Airtac SSA Single-Acting Compact Cylinder SSA40X10S
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA40X10S is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø40mm bore and 10mm stroke. Air pushes the rod and an internal spring returns it, so one solenoid line drives the motion — ideal for short-stroke clamping and ejection in tight spaces.
- BoreØ40 mm
- Stroke10 mm
- Port sizePT1/8
- Acting typeSingle acting, push type
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionFixed NBR bumper
About the Airtac SSA Single-Acting Compact Cylinder SSA40X10S
The AirTAC SSA40X10S is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. It provides a true 545.6 N net push at 0.5 MPa, meaning the return spring force is already subtracted from the raw pneumatic power. This 40 mm bore actuator uses a short riveted body that saves axial mounting depth where a standard round-body cylinder will not fit.
Because it requires only one air line and one solenoid port to drive the motion, plumbing is simplified and fitting costs drop. The -S suffix indicates a built-in piston magnet for position sensing with AirTAC reed or electronic switches. End-of-stroke energy is managed by a fixed NBR bumper, which decelerates the piston but is not an adjustable air cushion.
Airtac SSA Single-Acting Compact Cylinder SSA40X10S Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA40X10S |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø40 mm |
| Stroke | 10 mm |
| Acting type | Single acting, push type |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Fixed NBR bumper |
| Max standard stroke | Up to 30 mm |
Specifications follow the official AirTAC SDA-family datasheet. Single-acting types start at 0.2 MPa (the spring must be overcome). Confirm against the product label before installation.
Net Output Force (Ø40mm, Push)
| Pressure | Push force (net) |
|---|---|
| 0.5 MPa | 546 N |
| 0.7 MPa | 797 N |
These are NET output forces — the return-spring force is already deducted. Single-acting push only; the spring performs the opposite stroke. Size with a safety margin.
Model Code: Airtac SSA Single-Acting Compact Cylinder SSA40X10S
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×10 | Stroke length in mm (single-acting max 30 mm). |
| S | Built-in magnet for magnetic-switch sensing (omit = none). |
| B | Male-thread piston rod (omit = female thread). |
Thread: PT standard. SSA pushes out / spring returns; STA pulls in / spring extends. Related: SDA (double acting), SDAD (double rod), SDAJ (adjustable stroke).
Where the Airtac SSA Single-Acting Compact Cylinder SSA40X10S Is Used
Short-Stroke Part Ejection
Uses the 545.6 N net push to eject machined components from a fixture, with the spring safely retracting the 16 mm rod when air is removed.
Compact Clamping Station
Fits into tight assembly jigs where axial depth is restricted, applying clamping force and releasing automatically via the internal return spring.
Transfer Line Diverter
Pushes lightweight cartons off a main belt using a 10 mm stroke, relying on the fixed NBR bumper to absorb the end-of-travel shock.
Is the Airtac SSA Single-Acting Compact Cylinder SSA40X10S the Right Cylinder?
Size this 40 mm bore model by comparing its 545.6 N net push at 0.5 MPa against adjacent bores. Stepping down, the SSA32 yields 346.6 N; stepping up, the SSA50 provides 874.7 N. This SSA40X10S configuration has a 10 mm stroke (well under the 30 mm series ceiling), a PT1/8 port, a 16 mm rod, and a female M8x1.25 rod-end thread.
For sizing safety, a computed safe working load is roughly 327 N (about 60% of the 545.6 N figure), allowing a vertical lift of approximately 27.8 kg with a 2:1 margin. Remember the spring-return behaviour: if air pressure drops below the 0.2 MPa minimum or is removed entirely, the spring drives the rod back to rest and cannot hold a mid-stroke load.
Quick checklist
- ✓ Net push force at your working pressure
- ✓ Stroke ≤ 30 mm (single-acting limit)
- ✓ Single air line saves a valve/port
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 1.0 MPa operating pressure.
- check Remember the spring performs the return stroke.
- check Avoid side load on the short piston rod.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SSA Single-Acting Compact Cylinder SSA40X10S FAQ
This single-acting model provides a net push force of 545.6 N at 0.5 MPa and 796.9 N at 0.7 MPa. These figures already account for the internal return spring resistance.
No. It is a spring-return push cylinder that requires at least 0.2 MPa to overcome the spring. On air loss, the spring drives the rod back to its retracted rest position and will not hold a mid-stroke load.
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