Airtac SSA Single-Acting Compact Cylinder SSA20X10B
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA20X10B 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 SSA20X10B
The AirTAC SSA20X10B is a compact single-acting push-type cylinder where air pressure extends the rod and an internal mechanical spring retracts it. It delivers 134.1 N of net push force at 0.5 MPa, meaning the opposing spring resistance is already subtracted from the raw pneumatic power. Because only one air line and one solenoid port drive the motion, you cut down on fittings and simplify valve requirements in tight fixtures.
This specific SKU features a male M6x1.0 threaded piston rod end, replacing the standard female M4x0.7, for direct mounting. The short riveted body saves axial mounting depth where round-body or profile cylinders will not fit. End-of-stroke deceleration is handled by a fixed NBR bumper, which absorbs shock but is not an adjustable air cushion.
Airtac SSA Single-Acting Compact Cylinder SSA20X10B Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA20X10B |
|---|---|
| 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 SSA20X10B
| 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 SSA20X10B Is Used
Short-Stroke Part Ejector
Uses the 134.1 N net push at 0.5 MPa to kick machined blanks out of a fixture, with the spring safely pulling the rod back clear of the tool path.
Male-Thread Clamping Pin
Leverages the M6x1.0 male rod end to thread directly into a custom clamp, applying holding pressure in a 10 mm gap before releasing upon venting.
Inline Lane Diverter
Fits into shallow conveyor frames via its compact riveted body to push lightweight packages sideways, needing only a single solenoid to actuate.
Is the Airtac SSA Single-Acting Compact Cylinder SSA20X10B the Right Cylinder?
When sizing this 20 mm bore actuator, compare its 134.1 N net push at 0.5 MPa against adjacent bores. Stepping down to the SSA16 yields 80.5 N, while moving up to the SSA25 provides 216.9 N, helping you bracket your actual load requirements. A practical safe working load is roughly 80 N, or a vertical lift of about 6.8 kg with a 2:1 safety margin.
This configuration has a 10 mm stroke, well under the 30 mm series ceiling. It uses an M5x0.8 port and lacks the -S magnet, so it cannot accept position switches. Because it is spring-return, the SSA20X10B will not hold a mid-stroke load on air loss; the spring drives it back to rest. For powered holding or equal force both ways, an SDA double-acting cylinder is required.
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 SSA20X10B 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 being subtracted from the raw air force.
No, this specific SKU lacks the -S magnet code, so it cannot accept reed or electronic switches. You must select the -S variant if position sensing is required.
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