Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X125CA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X125CA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø50mm bore and 125mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ50 mm
- Stroke125 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM14×1.5
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X125CA
The AirTAC MBLC50X125CA is a double-acting aluminum mini cylinder with a 50mm bore and 125mm stroke, generating 981 N of push force at 0.5 MPa. It uses a CA pivot back cover that swings on a pin to absorb arcing and angular loads. A screw-adjustable pneumatic cushion at both ends decelerates the rod smoothly near the stroke limits, protecting the end covers on faster or heavier moves. It is a deceleration device, not a load lock.
This variant lacks the -S code, meaning no built-in magnet is fitted and it cannot host a CMSG, DMSG, or EMSG position sensor. The riveted rolling-packed aluminum barrel keeps the body compact for tight spaces, while the Ø16 carbon-steel rod features 20 µm hard-chrome plating to resist wear. A heterogeneous two-way grease-retaining piston seal helps maintain consistent lubrication over the 30-800 mm/s operating range.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X125CA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X125CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø50 mm |
| Stroke | 125 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.
Theoretical Output Force (Ø50mm)
| 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.
Model Code: Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X125CA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 50 | Bore size in mm. |
| ×125 | 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).
Where the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X125CA Is Used
Textile Loom Beater
Drives the heavy beater mechanism at high frequency; the CA clevis accommodates the angular rod path while the cushion absorbs end-of-stroke shock.
Package Sorter Diverter
Pushes cartons at 981 N force onto a secondary belt; the 125mm stroke provides the exact travel needed without overextending into the main flow.
Pallet Strapping Press
Tensions and seals strapping around heavy loads, using the tunable cushion to prevent sudden snaps that could damage the banding tool.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X125CA the Right Cylinder?
At 0.5 MPa, this 50mm bore yields 981 N push and 881 N pull. If your application requires less force, the 40mm neighbor provides 628 N push; if you need more, the 63mm bore offers 1558 N push. Choose this MBLC over the fixed-bumper MBL when cycle frequency is high or the moved mass is substantial enough that impact at the ends would cause premature wear. For replacement, match the 50mm bore, 125mm stroke, G1/4 port, PT thread, CA pivot back cover, and no magnet.
Because this SKU lacks a magnet, you cannot track rod position without adding external limit switches. Also, a plain double-acting cylinder does not hold position if air is lost or the valve centers—the rod will drift. Use an external rod lock or pilot-operated check valve if you need true position holding without live air.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB / FA / SDB) and back cover (CA pivot / U flat-end).
- check Installation by qualified personnel per AirTAC docs.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X125CA FAQ
At 0.5 MPa, the push force is 981 N and the pull force is 881 N. At 0.7 MPa, push increases to 1374 N. The maximum theoretical force is 200 kgf at 1.0 MPa.
No. This specific SKU lacks the -S code, so it has no built-in magnet and cannot be used with CMSG, DMSG, or EMSG sensor switches. You would need the MBLC50X125CAS variant for position detection.
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