Airtac SSA Single-Acting Compact Cylinder SSA40X10SB
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA40X10SB 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 SSA40X10SB
The AirTAC SSA40X10SB is a compact single-acting push-type cylinder where air pressure extends the rod and an internal mechanical spring retracts it when exhaust occurs. At 40 mm bore, it generates 545.6 N of net push force at 0.5 MPa, meaning the opposing spring resistance is already subtracted from the raw pneumatic output. This short 10 mm stroke configuration uses a riveted body design that minimizes axial mounting depth, fitting easily into crowded machinery where longer profile or round-body units cannot.
This specific SKU includes the -S and -B options, equipping it with a built-in piston magnet for AirTAC reed or electronic switches, and a male M14x1.5 threaded piston rod end. The fixed NBR bumper absorbs end-of-stroke shock without offering adjustable cushioning. Operating pressure spans 0.2 to 1.0 MPa, requiring at least 0.2 MPa simply to overcome the return spring before any useful work begins.
Airtac SSA Single-Acting Compact Cylinder SSA40X10SB Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA40X10SB |
|---|---|
| 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 SSA40X10SB
| 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 SSA40X10SB Is Used
Press Fit Seating
Drives a 10 mm stroke to press small bearings into housings, utilizing the 545.6 N net push at 0.5 MPa for reliable seating.
Diverter Gate Actuation
Extends a sorting flap on a packaging line, with the internal spring ensuring the gate automatically retracts to a safe home position on air loss.
Pallet Component Ejection
Pushes completed subassemblies out of a tight fixture, where the compact riveted body saves valuable axial mounting depth.
Is the Airtac SSA Single-Acting Compact Cylinder SSA40X10SB the Right Cylinder?
When sizing this 40 mm bore model, compare its 545.6 N net push at 0.5 MPa against adjacent bores: the SSA32 provides 346.6 N, while the SSA50 yields 874.7 N. Applying a 2:1 safety margin to the 0.5 MPa figure gives a safe working load of roughly 327 N, capable of vertically lifting approximately 27.8 kg. The standard stroke ceiling for this series is 30 mm, so this 10 mm variant is well within limits.
Remember that the internal spring actively drives the rod back to its retracted rest position upon air loss; it will not hold a mid-stroke load. To lock a load safely without live pressure, an external rod lock or a double-acting SDA cylinder is required. This SSA40X10SB configuration features a PT1/8 port, a 16 mm rod diameter, the -S magnetic piston, and the -B male M14x1.5 rod thread.
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 SSA40X10SB FAQ
The net push force is 545.6 N at 0.5 MPa and 796.9 N at 0.7 MPa. These figures already account for the subtraction of the internal return spring force.
No, the internal spring drives the rod back to its fully retracted position when air is released. It requires a minimum of 0.2 MPa to overcome the spring and cannot hold a mid-stroke load without external mechanical locking.
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