
The AirTAC Airtac MBLCJ Adjustable Mini Cylinder MBLCJ50X450-10S is a genuine double-acting aluminum-barrel mini cylinder with a Ø50mm bore, a 450mm nominal stroke and a rear adjustable-stroke stopper — trim up to 10mm for a usable window of 440–450mm. Adjustable air cushion (both ends).
The AirTAC MBLCJ50X450-10S is a compact double-acting aluminum mini cylinder featuring a rear stroke adjuster and a screw-tunable air cushion at both ends. It delivers 981 N of push force at 0.5 MPa. The rear stopper allows you to trim up to 10 mm of travel, creating a precise 440-450 mm usable stroke window for exact end-of-stroke positioning.
Unlike the fixed rubber bumper found on the base MBLJ series, the adjustable air cushion here allows you to tune end-of-stroke deceleration, absorbing kinetic energy to protect the end covers during fast moves. The riveted rolling-packed barrel and 20 um hard-chrome plated carbon-steel rod handle 0.15-1.0 MPa operating pressures. Fitted with a built-in magnet (-S), it supports CMSG reed and DMSG/EMSG electronic sensors for position detection.
| Model | Airtac MBLCJ Adjustable Mini Cylinder MBLCJ50X450-10S |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (adjustable stroke) |
| Bore size | Ø50 mm |
| Nominal stroke | 450 mm |
| Adjustable window | 440–450 mm (trim 10 mm) |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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 air cushion (both ends) |
| Max standard stroke | Up to 500 mm |
The rear stopper sets the end position — it is a travel stop, not a lock. Overall length = A + 2 × stroke + adjustable stroke. MBLJ/MBLCJ mounting is Basic / FA / LB only (no SDB, no back-cover code). Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a margin.
| MBLCJ | MBLCJ aluminum-barrel adjustable-stroke mini cylinder with adjustable cushion. |
|---|---|
| 50 | Bore size in mm. |
| ×450 | Nominal stroke length in mm. |
| -10 | Adjustable-stroke amount (mm you can trim at the rear). |
| S | Optional built-in magnet for a CMSG/DMSG/EMSG sensor switch. |
Related: MBLJ (adjustable stroke, fixed bumper), MBL (fixed stroke), MBLD (double rod).
Provides 981 N of push force to eject heavy plastic parts, using the 440-450 mm adjustable window to time the exact ejection stroke.
Tuned air cushioning absorbs the kinetic energy of fast-stopping pallets at the end of the 450 mm stroke, preventing end-cover damage.
Uses the -S magnet with DMSG electronic sensors to confirm full extension when feeding heavy fabric rolls into calendering machines.
Stepping down to a 40 mm bore drops the 0.5 MPa push force to 628 N, whereas stepping up to a 63 mm bore raises it to 1558 N. Choose this MBLCJ variant over the MBLJ when your moving mass requires tunable end-of-stroke deceleration rather than a fixed bumper, or over the MBLC if you need that rear travel stopper. At a 450 mm stroke, the 16 mm rod is highly susceptible to side-loading; always use an external guide rail to prevent rod bending and premature seal wear.
The rear adjuster sets the travel end and the cushion only decelerates—neither holds the load, so use an external locking mechanism for static position holding. Mounting is restricted to Basic, FA, or LB (no SDB or back-cover options). For a direct replacement, match the 50 mm bore, 450 mm stroke, 10 mm adjust code, G1/4 port, M14x1.5 rod thread, PT thread form, and the -S magnet.
Quick checklist
At 0.5 MPa, the push force is 981 N and the pull force is 881 N. At 0.7 MPa, the push force is 1374 N. The maximum theoretical force is 200 kgf at 1.0 MPa.
The 10 mm adjustment is a rear mechanical stopper that trims the usable travel window to 440-450 mm. The adjustable air cushion is a separate screw-tunable valve that regulates end-of-stroke deceleration. Neither feature locks the load in place.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.