
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X60STC is a genuine double-acting standard air cylinder with a Ø125mm bore and 60mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC125X60STC is a double-acting pneumatic cylinder delivering 6136 N of push force at 0.5 MPa (11045 N at the 0.9 MPa maximum operating pressure). Its 60 mm stroke suits short-throw clamping, pressing, and ejector stations where space is tight but force demand is high.
This model is configured with a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion mount (TC) that ships with the TCM1 bracket (F-SC125TC), allowing the cylinder to pivot as the rod extends. The 32 mm rod and 28 mm adjustable air cushion handle end-of-stroke deceleration reliably.
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X60STC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 60 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M27×2 |
| 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 | Adjustable, 28 mm |
| Max stroke | Up to 1500 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 | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (approx.) | 1251 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. |
|---|---|
| 125 | Bore size in mm. |
| ×60 | 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.
Short 60 mm stroke and 6136 N force at 0.5 MPa make it ideal for welding jigs and machining fixtures that need a firm, repeatable clamp.
The centre trunnion mount lets the cylinder swing, perfect for retractable stops on gravity or powered roller conveyors handling pallets.
Delivers up to 11045 N at 0.9 MPa for short-power-stroke tasks like punching, riveting, or forming in automated assembly cells.
Choose the SC125 when your application needs roughly 6100 N at standard shop air. If you can work with about 3900 N, stepping down to the SC100 bore saves space and weight. For strokes of 300 mm or longer, evaluate side-load and rod-bearing bending: an external guide or a guided cylinder is recommended when the rod sees lateral force.
To replace an existing unit, match five points: bore (125 mm), stroke (60 mm), PT port thread, centre trunnion mounting (TC + TCM1), and the built-in magnet (-S). This SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
Quick checklist
At 0.5 MPa it pushes 6136 N and pulls 5734 N. At 0.7 MPa push rises to 8590 N, and at the maximum operating pressure of 0.9 MPa it reaches 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
Yes. The -S suffix means a magnet is built into the piston, so CMSG/DMSG/EMSG reed or solid-state sensors clamp directly onto the barrel. The TC suffix supplies the centre trunnion pivot and the TCM1 trunnion bracket (order code F-SC125TC) as a set.
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