The AirTAC AirTAC MBL50X300U Mini Cylinder | 50mm Bore 300mm Stroke is a genuine double-acting aluminum-barrel mini round cylinder with a Ø50mm bore and 300mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
The AirTAC MBL50X300U is a double-acting aluminum mini round cylinder engineered to deliver 981 N of push force and 881 N of pull force at 0.5 MPa. Its 300 mm stroke and compact riveted rolling-packed body make it highly suitable for tight machine spaces where a larger profile cylinder cannot fit. The U flat-end back cover provides a rigid, fixed rear mounting surface for straightforward installation.
This SKU does not include a built-in magnet, meaning it cannot support CMSG, DMSG, or EMSG sensor switches for rod position detection. To ensure long service life, the carbon steel piston rod features a 20 um hard-chrome plating that resists wear and corrosion. The cylinder relies on a fixed rubber bumper to soften end-of-stroke impacts rather than an adjustable air cushion, and its heterogeneous two-way piston seal effectively retains grease for continuous lubrication.
| Model | AirTAC MBL50X300U Mini Cylinder | 50mm Bore 300mm Stroke |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø50 mm |
| Stroke | 300 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 | Rubber bumper (MBLC variant: adjustable air cushion) |
| Max stroke | Up to 500 mm |
Specifications follow the official AirTAC MBL series datasheet. Confirm against the product label before installation. Standard stroke to 500 mm (special order to 800 mm). 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 safety margin.
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 50 | Bore size in mm. |
| ×300 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: MBLC (adjustable cushion), MBLD (double rod), MBLJ (adjustable stroke), MSBL/MTBL (single acting).
Provides the 981 N push force required to fold heavy cardboard flaps on a packaging line, while the 300 mm stroke accommodates varying box depths in confined spaces.
Ejects finished router-cut aluminum parts from a machining fixture, using the 300 mm stroke to clear the work envelope completely before the next cycle begins.
Pushes small product totes onto a secondary conveyor lane, where the U flat-end back cover mounts rigidly to the machine frame to absorb the 881 N retract reaction load.
When sizing this actuator, you can step down to the 40 mm bore if your application requires less force (628 N push at 0.5 MPa), or step up to the 63 mm bore for heavier loads (1558 N push at 0.5 MPa). Because this SKU lacks the -S suffix, it cannot accept a position sensor; if your sequence requires rod detection, select an MBL50X300SU variant. If you need precise end-of-stroke deceleration for moving masses, the MBLC50X300U offers an adjustable air cushion instead of the standard fixed rubber bumper.
With a 300 mm stroke, the Ø16 mm piston rod is highly susceptible to bending under side loads. To prevent rod-bearing damage, use an external guide rail, pair the cylinder with a pivot mounting accessory, or switch to the MBLD double-rod anti-rotation type. Note that the fixed rubber bumper only softens impact and does not lock the rod; a plain MBL cannot hold a load if air pressure is lost or the valve is centered, so an external rod lock or pilot-operated check valve is required for fail-safe positioning.
Quick checklist
At 0.5 MPa, this 50 mm bore cylinder outputs 981 N of push force and 881 N of pull force. At 0.7 MPa, the push force increases to 1374 N, with a theoretical maximum of 200 kgf at 1.0 MPa. It operates at a speed of 30-800 mm/s, and its G1/4 port matches the flow requirements of this bore size.
No. The base MBL50X300U uses a fixed rubber bumper to soften end-of-stroke impacts, not an adjustable air cushion; you must specify the MBLC variant for adjustable cushioning. Additionally, this specific SKU lacks the -S magnet suffix, so it cannot accept CMSG, DMSG, or EMSG electronic or reed sensor switches for position feedback.
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