The AirTAC Airtac SC40 Standard Cylinder SC40X75CB is a genuine double-acting standard air cylinder with a Ø40mm bore and 75mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X75CB is a double-acting pneumatic cylinder delivering 628 N of push force at 0.5 MPa (1130 N at 0.9 MPa). With a 40 mm bore and 75 mm stroke, it uses a 16 mm diameter piston rod and PT1/4 ports, making it a compact yet robust actuator for medium-duty linear tasks.
This model features a rear double clevis (CB) mount, allowing the cylinder body to pivot during operation. The adjustable pneumatic cushion at each end decelerates the piston smoothly over 21 mm, reducing end-of-stroke impact. Standard TPU seals provide reliable operation from -20 to +70 °C.
| Model | Airtac SC40 Standard Cylinder SC40X75CB |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 75 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.
| 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.
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×75 | 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.
The rear double clevis mount allows the SC40X75CB to pivot freely, making it ideal for actuating linkages on agricultural equipment like planter row units or chute diverters where the cylinder must follow an arc.
With 628 N of push force at standard shop air, this cylinder reliably shifts small diverter gates on packaging conveyors. The 75 mm stroke provides sufficient travel to redirect light packages between lanes.
The 40 mm bore provides ample force for pneumatic clamping in CNC woodworking or light metal fabrication jigs. The pivoting clevis mount simplifies fixture design by allowing the clamp arm to swing clear of the workpiece.
For higher force, step up to the 50 mm bore SC50 series which provides 982 N at 0.5 MPa. For lighter, faster applications, the 32 mm bore SC32 series offers 402 N. This 75 mm stroke is well within the 1200 mm maximum standard stroke for the 40 mm bore.
When replacing this cylinder, match five key points: 40 mm bore, 75 mm stroke, PT1/4 port thread, rear double clevis mounting (F-SC40CB), and the standard non-magnetic piston. The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
Quick checklist
At 0.5 MPa, the push force is 628 N and the pull force is 528 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 1130 N. The theoretical maximum force at 1.0 MPa is 128 kgf.
No. The AirTAC SC series is a tie-rod cylinder with a shorter overall body length than an ISO 15552 cylinder. The mounting dimensions and accessory interfaces are different. It is a direct replacement only for another AirTAC SC40 tie-rod cylinder with matching bore, stroke, and rear double clevis mount.
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