Airtac SSA Single-Acting Compact Cylinder SSA20X10SB
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA20X10SB is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø20mm 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.
- BoreØ20 mm
- Stroke10 mm
- Port sizeM5×0.8
- Acting typeSingle acting, push type
- Rod threadM4×0.7 (F) / M6×1.0 (B)
- CushionFixed NBR bumper
About the Airtac SSA Single-Acting Compact Cylinder SSA20X10SB
The AirTAC SSA20X10SB is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. It generates 134.1 N of net push at 0.5 MPa, meaning the return spring force is already subtracted from the raw air force. The short riveted body minimizes axial mounting depth, making it ideal for crowded fixtures where standard cylinders fail to fit.
This specific configuration includes a built-in piston magnet for AirTAC reed or electronic switches, plus a male M6x1.0 threaded rod end. A fixed NBR bumper decelerates the stroke end, though it is not an adjustable air cushion. The unit requires only one air line and one solenoid port, simplifying plumbing while operating at 50-500 mm/s.
Airtac SSA Single-Acting Compact Cylinder SSA20X10SB Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA20X10SB |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø20 mm |
| Stroke | 10 mm |
| Acting type | Single acting, push type |
| Port size | M5×0.8 |
| Rod end thread | M4×0.7 female / M6×1.0 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 (Ø20mm, Push)
| Pressure | Push force (net) |
|---|---|
| 0.5 MPa | 134 N |
| 0.7 MPa | 197 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 SSA20X10SB
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 20 | 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 SSA20X10SB Is Used
Short-Stroke Part Ejection
Uses the 134.1 N net push to eject small machined components from a fixture, saving axial space with its compact riveted body.
Transfer Line Diverter
Employs the single air line and male M6x1.0 rod to push lightweight packages onto a secondary conveyor branch efficiently.
Vertical Lift Stopper
Lifts a 6.8 kg load vertically with a 2:1 safety margin, relying on the internal spring to retract the 8 mm rod when air is released.
Is the Airtac SSA Single-Acting Compact Cylinder SSA20X10SB the Right Cylinder?
When sizing this model, consider the neighboring bores: stepping down to the SSA16 yields 80.5 N net push at 0.5 MPa, while stepping up to the SSA25 provides 216.9 N. With a 2:1 safety margin, this 20 mm bore achieves a vertical lift capacity of roughly 6.8 kg, offering a safe working load around 80 N. Select this 10 mm stroke configuration if your application requires very short extension.
Remember the 30 mm maximum standard stroke ceiling for this series. Because it is spring-return, the SSA20X10SB does not hold a mid-stroke load on air loss; the spring drives the rod back to rest. Confirm your requirements for the M5x0.8 port, the -S magnet, and the -B male M6x1.0 rod thread before ordering.
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 SSA20X10SB FAQ
The net push force is 134.1 N at 0.5 MPa and 196.9 N at 0.7 MPa. These figures already account for the internal return spring resistance, giving you the true usable output force for your design calculations.
No, the internal spring drives the rod back to its retracted rest position on air loss, so it cannot hold a mid-stroke load. The system requires a minimum of 0.2 MPa operating pressure to overcome the spring and extend the rod.
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