The AirTAC AirTAC SDA63X85SBH Compact Cylinder | 63mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø63mm bore and 85mm 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 SDA63X85SBH is a double-acting single-rod compact cylinder engineered to deliver 1558.6 N of push force and 1401.5 N of pull force at 0.5 MPa. Its short riveted body significantly reduces axial mounting depth compared to round-body units, saving valuable machine footprint in tight assemblies. The bore is hard-anodized, and the piston relies on a two-way seal to maintain efficient operation across a 30-500 mm/s speed range.
This specific configuration includes the -S magnet for direct mounting of AirTAC reed or electronic switches in the body grooves, alongside the -B male M18x1.5 piston rod end for robust load coupling. The -H fluororubber (FKM) seal variant provides enhanced resistance to higher temperatures and oil exposure. End-stops rely on a fixed NBR bumper to decelerate the piston, which is not an adjustable air cushion. For high kinetic energy cycles, adding an external shock absorber is advised.
| Model | AirTAC SDA63X85SBH Compact Cylinder | 63mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø63 mm |
| Stroke | 85 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 | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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. |
|---|---|
| 63 | Bore size in mm. |
| ×85 | 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).
Handles heavy component clamping on welding lines where the short riveted body minimizes protrusion into robotic work cells.
Drives heavy product diverters on packaging conveyors, utilizing the 1558.6 N extend force to shift loaded cartons efficiently.
Actuates heavy tool magazines where the male M18x1.5 rod thread securely couples to the toolholder carriage.
When sizing this 63 mm bore actuator, consider stepping down to the SDA50, which yields 981.7 N of push at 0.5 MPa, or moving up to the SDA80, which provides 2513.3 N at the same pressure. Based on the 1558.6 N output, the computed safe working load is approximately 935 N (60% capacity), translating to a vertical lift capability of about 79.4 kg with a 2:1 safety margin. To finalize your order, confirm the 63 mm bore, 85 mm stroke, PT1/4 port, male M18x1.5 rod thread, magnetic switch readiness, and FKM seals. Remember that a standard compact cylinder drifts if air pressure is lost or the valve is centered, as the fixed bumper only decelerates near stroke end rather than locking the load; utilize an external rod lock or pilot-operated check valve for strict position holding.
Quick checklist
This double-acting 63 mm bore cylinder provides 1558.6 N push and 1401.5 N pull at 0.5 MPa, and 2182.1 N push with 1962.2 N pull at 0.7 MPa. The theoretical maximum push force is 318 kgf at 1.0 MPa, with an operating pressure range of 0.15-1.0 MPa.
It uses a fixed NBR bumper at each end to decelerate the piston near stroke completion, which is not a field-adjustable air cushion. If your process must hold a load vertically without live air pressure, you must add an external rod lock or pilot-operated check valve, as the bumper is not a brake and the piston will drift.
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