Airtac SC50 Standard Cylinder SC50X210FB
The AirTAC Airtac SC50 Standard Cylinder SC50X210FB is a genuine double-acting standard air cylinder with a Ø50mm bore and 210mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke210 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X210FB
The SC50X210FB is a double-acting, tie-rod pneumatic cylinder with a 50 mm bore and 210 mm stroke, supplied with a rear rectangular flange (FB) for secure end-face mounting. It produces a theoretical push force of 982 N at 0.5 MPa and 1767 N at the maximum operating pressure of 0.9 MPa, driven by a 20 mm diameter piston rod with M16x1.5 male threads.
This model features PT1/4 port threads and adjustable pneumatic cushioning over a 21 mm length at both ends, enabling smooth deceleration of the piston. The TPU/NBR seals provide a standard operating temperature range of -20 to +70 °C. The total extended body length is approximately 360 mm, based on a 150 mm body length plus the 210 mm stroke.
Airtac SC50 Standard Cylinder SC50X210FB Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X210FB |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 210 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 SC50X210FB
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×210 | 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 SC50X210FB Is Used
Pusher and Diverter Stations
Provides a strong 982 N push force at 0.5 MPa to reliably divert cartons or products on conveyor lines, with the FB flange ensuring a rigid, stationary mount against a frame.
Clamping and Fixturing
Delivers up to 1767 N of clamping force at 0.9 MPa for holding workpieces during machining or assembly. The rear flange mount allows the cylinder body to be bolted directly to the fixture base.
Press and Forming Tools
Supplies consistent linear force for light-duty pressing, stamping, or forming operations. The adjustable cushioning protects the tooling by decelerating the 20 mm rod smoothly at the end of the 210 mm stroke.
Is the Airtac SC50 Standard Cylinder SC50X210FB the Right Cylinder?
Select the SC50X210FB for applications needing a mid-range push force of 982 N at standard plant air pressure. If your load requires more force, stepping up to the SC63 bore provides 1559 N at the same 0.5 MPa; for a lighter, more compact solution, the SC40 bore delivers 628 N. The rear flange (FB) mounting style, using accessory F-SC50FB, rigidly secures the cylinder from the cap end, making it ideal for applications where the cylinder body must be fixed against a machine frame.
For this 210 mm stroke, ensure the load is guided and free from significant side forces; the 20 mm rod is robust, but an unsupported side load can cause rod bending or premature bearing wear. For a direct replacement, match the 50 mm bore, 210 mm stroke, PT port thread, FB rear flange mount, and confirm the magnet option is not required.
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 SC50X210FB FAQ
At 0.5 MPa, the theoretical 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. The theoretical maximum force at 1.0 MPa is 200 kgf.
It can replace another tie-rod cylinder if the critical dimensions and features match: a 50 mm bore, 210 mm stroke, PT1/4 ports, and an FB rear flange mount. The SC series is a tie-rod design and is dimensionally shorter than an ISO 15552 profile cylinder, so it is not a drop-in replacement for those types. Always verify the body length (150 mm + stroke) and mounting hole pattern.
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