The AirTAC Airtac SCJ50 Standard Cylinder SCJ50X200-10 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 10 mm range without swapping the cylinder. Ø50mm bore, 200mm nominal stroke, PT1/4 ports and adjustable end cushioning.
The SCJ50X200-10 is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end. Its rear-cap adjusting screw provides up to 10 mm of fine-tuning, letting you dial in the exact end position during commissioning or format changes without replacing the cylinder. With a 50 mm bore and 20 mm rod, it delivers 982 N of push force at 0.5 MPa, making it a strong mid-range actuator for general automation.
This model has a 200 mm nominal stroke, well within the 1200 mm maximum standard stroke for the 50 mm bore. The body length A dimension is 194 mm, and it features a 21 mm air cushion for smooth deceleration. The standard TPU seals and PT ports suit common compressed-air systems operating between -20 and +70 °C.
| Model | Airtac SCJ50 Standard Cylinder SCJ50X200-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø50 mm |
| Nominal stroke | 200 mm |
| Stroke adjustment | Up to 10 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| 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 SCJ (adjustable-stroke) datasheet. The rear adjusting screw sets the stroke end position; force is the same as the equivalent single-rod SC bore. 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 (@1.0 MPa) | 200 kgf | |
SCJ is single-rod, so force matches the equivalent SC bore: push uses the full bore area, pull subtracts the rod area. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×200 | Nominal (maximum) stroke length in mm. |
| -10 | Adjustable-stroke range in mm (options 10/20/30/40/50/75/100). |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod, fixed stroke), SCD (double rod), SCT (multi-position). SCJ mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
The 10 mm rear adjustment screw allows technicians to fine-tune the cylinder's end position on a new assembly line, compensating for minor fixture misalignments without re-machining any parts.
Quickly adapt a pusher or stop gate for different box sizes on a packaging conveyor. The adjustable stroke lets operators change the stopping point in seconds to handle a new product run.
In high-cycle clamping or pressing fixtures, the stroke can be incrementally extended over time to compensate for pad or tooling wear, maintaining consistent clamping force without immediate part replacement.
Choose the SCJ50X200-10 when you need a 200 mm stroke that can be precisely shortened by up to 10 mm at the rear cap. For higher force, step up to the 63 mm bore, which provides 1559 N of push at 0.5 MPa. If your application requires a fixed, non-adjustable stroke, the standard SC50X200 is a simpler alternative. For side-loads at this 200 mm stroke, ensure the load is guided externally or consider a guided cylinder to prevent rod bending.
A direct replacement must match the 50 mm bore, 200 mm nominal stroke, 10 mm adjust range, PT ports, and basic mounting. If you need position sensing, specify the -S magnet option to use CMSG/DMSG sensors.
Adjustable-stroke checklist
At the standard operating pressure of 0.5 MPa, it generates 982 N of pushing force and 825 N of pulling force. The maximum push force at 0.9 MPa is 1767 N. The pull force is lower due to the 20 mm piston rod reducing the effective area on the return stroke.
Yes, the SCJ50X200-10 can replace an SC50X200 if you need the 10 mm adjustable stroke feature. The mounting dimensions and port locations are compatible. Ensure the slightly longer rear cap to house the adjustment screw fits your machine's envelope.
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