Airtac SC50 Standard Cylinder SC50X120SN
The AirTAC Airtac SC50 Standard Cylinder SC50X120SN is a genuine double-acting standard air cylinder with a Ø50mm bore and 120mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke120 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X120SN
The SC50X120SN is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa, scaling up to 1767 N at the maximum operating pressure of 0.9 MPa. With a 20 mm diameter piston rod and a 120 mm stroke, this model is well-suited for medium-duty clamping, pressing, and sorting tasks where consistent linear motion is required.
This unit features a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for reliable end-of-stroke detection. The NBR (nitrile) seals provide a cost-effective sealing solution for standard industrial environments, while the PT1/4 port thread ensures compatibility with common pneumatic fittings.
Airtac SC50 Standard Cylinder SC50X120SN Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X120SN |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 120 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC50 Standard Cylinder SC50X120SN
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×120 | 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 SC50 Standard Cylinder SC50X120SN Is Used
Sorting Gates
Actuates diverter gates on conveyor lines, using the 120 mm stroke to reliably push products onto branch lines. The built-in magnet confirms gate position.
Clamping Fixtures
Provides 982 N of clamping force at standard line pressure for woodworking or metal fabrication jigs, holding workpieces securely during machining.
Assembly Presses
Delivers a controlled 120 mm press stroke for inserting bearings, bushings, or dowels, with sensor feedback ensuring full insertion depth.
Is the Airtac SC50 Standard Cylinder SC50X120SN the Right Cylinder?
Selecting the SC50X120SN provides a balanced force output for many factory automation tasks. If your application requires higher force, stepping up to the 63 mm bore offers 1559 N of push at 0.5 MPa. For lighter, faster cycling, the 40 mm bore provides 628 N. This is a genuine AirTAC tie-rod cylinder, shorter than an ISO 15552 profile, so when replacing, match the 50 mm bore, 120 mm stroke, PT port thread, NBR seals, and the -S magnet option to ensure a direct dimensional and functional swap.
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 SC50 Standard Cylinder SC50X120SN FAQ
At 0.5 MPa, the push force is 982 N and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N.
Yes. The -S suffix indicates a built-in magnet, so you can clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the cylinder's tie-rod barrel to detect piston position.
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