Norgren RA/192125/MX/20 Pneumatic Cylinder - ISO 21287
Part Number: RA/192125/MX/20
Quick Summary
The Norgren RA/192125/MX/20 is an ISO Compact pneumatic cylinder for precise linear actuation in automation. Engineers often face seal wear, slow response, and misalignment when using generic actuators in fast-packaging lines. ISO 21287 compliance, a magnetic piston as standard, and buffer cushioning support reliable, long-life operation. With 125 mm bore and 20 mm stroke, this unit delivers robust performance for automation, robotics, and tooling. The design emphasizes fast, repeatable actuation in constrained spaces while maintaining ease of installation and maintenance. Built from anodised aluminium and martensitic stainless steel, it delivers durability in challenging factory environments and supports scalable, modular integration with Norgren fittings and mounting options.
Product Information
Extended Description
RA/192125/MX/20 Norgren: Conforms to ISO 21287 | Magnetic piston as standard | Low friction, long life seals | Switches can be mounted flush with the profile
Medium
Compressed air
Operating Temperature
-5 ... 80 °C, 23 ... 176 °F
Operating Pressure
1 ... 10 bar, 15 ... 145 psi
Standard
ISO 21287
Port Size
G1/4
Cylinder diameter
125 mm
Stroke Length
20 mm
Operation
Double acting
Cushioning
Buffer cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
7363 N
Materials - Barrel
Anodised aluminium
Materials - Piston Rod
Stainless steel (martensitic)
Country of Origin
Germany
Range
RA/192000/M
Series
ISO Compact
Brand
IMI Norgren
C0K510828
Pneufit C Push-in fitting, Banjo flow control, regulating out, 8mm, G1/4
C02250828
Pneufit C Push-in fitting, Adaptor, Straight, External/Internal hex, 8mm, G1/4
C02470828
Pneufit C Push-in fitting, Adaptor, 90° Swivel elbow, 8mm, G1/4
QA/8125/42
D2 - Rear Clevis Mounting 125mm bore
M/P19499
Wide hinge style SW, 125mm bore
QA/8100/41
S - Swivel Bearing 100mm bore
QA/192125/55
Assembly kit (For Compact Cylinders) 125mm bore
QM/8125/22
BG - Front / Rear Flange Mounting 125mm bore
QM/8125/21
C - Foot Mounting 125mm bore
QA/8125/34
FH - Detachable Trunnion Mounting 125mm bore
PQA/182125/40
Adjustable centre trunion style UH, 125mm bore
M/P71355
Swivel hinge style US, 125mm bore
QM/8125/33
UR - Universal Rear Eye Mounting 125mm bore
QM/8125/27
R - Rear Eye Mounting 125mm bore
QM/8125/23
D - Rear Clevis Mounting 125mm bore
QM/8125/35
A - Front or Rear Stud Mounting 125mm bore
QM/192125/00
Service kits for RA/192000, 125mm
M/50/LSU/5V
M/50 magnetically operated reed switch, 5m cable
Feature: ISO Compact form factor with a 125 mm bore and 20 mm stroke enables compact packaging and higher force density. Business Impact: Creates smaller actuator footprints without sacrificing performance, freeing up space on crowded lines and reducing system complexity. Application: Pick-and-place stations and clamping tools in automotive and electronics assembly benefit from reliable, space-efficient actuation. Feature: Magnetic piston standard supports reliable sensing and switch integration without additional hardware. Business Impact: Improves feedback reliability and simplifies wiring for control systems, boosting overall line throughput. Application: Sensor-ready cylinders for automation zones with flush-mount switches. Feature: Buffer cushioning provides controlled deceleration and reduced impact. Business Impact: Minimizes wear on cylinders and adjacent machinery, lowering maintenance costs and downtime. Application: End-of-stroke dampening in high-cycle packaging equipment. Feature: Low-friction seals and stainless steel piston rod deliver long life under demanding temperatures. Business Impact: Extends service intervals and reduces replacement costs in continuous operation environments. Application: Food-grade and general industry lines requiring consistent cycle life. Feature: 1–10 bar operating range and G1/4 port size ensure compatibility with standard pneumatic circuits. Business Impact: Simplifies system design and installation with widely available fittings and hoses. Application: OEM lines and retrofit projects that rely on standard pneumatics. Feature: Wide range of mountings and service kits available (rear clevis, flange, foot, swivel bearing, etc.). Business Impact: Facilitates quick orientation + installation and easy spare-part management. Application: Retrofit projects and new builds needing flexible mounting. Feature: Theoretical force around 7363 N supports high-load actuation. Business Impact: Enables strong actuation for clamping, pressing, and substantial linear motion tasks. Application: Industrial automation cells requiring high starting force and repeatable performance.
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FAQs
This cylinder supports multiple mounting options including rear clevis, front/rear flange mounting, foot mounting, swivel bearings, detachable trunnion, and universal rear eye mounts. The diverse mounting family (e.g., QM, QM/8125, QA, PQA) enables precise alignment, easy retrofit into existing lines, and minimal downtime during changes or servicing.
Operating pressure ranges from 1 to 10 bar (15 to 145 psi). Theoretical force is specified at 7363 N, reflecting high-load capability suitable for clamping, lifting, or high-speed positioning in demanding automation tasks when paired with proper valve and cycle controls.
Yes, the RA/192125/MX/20 complies with ISO 21287. It ships with a magnetic piston as standard, enabling reliable magnetic switch sensing and flush-mount switch compatibility for clean integration with sensors and control logic on compact profiles.
Compatible fittings include Pneufit C push-in options such as C0K510828, C02250828, and C02470828 for 8mm lines on G1/4 ports. Service kits for RA/192000 series (125 mm bore) are available (QM/192125/55). This ecosystem supports quick maintenance, reduced downtime, and straightforward spare-part management.
The barrel is made from anodised aluminium, and the piston rod uses martensitic stainless steel, combining corrosion resistance with high strength. Originating from Germany, the design reflects rigorous European engineering standards, supporting durable operation in demanding industrial settings.