Airtac AIRTAC SC125-160 Standard Cylinder SC125X48
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X48 is a genuine double-acting standard air cylinder with a Ø125mm bore and 48mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke48 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X48
The SC125X48 is a double-acting pneumatic cylinder delivering a substantial 6136 N of push force at 0.5 MPa (11045 N at the 0.9 MPa maximum operating pressure). Its 48 mm stroke suits short-throw clamping, pressing, and positioning tasks where high force in a compact cycle length is critical.
Built with a 32 mm diameter piston rod and M27x2 male rod thread, this ISO 6430 class tie-rod cylinder provides robust linear guidance. The 28 mm adjustable air cushion at each end decelerates the piston smoothly, protecting end caps during high-speed operation within the 30-500 mm/s speed range.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X48 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X48 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 48 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 SC125X48
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×48 | 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 SC125X48 Is Used
Heavy-Duty Clamping
Short 48 mm stroke with 6136 N force at 0.5 MPa securely clamps large weldments, castings, or structural assemblies during machining or joining.
Die Cushion & Stripping
Delivers controlled, high-force stripping or die cushioning in metal stamping presses, utilizing the adjustable end-of-stroke cushion to manage impact.
Pallet Stop & Lift
Acts as a robust end-of-line pallet stop or short vertical lift in material handling systems, reliably holding position against heavy conveyed loads.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X48 the Right Cylinder?
For applications needing more force, step up to the SC160 (10053 N at 0.5 MPa); for a lighter, faster actuator, the SC100 offers 3927 N. When replacing this cylinder, match five points: 125 mm bore, 48 mm stroke, PT port thread, basic (no bracket) mounting, and confirm the magnet option (this model has no built-in magnet).
Although the stroke is short, any side load on the 32 mm rod can cause premature bearing wear. If the load is not guided externally, consider adding a linear guide or switching to a guided cylinder configuration.
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 SC125X48 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 at 1.0 MPa is 1251 kgf.
This specific model (SC125X48) does not include the -S magnet option, so standard CMSG/DMSG/EMSG sensors cannot be used. To use sensors, order the SC125X48-S variant, which has a built-in magnet band on the piston.
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