore (125 mm), stroke (170 mm), port thread (PT), mounting accessory (basic, no bracket), and magnet option (none).
At this stroke length, the rod is fully guided by the front bearing, but any significant side load will create a bending moment on the 32 mm rod. For applications with lateral forces, an external linear guide or a guided cylinder configuration is strongly recommended to prevent premature rod bearing and seal wear.
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 SC125X170 FAQ
At 0.7 MPa operating pressure, the SC125 bore generates a theoretical push force of 8590 N and a pull force of 5734 N. The maximum push force at 0.9 MPa is 11045 N. Always apply a safety factor for real-world dynamic loads.
No. The SC series is a tie-rod cylinder and is dimensionally shorter than an ISO 15552 profile cylinder, so it is not a drop-in interchange. It is a direct replacement for another AirTAC SC125 tie-rod cylinder with the same bore, stroke, PT port, and basic mounting configuration. Only the big bore SC125-250 models are described as ISO 6430 class.
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