Airtac AIRTAC SC125-160 Standard Cylinder SC125X285
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X285 is a genuine double-acting standard air cylinder with a Ø125mm bore and 285mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke285 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X285
The AirTAC SC125X285 is a double-acting tie-rod cylinder engineered for heavy-duty linear applications requiring a 285 mm stroke. With a 125 mm bore, this model generates a substantial 6136 N of push force at 0.5 MPa and up to 11045 N at the maximum operating pressure of 0.9 MPa, placing it firmly in the high-force class for industrial automation.
This ISO 6430 class cylinder features a robust 32 mm diameter piston rod with an M27x2 knuckle thread for secure tooling attachment. The body length A is 203 mm, and the total extended length is approximately 488 mm. It includes an adjustable pneumatic cushion with a 28 mm cushion length to decelerate end-of-stroke impacts, protecting the assembly from shock and vibration.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X285 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X285 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 285 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 SC125X285
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×285 | 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 SC125X285 Is Used
Material Handling Lifts
Provides the high push force needed to raise and lower heavy pallets or engine blocks on lift-assist stations, operating reliably with filtered compressed air.
Heavy-Gauge Clamping
Delivers 11045 N of clamping force at 0.9 MPa for securing large weldments or castings during machining, preventing workpiece movement under high tool pressure.
Balers and Compactors
Powers the main compression ram in small to medium balers, using the 285 mm stroke to compact cardboard, plastics, or metal shavings into dense, manageable bales.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X285 the Right Cylinder?
Select the SC125X285 when your application demands force in the 6000-11000 N range. For a step down in force and physical size, the SC100 bore delivers 3927 N at 0.5 MPa. For even greater thrust, the SC160 bore provides 10053 N at the same pressure. This 285 mm stroke is well within the 1500 mm maximum standard stroke for the 125 mm bore.
Ensure a proper replacement match by verifying five key points: the 125 mm bore, 285 mm stroke, PT port thread, basic mounting configuration (no included brackets), and the absence of a built-in magnet. The tie-rod construction makes this cylinder shorter than an ISO 15552 profile unit, so it is not a drop-in replacement for that standard.
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 SC125X285 FAQ
The theoretical push force is 6136 N at 0.5 MPa, 8590 N at 0.7 MPa, and 11045 N at 0.9 MPa. The pull force on the retract stroke is slightly lower due to the rod area, measuring 5734 N at 0.5 MPa.
No. The AirTAC SC series is a tie-rod cylinder and is physically shorter than a standard ISO 15552 profile cylinder. It is dimensionally interchangeable only with another AirTAC SC tie-rod cylinder of the same bore, stroke, and mounting configuration.
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