
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ20X110-10S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø20mm bore and 110mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
Where the extend end must land within a few millimetres, the MAJ20X110-10S offers a 110 mm stroke with a 10 mm trim band on the external stop screw, covering 100 to 110 mm. Both directions are air powered, so there is no spring return to eat into the force budget.
Bore 20 output is 157 N forward and 132 N reverse at 0.5 MPa, peaking at a theoretical 32 kgf. The riveted stainless round body, 8 mm chrome rod and aluminium covers hold up in damp or mildly corrosive air, and at half the push rating the rod lifts about 8 kg vertically - a handy figure when matching gripper weight. A 30-800 mm/s speed band keeps light positioning cycles quick on a 1/8" air supply.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ20X110-10S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 110 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 | Fixed anti-impact bumper pads |
| Max standard stroke | Up to 300 mm |
Specifications follow the official AirTAC MA-series datasheet. Barrel: stainless-steel tube (round-body, riveted rolling-packed construction); piston rod: carbon steel with 20µm hard-chrome plating; covers: aluminium alloy. Thread options: PT (blank) / G / NPT. Every MA-series cylinder ships with a built-in magnet for CMSG / DMSG / EMSG position sensors.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 20 | Bore size in mm. |
| ×110 | Stroke length in mm. |
| -10 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
MA-family variants: MA / MAC (double acting ±cushion), MSA / MTA (single acting push / pull), MAD / MACD (double rod ±cushion), MAJ / MACJ (adjustable stroke ±cushion), MAR (cushioned with integrated F/U mount). Mounting accessories: FA flange, LB foot, SDB pivot; plus I and Y knuckles. Thread PT (blank) / G / NPT.
Locks a small index plate between dwell positions; the 10 mm window is set once the fixture is proved and rarely touched again.
Presses battery clips into plastic housings on a bench fixture; 220 N at 0.7 MPa seats terminals without deforming the carrier.
Swaps a mirror or sample slide under a camera; CMSG switches verify the home end anywhere within the trimmed 100-110 mm range.
Against neighbours, MAJ16 manages 100.5 N push at 0.5 MPa and MAJ25 reaches 245.3 N, so bore 20 sits mid-range with its 157 N; all take 1/8" ports. The 10 mm stop window is a trimming end stop, not a brake - any hanging load still settles when air drops, so plan a pilot valve or mechanical latch for hold. Mount on an FA flange or LB foot, match the M8x1.25 male rod thread to your accessory, and guide the 8 mm rod against side thrust over the 110 mm travel.
Quick checklist
Expect 157 N push and 132 N pull at 0.5 MPa, 220 N push at 0.7 MPa, and up to 32 kgf theoretical at 1.0 MPa. Supply pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof, speed spans 30-800 mm/s, and the port is 1/8".
An external stop screw on the cylinder trims where the extend stroke finishes, anywhere within the ordered 100-110 mm band - it cannot lengthen the stroke past 110 mm. It acts as a mechanical end stop, not a load-holding brake, and mounting stays simple with FA flange or LB foot options plus I and Y rod knuckles.
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