Airtac SCJ50 Standard Cylinder SCJ50X40-10S
The AirTAC Airtac SCJ50 Standard Cylinder SCJ50X40-10S 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, 40mm nominal stroke, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Nominal stroke40 mm
- Stroke adjust-10 mm
- Port sizePT1/4
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SCJ50 Standard Cylinder SCJ50X40-10S
The SCJ50X40-10S delivers 982 N of push force at 0.5 MPa in a 50 mm bore, single-rod double-acting format with a rear adjusting screw that trims the stroke end by up to 10 mm. Its 20 mm piston rod and PT1/4 ports make it a direct fit for mid-force pneumatic tasks where fine positional tuning is needed on the machine.
A built-in magnet (the -S suffix) lets CMSG/DMSG/EMSG sensors clamp directly onto the tie-rod barrel for end-of-stroke or mid-stroke sensing without extra brackets. The standard TPU seal works from -20 to +70 °C, and the adjustable cushion decelerates the piston smoothly across the 21 mm cushion length.
Airtac SCJ50 Standard Cylinder SCJ50X40-10S Technical Specifications
| Model | Airtac SCJ50 Standard Cylinder SCJ50X40-10S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø50 mm |
| Nominal stroke | 40 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.
Theoretical Output Force (Ø50mm)
| 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.
Model Code: Airtac SCJ50 Standard Cylinder SCJ50X40-10S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×40 | 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 SCJ50 Standard Cylinder SCJ50X40-10S Is Used
Commissioning & Setup
Fine-tune the extend stroke end by up to 10 mm during machine commissioning without swapping cylinders or machining hard stops, speeding up line start-up.
Format Changeover
Adjust the stroke end to suit different product sizes on a packaging or assembly line, reducing changeover time and eliminating multiple fixed-stroke cylinders.
Wear Compensation
Take up mechanical wear in grippers, clamps, or press tools by dialling the rear screw, maintaining consistent contact force without reprogramming the controller.
Is the Airtac SCJ50 Standard Cylinder SCJ50X40-10S the Right Cylinder?
Choose the SCJ50X40-10S when 982 N push at 0.5 MPa covers your load and you need up to 10 mm of field-adjustable stroke-end take-up. If you require more force, step up to the 63 mm bore (1559 N push at 0.5 MPa); for a smaller footprint, the 40 mm bore provides 628 N. This adjustable-stroke model replaces any AirTAC SCJ50X40-10S of identical bore, stroke, adjust range, PT port, basic mount, and magnet.
For fixed-stroke applications where the end position never changes, the standard SC50X40 is a simpler alternative. If the rod sees side load, add an external guide or switch to a guided cylinder.
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 SCJ50 Standard Cylinder SCJ50X40-10S FAQ
At 0.5 MPa, the push force is 982 N and the pull force is 825 N (single-rod cylinder). At the maximum operating pressure of 0.9 MPa, push force reaches 1767 N.
A screw in the rear cap sets the extend stroke end position. You can shorten the nominal 40 mm stroke by up to 10 mm in the field. It does not adjust speed or force — only the mechanical end stop.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SCJ Adjustable-Stroke Cylinders
Request a Quote for Airtac SCJ50 Standard Cylinder SCJ50X40-10S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.