The AirTAC Airtac SC40 Standard Cylinder SC40X165 is a genuine double-acting standard air cylinder with a Ø40mm bore and 165mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X165 is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, delivering a push force of 628 N at 0.5 MPa (1130 N at 0.9 MPa). With a 40 mm bore and 165 mm stroke, it suits medium-force linear applications where a compact footprint is required.
This model features a 16 mm diameter piston rod with M12x1.25 male threads and PT1/4 ports. The adjustable air cushion at each end provides a 21 mm deceleration zone, reducing end-of-stroke impact. The body length A measures 142 mm, giving an extended length of approximately 307 mm.
| Model | Airtac SC40 Standard Cylinder SC40X165 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 165 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. |
| ×165 | 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.
Provides the 628 N push force at standard plant pressure to divert packages or parts on a conveyor line, with the 165 mm stroke clearing the belt width.
Applies consistent clamping pressure in machining or welding jigs, where the 16 mm rod offers good rigidity for the 165 mm extension.
Delivers controlled linear force for inserting bearings or bushings, with the adjustable cushion softening the stop at full insertion depth.
For applications needing higher force, the 50 mm bore SC series steps up to 982 N at 0.5 MPa, while the 32 mm bore offers 402 N if a lighter, more compact unit is preferred. At a 165 mm stroke, side-loading is not a primary concern for this bore size, but always align the rod with the load path to prevent premature bearing wear.
When replacing this cylinder, match five key points: 40 mm bore, 165 mm stroke, PT1/4 port thread, the specific mounting accessory (if any), and the magnet option. The SC tie-rod design is shorter than an ISO 15552 cylinder, so dimensional interchangeability is limited to other AirTAC SC models.
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 reaches 1130 N. The theoretical maximum at 1.0 MPa is 128 kgf.
No. The AirTAC SC series is a tie-rod cylinder that is physically shorter than a standard ISO 15552 profile cylinder. For a direct dimensional replacement, you must use another AirTAC SC40 cylinder with the same stroke and port configuration.
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