
The AirTAC Airtac PBJ Adjustable Pen-Type Cylinder PBJ10X175-50S is a double-acting pen-size mini cylinder with a rear adjuster screw that shortens the retract end of the stroke. On a Ø10mm bore it gives a nominal 175mm stroke with a 50mm fine-adjustable window — settable from 125 to 175mm, so you set the end position without changing hardware.
The AirTAC PBJ10X175-50S is a double-acting, single-rod pen-size mini cylinder with a 50mm adjustable-stroke window. A rear M4x0.7 adjuster screw shortens the retract end, giving an effective stroke range of 125-175mm. The extend end remains fixed. Output force matches a standard PB of the same bore, delivering 39.3N push at 0.5MPa.
This 10mm bore unit features a 4mm SUS304 rod, an M5x0.8 air port, and an M8x1.0 rod-end thread. A built-in magnet works with reed or electronic switches. Because 175mm exceeds the 100mm max standard stroke, this is a made-to-order item. Plan for roughly 24N of actual work at 0.5MPa, and note the slim 4mm rod needs external guidance over this long length.
| Model | Airtac PBJ Adjustable Pen-Type Cylinder PBJ10X175-50S |
|---|---|
| Series | PBJ JIS pen-size adjustable-stroke cylinder |
| Bore size | Ø10 mm |
| Rod diameter | Ø4 mm |
| Nominal stroke | 175 mm |
| Adjustable window | 50 mm (125–175 mm) |
| Adjuster thread | M4×0.7 |
| Port size | M5×0.8 |
|---|---|
| Operating pressure | 0.15 – 0.7 MPa |
| Proof pressure | 1.2 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Cushion | Elastic bumper (both ends) |
| Max standard stroke | Up to 100 mm |
The adjuster shortens only the retract end; the extend end is fixed. Force is unchanged from the standard PB double-acting cylinder. Confirm the set position against the product label before installation.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 39.3 N | 33.0 N |
| 0.7 MPa (max) | 55.0 N | 46.2 N |
Adjusting the stroke does not change output force — these are the same values as the standard PB double-acting cylinder of the same bore. Size with a friction margin.
| PBJ | JIS pen-size adjustable-stroke mini-cylinder series. |
|---|---|
| 10 | Bore size in mm. |
| ×175 | Nominal stroke length in mm. |
| -50 | Adjustable-stroke window in mm (10/20/30/40/50/75/100). |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
Fixed body — no separate back-cover code. Mounting accessories: LB, FA. Related PB-family variants: PB (fixed stroke), PBD (double rod), PBR (front-mount).
Dial in the exact retract stop during product changeovers to set new pressing depths without swapping cylinders.
Fine-tune the back position for prototype testing, finding the optimal travel distance before finalizing a machine layout.
Adjust insertion depth on the fly for parts of varying heights, using the 125-175mm range to hit precise targets.
For a 10mm bore, the 175mm length is non-standard and made-to-order. If your stroke requirement is shorter, stepping down to a 16mm bore offers 100.5N push at 0.5MPa for heavier loads. Stepping up is not applicable here as 10mm is the smallest available bore. Remember that only the retract position is field-settable; re-tighten the lock nut to prevent vibration drift. Confirm your ordering essentials: 10mm bore, 175mm stroke, 50mm window, S magnet, and mounting accessories.
Quick checklist
The effective stroke range is 125-175mm. At 0.5MPa it provides 39.3N push and 33N pull. At the 0.7MPa maximum, it yields 55N push and 46.2N pull.
A rear M4x0.7 screw shortens only the retract end; the extend end is fixed. You set the length on the machine, then re-tighten the lock nut to prevent vibration drift. The built-in magnet supports reed or electronic switches.
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