
The AirTAC Airtac JSID Double Rod Cylinder JSID63X125 is a genuine double acting, double rod JIS-standard air cylinder with a Ø63mm bore and 125mm stroke, G3/8 air ports and adjustable end cushioning. Its no-tie-rod, hard-anodized profile barrel is more compact than an ISO 15552 cylinder of the same bore — a space-saver on tight machines.
Delivering 1402 N of thrust in both directions at 0.5 MPa, this 63 mm bore double-rod actuator uses a single piston with a rod exiting each cover. The symmetric layout creates an equal pressure area on both faces, completely eliminating push-pull force mismatch. It yields a safe working load of about 841 N, which translates to lifting roughly 71 kg vertically with a 2:1 safety margin.
Built to JIS standards with an extruded hard-anodized aluminum profile barrel, the unit is noticeably shorter than a same-bore ISO 15552 cylinder. It features a G3/8 port, an M18x1.5 rod thread, and 29 mm adjustable air cushions at both ends. Note that this specific SKU lacks a magnet, so it cannot accept CMSE or DMSE sensors without switching to the -S variant.
| Model | Airtac JSID Double Rod Cylinder JSID63X125 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 125 mm |
| Acting type | Double acting, double rod |
| Port size | G3/8 |
| Rod thread | M18×1.5 |
| 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, 29 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC JSI (JIS standard) datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G. Barrel: hard-anodized aluminum profile (no tie rods).
| Pressure | Force (both ways) | — |
|---|---|---|
| 0.5 MPa | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | 1962 N |
| Max (@1.0 MPa) | 318 kgf | |
Double-rod: the rod passes through both covers, so output force is equal in both directions.
| JSID | JIS-standard profile cylinder (double-rod type). |
|---|---|
| 63 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×125 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensors. |
JSI-family variants: JSI (double acting), JSID (double rod), JSIJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / TCM1 / TCM2. Thread PT (blank) / G.
Drives two opposing machining heads simultaneously with equal 1402 N force, keeping the part clamped symmetrically to prevent workpiece distortion.
Uses the rear rod extension to mount a counterweight or cam, balancing the front payload during high-speed 30-800 mm/s indexing without sagging.
Raises and lowers a heavy material stop with equal push and pull power, relying on the dual rods to prevent twisting under offset loads.
This 63 mm bore sits between the 50 mm (825 N) and 80 mm (2268 N) options, giving you 1402 N of equal both-ways force at 0.5 MPa. Choose a double-rod configuration when your machine demands anti-rotation stability, needs to drive twin tooling from opposite sides, or requires a symmetric load path to prevent side-loading. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Because this is a non-magnetized SKU, position sensing is unavailable; add the -S suffix for CMSE/DMSE switch readiness. For this 125 mm stroke, ensure external guide rails are used to absorb any lateral loads and protect the seals.
Quick checklist
Because the rod passes through both covers, force is equal in both directions: 1402 N at 0.5 MPa, 1962 N at 0.7 MPa, and a theoretical maximum of 286 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa, with a 1.5 MPa proof pressure.
No, a plain double-rod cylinder will drift if air is lost or the valve is centered. The 29 mm adjustable cushions only decelerate the piston near the end of stroke; they do not lock it. For vertical load holding, you must install an external rod lock or a pilot-operated check valve.
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