Airtac SC50 Standard Cylinder SC50X172
The AirTAC Airtac SC50 Standard Cylinder SC50X172 is a genuine double-acting standard air cylinder with a Ø50mm bore and 172mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke172 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X172
The SC50X172 is a 50 mm bore double-acting pneumatic cylinder from the AirTAC SC tie-rod family, delivering a 172 mm stroke for medium-duty linear actuation. At a standard 0.5 MPa supply, it generates 982 N of push force and 825 N on the pull stroke, making it a solid choice for pressing, clamping, and material-transfer tasks that need a compact yet powerful actuator.
Built with a 20 mm diameter piston rod and M16x1.5 rod-end thread, this cylinder handles moderate side loads better than smaller bores. Its 21 mm adjustable air cushion at each end decelerates the piston smoothly, reducing end-of-stroke impact. The body length A is 150 mm, giving a total extended length of approximately 322 mm — a space-efficient footprint for machine builders.
Airtac SC50 Standard Cylinder SC50X172 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X172 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 172 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 SC50X172
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×172 | 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 SC50X172 Is Used
Part Transfer & Sorting
Pushes or diverts packages and components on conveyors. The 172 mm stroke provides enough travel to move items between parallel lines or into inspection stations.
Assembly Pressing
Delivers 982 N of insertion force for press-fit assembly of bearings, bushings, or pins. The adjustable cushion protects parts from impact damage at the end of the stroke.
Clamping & Fixturing
Holds workpieces securely during machining, welding, or gluing. The double-acting design provides controlled force in both directions for reliable clamping and release.
Is the Airtac SC50 Standard Cylinder SC50X172 the Right Cylinder?
Choose the SC50X172 when your application needs roughly 1000 N of force at standard plant air pressure. If you require more thrust, stepping up to the 63 mm bore (SC63) provides 1559 N push at 0.5 MPa; if space or weight is tight, the 40 mm bore (SC40) offers 628 N. For this 172 mm stroke, the rod bearing support is adequate for axial loads, but any significant side force should be managed with an external guide or a guided cylinder.
To replace an existing cylinder, match five points: 50 mm bore, 172 mm stroke, PT1/4 port thread, basic (no accessory) mounting, and confirm whether a magnet is needed (this model has no built-in magnet). The SC series is a tie-rod design and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC50X172 FAQ
At 0.5 MPa (≈73 psi) the cylinder produces 982 N push and 825 N pull. At the maximum operating pressure of 0.9 MPa, push force rises to 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
No. The AirTAC SC series is a tie-rod cylinder and is shorter in overall length than a typical ISO 15552 profile cylinder. It will only drop-in replace another AirTAC SC tie-rod cylinder with matching bore, stroke, port thread (PT), and mounting. Always verify the body length A (150 mm) and total extended length before ordering.
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