Airtac SCJ40 Standard Cylinder SCJ40X200-10
The AirTAC Airtac SCJ40 Standard Cylinder SCJ40X200-10 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. Ø40mm bore, 200mm nominal stroke, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Nominal stroke200 mm
- Stroke adjust-10 mm
- Port sizePT1/4
- Rod threadM12×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ40 Standard Cylinder SCJ40X200-10
The SCJ40X200-10 is a double-acting, single-rod pneumatic cylinder with a 40 mm bore and a 200 mm nominal stroke, featuring a rear-cap adjusting screw that provides a 10 mm field-adjustable range. At 0.5 MPa, it delivers 628 N of push force and 528 N of pull force, making it a capable mid-size actuator for tasks requiring precise end-position tuning. The 16 mm diameter piston rod and PT1/4 port ensure robust flow and mechanical strength.
This adjustable-stroke design allows engineers to dial in the exact stroke end during commissioning or changeover without removing the cylinder or adding external hard stops. The body length A(SCJ) is 185 mm, and the cylinder includes a 21 mm air cushion for smooth deceleration. It operates on filtered air from 0.15 to 1.0 MPa across a temperature range of -20 to +70 °C.
Airtac SCJ40 Standard Cylinder SCJ40X200-10 Technical Specifications
| Model | Airtac SCJ40 Standard Cylinder SCJ40X200-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø40 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 | M12×1.25 |
| 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.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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.
Model Code: Airtac SCJ40 Standard Cylinder SCJ40X200-10
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 40 | 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.
Where the Airtac SCJ40 Standard Cylinder SCJ40X200-10 Is Used
Commissioning & Setup
Fine-tune the end position of a pusher or stop during initial machine setup, eliminating the need to shim or modify hard stops.
Wear Compensation
Adjust the stroke end over time to compensate for wear on tooling tips, gripper pads, or contact surfaces without replacing the cylinder.
Format Changeover
Quickly adapt the stroke length for different product sizes on a packaging or assembly line by turning the rear adjusting screw.
Is the Airtac SCJ40 Standard Cylinder SCJ40X200-10 the Right Cylinder?
Choose the SCJ40X200-10 when you need to fine-tune a 200 mm stroke by up to 10 mm on the machine. If your force requirement is lower, the 32 mm bore SCJ32 series provides 402 N of push force at 0.5 MPa; for higher force, step up to the 50 mm bore which delivers 982 N. If your application does not require stroke-end adjustment, the fixed-stroke SC40X200 is a simpler, cost-effective alternative. For a direct replacement, match the 40 mm bore, 200 mm nominal stroke, 10 mm adjust range, PT port thread, and basic mounting style. At this 200 mm stroke, ensure the rod is adequately guided if side loads are present, or consider an external guide rail to prevent rod bending.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-10)
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Set the rear adjusting screw, then lock it before running.
- check Adjust end cushion screws for smooth stops.
- check Use SCJ mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCJ40 Standard Cylinder SCJ40X200-10 FAQ
At the standard 0.5 MPa operating pressure, this cylinder produces 628 N of pushing force and 528 N of pulling force. The maximum push force at 0.9 MPa is 1130 N. The pull force is lower because the piston rod reduces the effective area on the return stroke.
Yes, if you need the 10 mm stroke-end adjustability. The SCJ40X200-10 is a direct dimensional replacement for an SC40X200 with the same mounting and port configuration, but it adds the rear adjusting screw for field-tuning the stroke end position.
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