The AirTAC Airtac SCD Standard Cylinder SCD40X60S is a genuine double-acting DOUBLE-ROD air cylinder: the Ø16mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø40mm bore, 60mm stroke, PT1/4 ports and adjustable end cushioning.
The SCD40X60S is a double-acting, double-rod pneumatic cylinder delivering truly symmetrical force—528 N in both extend and retract at 0.7 MPa—because the 16 mm rod passes through both end caps. This 40 mm bore unit features a built-in magnet, letting you clamp CMSG or DMSG sensors directly onto the tie-rod barrel for clean, reliable end-of-stroke detection without external flags.
With a compact 60 mm stroke and a body length A of 191 mm, it fits neatly into fixtures where space is tight but you need a rod on both sides. The rear rod extension is ideal for mounting a stopper bolt, a secondary tool, or a visual position indicator, giving you more machine-design flexibility than a single-rod cylinder of the same envelope.
| Model | Airtac SCD Standard Cylinder SCD40X60S |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø40 mm |
| Rod diameter | Ø16 mm (both ends) |
| Stroke | 60 mm |
| Rod configuration | Double rod — rod through both caps |
| 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 SCD (double-rod) datasheet. Because the rod runs through both caps, the effective area is (bore² − rod²) in both directions. Confirm against the product label before installation. Thread options: PT (standard) / G.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 528 N | 528 N |
| 0.7 MPa | 739 N | 739 N |
| Max (@1.0 MPa) | 108 kgf | |
Push and pull are EQUAL on a double-rod cylinder — both chambers lose the rod area, so effective area = (bore² − rod²) each way. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 40 | Bore size in mm. |
| ×60 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCJ (adjustable stroke), SCT (multi-position). SCD mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
The through-rod design lets you attach a pick-and-place gripper on the front end and a counterbalance or secondary tool on the rear, moving both simultaneously with equal force and speed.
With the built-in magnet, mount DMSG sensors to confirm the rod has fully retracted or extended. Use the rear rod as a hard stop with a cushion bolt, monitored by a sensor on the back end.
The dual-rod bearing support provides better resistance to twisting than a single-rod cylinder, making it suitable for light pushing or ejecting tasks where the tooling must not rotate.
Choose the SCD40 when your application needs balanced push-pull output around 528 N at 0.7 MPa. If you require more force, step up to the SCD50 bore, which provides 1154 N at the same pressure. For tasks that only need force in one direction, the single-rod SC40 is a lighter, shorter alternative. This SCD40X60S includes a magnet for sensor mounting; when replacing an existing unit, match bore (40), stroke (60), PT port thread, basic mounting, and the -S magnet option to ensure drop-in compatibility.
Double-rod checklist
Push and pull forces are identical because the rod extends from both ends. At 0.5 MPa you get 528 N, at 0.7 MPa you get 739 N, and at the maximum operating pressure of 0.9 MPa the force is 950 N in both directions.
Pick the SCD when you need equal force and speed in both directions, or when you want to use the rear rod extension for mounting tooling, a stop, or a sensor target. The through-rod also provides better guidance and anti-rotation than a single-rod cylinder, though it is not a replacement for a fully guided unit under heavy side loads.
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