Airtac SSA Single-Acting Compact Cylinder SSA40X5B
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA40X5B is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø40mm bore and 5mm 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
- Stroke5 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 SSA40X5B
The AirTAC SSA40X5B is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. It delivers 545.6 N of net push at 0.5 MPa, meaning the return spring force is already subtracted to give you a real design figure. This 40 mm bore unit features a 5 mm stroke and a male M14x1.5 piston rod end.
Because it requires only one air line and one solenoid port, plumbing is vastly simplified for short-stroke clamping duties. The short riveted body saves axial mounting depth in crowded fixtures. A fixed NBR bumper decelerates the stroke end, providing end-stop protection without adjustable air cushions.
Airtac SSA Single-Acting Compact Cylinder SSA40X5B Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA40X5B |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø40 mm |
| Stroke | 5 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 SSA40X5B
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×5 | 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 SSA40X5B Is Used
Short-Stroke Part Clamping
Uses the 545.6 N net push to secure heavy machined components against a stop during milling operations.
Transfer Line Ejection
Quickly shunts completed metal parts off a conveyor belt using the 5 mm stroke before the cycle repeats.
Press Fit Seating
Presses small bearings into housings on an automated assembly line using the male M14x1.5 threaded rod.
Is the Airtac SSA Single-Acting Compact Cylinder SSA40X5B the Right Cylinder?
When sizing this model, consider the neighbouring bores: stepping down to the SSA32 yields 346.6 N net push at 0.5 MPa, while stepping up to the SSA50 provides 874.7 N. A practical safe working load is approximately 327 N, which is about 60 percent of the 545.6 N figure at 0.5 MPa, allowing for a 2:1 vertical lift margin of roughly 27.8 kg.
This configuration features a 40 mm bore, 5 mm stroke, and a PT1/8 port. The B option specifies a male M14x1.5 rod thread. Note that standard strokes max out at 30 mm. Because this SKU lacks the S option, it has no piston magnet and cannot accept position switches. If air pressure drops below 0.2 MPa the spring wins and retracts the rod; it will not hold a mid-stroke load without live pressure or an external lock.
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 SSA40X5B 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 internal return spring resistance, giving you the actual usable output force.
No, this specific SKU does not include the S option for a piston magnet, so it cannot accept reed or electronic switches. You would need the -S variant for position sensing.
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