Airtac SCD Standard Cylinder SCD125X60
The AirTAC Airtac SCD Standard Cylinder SCD125X60 is a genuine double-acting DOUBLE-ROD air cylinder: the Ø32mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø125mm bore, 60mm stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ125 mm
- Rod (both ends)Ø32 mm
- Stroke60 mm
- Port sizePT1/2
- Rod configDouble rod (through)
- CushionAdjustable, 28 mm
About the Airtac SCD Standard Cylinder SCD125X60
The SCD125X60 is a double-acting, double-rod pneumatic cylinder engineered for tasks demanding symmetrical force and speed in both directions. With a 125 mm bore and a 32 mm rod passing through both end caps, it produces an identical 5734 N of thrust on the extend and retract strokes at 0.5 MPa, making it ideal for applications where a rear rod connection is needed for cams, flags, or dual-sided tooling.
This ISO 6430 class tie-rod cylinder features a 60 mm standard stroke and adjustable pneumatic cushioning at both ends, with a 28 mm cushion length to decelerate the piston smoothly. The body length A(SCD) is 291 mm, providing a compact yet robust envelope for heavy-duty, non-rotating linear tasks up to its 1500 mm maximum standard stroke.
Airtac SCD Standard Cylinder SCD125X60 Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD125X60 |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Rod diameter | Ø32 mm (both ends) |
| Stroke | 60 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M27×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 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.
Theoretical Output Force (Ø125mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 5734 N | 5734 N |
| 0.7 MPa | 8027 N | 8027 N |
| Max (@1.0 MPa) | 1169 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.
Model Code: Airtac SCD Standard Cylinder SCD125X60
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 125 | 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.
Where the Airtac SCD Standard Cylinder SCD125X60 Is Used
Dual-Sided Transfer Shuttles
The through-rod design allows tooling to be mounted on both ends, enabling a single cylinder to shuttle parts between two stations with perfectly synchronized motion and equal force in each direction.
Non-Rotating Alignment Stations
With a 32 mm rod supported by bearings in both end caps, the SCD125X60 provides superior resistance to rod rotation, making it a reliable actuator for pressing alignment pins or guiding components without a twist.
Rear-Mounted Stroke Sensing
The protruding rear rod provides a convenient, clean mounting point for a sensor flag or trip cam, allowing end-of-stroke detection to be positioned away from the primary working area and potential contamination.
Is the Airtac SCD Standard Cylinder SCD125X60 the Right Cylinder?
Select the SCD125X60 when your mechanism requires a balanced push-pull output of 5734 N at 0.5 MPa from both rod ends. If your force requirement is lower, stepping down to an SCD100 bore reduces the bidirectional force to 3681 N at the same pressure, saving energy and space. For applications needing only a single working end, the SC single-rod series offers a higher push force in the same bore size. A genuine AirTAC replacement must match the 125 mm bore, 60 mm stroke, PT port thread, and basic mounting configuration; adding the -S magnet option enables use of CMSG/DMSG sensors.
Double-rod checklist
- ✓ Need equal force / speed both directions?
- ✓ Rear rod for tooling, stopper or sensor flag?
- ✓ Better rod guidance / anti-rotation?
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Keep BOTH rod ends clear of side load and interference.
- check Adjust end cushion screws for smooth stops.
- check Use SCD mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCD Standard Cylinder SCD125X60 FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa, the output is 5734 N in both directions. At the maximum operating pressure of 0.9 MPa, the force reaches 10321 N.
Choose the SCD double-rod type when you need to mount tooling or a sensor flag on the rear rod, require perfectly equal force and speed in both directions, or need the enhanced anti-rotation guidance the through-rod provides. If you only need force from one end, a single-rod SC cylinder will be more compact.
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