Airtac AIRTAC SC125-160 Standard Cylinder SC125X50TC
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X50TC is a genuine double-acting standard air cylinder with a Ø125mm bore and 50mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke50 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X50TC
The SC125X50TC is a robust double-acting tie-rod cylinder delivering 6136 N of push force at 0.5 MPa, rising to 11045 N at the maximum operating pressure of 0.9 MPa. With a 50 mm stroke and a 32 mm piston rod, this model includes a centre trunnion (TC) mount, making it ideal for applications where the cylinder body needs to pivot during the stroke.
This genuine AirTAC SC series cylinder features a 203 mm body length (A) and adjustable air cushioning for smooth deceleration. The PT1/2 port and M27x2 rod thread provide reliable connections, while the standard TPU seals ensure consistent operation within a -20 to +70 °C temperature range.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X50TC Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X50TC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 50 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 SC125X50TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×50 | 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 SC125X50TC Is Used
Clamping & Fixturing
The 6136 N force at 0.5 MPa makes this cylinder suitable for heavy-duty workpiece clamping on machining centres, where the trunnion mount allows the cylinder to swing clear for loading.
Pivoting Conveyor Gates
The centre trunnion mount allows the SC125X50TC to pivot freely, making it a reliable actuator for diverting heavy packages or materials on conveyor lines with a short, powerful 50 mm stroke.
Agricultural Equipment Actuation
With its high force output and robust tie-rod construction, this cylinder is well-suited for actuating chutes, levers, or linkages on agricultural machinery where a pivoting motion is required.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X50TC the Right Cylinder?
For applications requiring a pivoting mount, the TC centre trunnion (supplied with TCM1 bracket, part code F-SC125TC) is the correct choice. If your force requirements are lower, consider stepping down to the SC100 bore, which provides 3927 N at 0.5 MPa. For higher forces, the SC160 bore offers 10053 N at the same pressure. Ensure your replacement matches all five key points: 125 mm bore, 50 mm stroke, PT port thread, TC mounting, 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 SC125X50TC FAQ
At the standard operating pressure of 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 increases to 11045 N. The theoretical maximum force at 1.0 MPa is 1251 kgf.
Yes, the TC suffix indicates the cylinder is supplied with the centre trunnion pivot and the matching TCM1 trunnion bracket. The accessory part code for this mounting is F-SC125TC. The cylinder body is designed to pivot on this bracket during operation.
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