Airtac SC40 Standard Cylinder SC40X140SLB
The AirTAC SC40 Standard Cylinder SC40X140SLB is a genuine double-acting standard air cylinder with a Ø40mm bore and 140mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ40 mm
- Stroke140 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 21 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SC40 Standard Cylinder SC40X140SLB
The SC40X140SLB is a double-acting pneumatic cylinder that generates 628 N of push force at 0.5 MPa (1130 N at the 0.9 MPa maximum operating pressure). Its 140 mm stroke suits medium-reach clamping, pressing, and material-transfer tasks where a compact body length is needed.
This model comes factory-equipped with a built-in magnet (-S suffix) so CMSG, DMSG, or EMSG sensors can be clamped directly onto the tie-rod barrel for non-contact position sensing. The LB foot mount (F-SC40LB) provides a stable axial mounting base, and the 16 mm diameter piston rod with M12x1.25 thread handles straightforward push-pull loads.
Airtac SC40 Standard Cylinder SC40X140SLB Technical Specifications
| Model | Airtac SC40 Standard Cylinder SC40X140SLB |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 140 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (approx.) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC40 Standard Cylinder SC40X140SLB
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×140 | 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 SC40 Standard Cylinder SC40X140SLB Is Used
Part Stops & Diverters
The 140 mm stroke and LB foot mount suit conveyor-mounted part stops, diverters, and gates in packaging lines where sensor confirmation is required.
Light Assembly Presses
Delivers 628 N at 0.5 MPa for pressing bushings, pins, or connectors in bench-top assembly fixtures with magnetic position feedback.
Hopper Gate Actuation
Operates slide gates on small hoppers and chutes. The built-in magnet lets sensors confirm open/closed status in dusty environments.
Is the Airtac SC40 Standard Cylinder SC40X140SLB the Right Cylinder?
Choose the SC40 bore when 628 N at 0.5 MPa covers your load with margin; if you need roughly 56% more force, step up to the SC50 bore (982 N at 0.5 MPa). For lighter, faster cycling, the SC32 bore (402 N at 0.5 MPa) may be a better fit. The 140 mm stroke is well within the 1200 mm maximum standard stroke for this bore.
When replacing an existing unit, match five points: 40 mm bore, 140 mm stroke, PT1/4 port thread, LB foot mounting (F-SC40LB), and the built-in magnet (-S) for sensor compatibility. For strokes above 300 mm, consider an external guide or guided cylinder to protect the rod from side-load bending.
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 SC40 Standard Cylinder SC40X140SLB FAQ
At 0.5 MPa the cylinder delivers 628 N pushing and 528 N pulling. At the maximum operating pressure of 0.9 MPa, push force rises to 1130 N. The theoretical maximum at 1.0 MPa is 128 kgf.
Yes. The -S suffix in the model code means a magnet is built into the piston, so AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors clamp directly onto the tie-rod barrel for end-of-stroke or intermediate position detection.
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