The AirTAC AirTAC SDA50X5SB Compact Cylinder | 50mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø50mm bore and 5mm stroke, PT1/4 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA50X5SB is a double-acting single-rod compact cylinder engineered for tight axial spaces. It delivers a robust 981.7 N push and 824.7 N pull at 0.5 MPa, making it suitable for heavy-duty clamping and short-stroke pressing. The riveted body design drastically reduces overall mounting depth compared to standard round-body cylinders, saving valuable machine footprint.
This specific configuration includes a built-in piston magnet (-S) for position sensing via AirTAC reed or electronic switches fitted into the body grooves. It also features a male-thread piston rod (-B) sized at M18x1.5 for secure mechanical load coupling. The unit relies on a fixed NBR bumper at each end to decelerate the stroke end, operating effectively between 0.15 and 1.0 MPa at speeds of 30-500 mm/s.
| Model | AirTAC SDA50X5SB Compact Cylinder | 50mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø50 mm |
| Stroke | 5 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 120 mm |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×5 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Uses the 981.7 N extend force to knock stamped metal parts out of progressive dies quickly within a 5mm travel distance.
Secures heavy steel workpieces against a machining fixture using the male M18x1.5 threaded rod for rigid mounting.
Folds heavy corrugated carton flaps in high-speed packaging lines where the short riveted body minimizes machine width.
Selecting this 50mm bore model provides a theoretical maximum push force of 200 kgf at 1.0 MPa. If you need to step down in force, the SDA40 offers 628.3 N push at 0.5 MPa; stepping up, the SDA63 yields 1558.6 N push at 0.5 MPa. For this SDA50X5SB configuration, confirm the 5mm stroke, PT1/4 port, integrated magnet, and male M18x1.5 rod end suit your assembly. A computed safe working load is approximately 589 N (about 60% of the 981.7 N figure), allowing a vertical lift of roughly 50 kg with a 2:1 safety margin.
Keep in mind that a plain compact cylinder does not hold its position or load when air pressure is lost or the valve is centered. The piston will drift, and the fixed NBR bumper only decelerates the stroke near the end without acting as a lock or brake. If your application requires holding a load without live pressure, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
At 0.5 MPa, the push force is 981.7 N and the pull force is 824.7 N. At 0.7 MPa, the push force is 1374.4 N. The theoretical maximum push force is 200 kgf at the 1.0 MPa operating pressure limit.
It uses a fixed NBR bumper at each end to decelerate the piston, which is not an adjustable air cushion. For high-speed or high-energy loads, add an external shock absorber. The built-in magnet allows you to mount AirTAC reed or electronic switches along the body grooves for position detection.
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