The AirTAC SC50 Standard Cylinder SC50X890 is a genuine double-acting standard air cylinder with a Ø50mm bore and 890mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC50X890 is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa (1374 N at 0.7 MPa). Its 890 mm stroke suits long-reach material transfer and actuation tasks where a compact tie-rod body is preferred.
This model uses a 20 mm diameter piston rod with M16x1.5 male threads and PT1/4 ports. The adjustable air cushion at each end decelerates the piston over 21 mm to reduce end-of-stroke impact. With a body length A of 150 mm, the total extended length is approximately 1040 mm.
| Model | Airtac SC50 Standard Cylinder SC50X890 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 890 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×890 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Moves components 890 mm between conveyor lines or assembly stations with consistent pneumatic force.
Opens and closes slide gates on bulk material hoppers, using the full stroke for complete discharge control.
Applies 1767 N of clamping force at 0.9 MPa to hold large panels during bonding or fastening operations.
For a step up in force, the SC63 bore provides 1559 N push at 0.5 MPa. For a lighter, more compact option, the SC40 delivers 628 N. At 890 mm, the rod is long relative to its 20 mm diameter—avoid direct side loads. Use an external linear guide or a guided cylinder if the load is not purely axial to prevent rod bending and premature seal wear.
To replace an existing cylinder, match five points: 50 mm bore, 890 mm stroke, PT1/4 port thread, basic (no bracket) mounting, and no magnet. Verify the tie-rod body length and clevis pin dimensions against your current unit.
Quick checklist
At the standard 0.5 MPa operating pressure, the push force is 982 N and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1767 N.
A 20 mm rod extending 890 mm is susceptible to bending under side loads. Always guide the load externally with a linear rail or rod guide, or switch to a guided cylinder assembly. The SC50X890 is designed for pure axial push/pull applications.
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