Airtac SC50 Standard Cylinder SC50X1170TC
The AirTAC Airtac SC50 Standard Cylinder SC50X1170TC is a genuine double-acting standard air cylinder with a Ø50mm bore and 1170mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1170 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1170TC
The AirTAC SC50X1170TC is a double-acting single-rod pneumatic cylinder delivering 982 N of push force at 0.5 MPa and 1767 N at the maximum operating pressure of 0.9 MPa. With a 50 mm bore and a long 1170 mm stroke, this model is equipped with a centre trunnion (TC) mount, making it ideal for applications where the cylinder body needs to pivot during operation.
This tie-rod cylinder features a 20 mm diameter piston rod with an M16x1.5 thread and PT1/4 ports. The total extended body length is approximately 1320 mm, combining the 150 mm body length A with the 1170 mm stroke. An adjustable air cushion on both ends decelerates the piston to reduce end-of-stroke impact, protecting the assembly at high cycle rates.
Airtac SC50 Standard Cylinder SC50X1170TC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1170TC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1170 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 SC50X1170TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1170 | 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 SC50X1170TC Is Used
Long-Reach Material Transfer
The 1170 mm stroke and pivoting trunnion mount suit long-distance part pushers or diverters on wide conveyors, where the cylinder body can swing to follow the load path.
Clamping Large Assemblies
Provides substantial clamping force for large jigs or fixtures in woodworking or metal fabrication, with the trunnion allowing the cylinder to self-align as the clamp closes.
Agricultural Machinery Actuation
Used for remote gate or chute control on harvesting or processing equipment, where the long stroke and robust tie-rod construction withstand harsh, dusty environments.
Is the Airtac SC50 Standard Cylinder SC50X1170TC the Right Cylinder?
For applications requiring less force, stepping down to a 40 mm bore provides 628 N of push force at 0.5 MPa. If higher force is needed, the 63 mm bore delivers 1559 N at the same pressure. The 1170 mm stroke is within the 1200 mm maximum standard stroke for the 50 mm bore.
At this stroke length, the piston rod is highly extended and vulnerable to bending under side loads. It is strongly recommended to use an external guide mechanism or ensure the load is perfectly axial to prevent rod bearing damage and seal wear. For replacement, match the 50 mm bore, 1170 mm stroke, PT1/4 port thread, centre trunnion mount (F-SC50TC), and confirm the magnet requirement.
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 SC50X1170TC FAQ
At 0.7 MPa (7 bar), the theoretical push force is 1374 N. The maximum push force at the 0.9 MPa operating limit is 1767 N. For precise sizing, account for your application's friction and load factor.
With a 20 mm rod extended to 1170 mm, side loading must be avoided. Use an external linear guide rail or rod-alignment coupler to carry the load's weight and any off-axis forces. The centre trunnion mount handles the cylinder's own pivoting but does not support the rod against bending.
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