Norgren RT/57250/M/125 Cylinder - Magnetic Piston
Part Number: RT/57250/M/125
Quick Summary
RT/57250/M/125 is a compact pneumatic cylinder designed for precise linear actuation in automation and packaging lines. Engineers often struggle with space constraints and inconsistent actuation when integrating standard cylinders into tight assemblies. This Roundline model supports CE-compliant European machinery practices, is built with a magnetic piston for versatile control, and offers robust sealing suitable for IP-rated environments. The stainless steel barrel and rod deliver corrosion resistance in demanding environments, while the 50 mm bore and 125 mm stroke provide a balanced, compact footprint. Coupled with 1–10 bar operation, Rc1/4 porting, and buffer cushioning, it reduces downtime and maintenance costs, making it a smart choice for high-cycle applications.
Product Information
Extended Description
RT/57250/M/125 Norgren: Saves 20% space over the basic length of a corresponding ISO/VDMA cylinder | Low friction, long life seals | High strength, double crimped end cap design | Standard magnetic piston for full control system versatility
Medium
Compressed air
Operating Temperature
-10 ... 80 °C, 14 ... 176 °F
Operating Pressure
1 ... 10 bar, 15 ... 145 psi
Port Size
Rc1/4
Cylinder diameter
50 mm
Stroke Length
125 mm
Operation
Double acting
Cushioning
Buffer cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
1178 N
Materials - Barrel
Stainless steel (austenitic)
Materials - Piston Rod
Stainless steel (martensitic)
Dimensions - Height
52.5 mm
Dimensions - Length
244 mm
Dimensions - Width
52.5 mm
Weight
0.778 kg
Country of Origin
Czechia
Range
RT/57200/M
Series
Roundline
Brand
IMI Norgren
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Feature: 50 mm bore and 125 mm stroke deliver strong, repeatable actuation while maintaining a compact footprint. Business Impact: Enables high-speed cycling within tight machine envelopes, boosting overall line throughput without sacrificing force. Application: Pick-and-place or machine-tending tasks on small-format automation cells. Feature: Stainless steel (austenitic barrel) and martensitic piston rod for corrosion resistance. Business Impact: Extends service life in washdown or humid environments, reducing maintenance costs and downtime. Application: Food processing, pharmaceutical packaging, and outdoor manufacturing where cleanliness matters. Feature: Magnetic piston provides standard control-system versatility. Business Impact: Facilitates easy sensor integration and safer, fail-safe automation using existing magnet-based switches. Application: Conveyor endpoints and position sensing with M/50 reed switch compatibility. Feature: Buffer cushioning and double-acting operation. Business Impact: Reduces impact, vibration, and mechanical stress, improving longevity in high-cycle applications. Application: Precise end-of-stroke control in automated pick-and-place cycles. Feature: Rc1/4 port and 1–10 bar operating range. Business Impact: Flexible system integration across different pneumatic supply sources, minimizing customization. Application: General automation across packaging, assembly, and material handling lines. Feature: 20% space savings versus ISO/VDMA basic length. Business Impact: Higher payload density per zone, enabling smaller cabinet footprints and cost savings. Application: Retrofit and new installations seeking compact, powerful cylinders. Feature: Range RT/57200/M and Roundline family compatibility. Business Impact: Streamlined procurement with a common platform and interchangeable mounting options. Application: Multi-point machine configurations requiring standardized components.
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FAQs
RT/57250/M/125 supports a range of mounting options to fit diverse layouts. Use C-Foot Mounting (QM/57050/21) for fixed, base-level support; Nut Style N (M/P1501/90) for quick positioning; Piston Rod Swivel (QM/8040/38) for misalignment tolerance; Clevis (QM/57040/25), Trunnion (QM/55240/28), and Universal Mounts (QM/8040/32) for multi-axis alignment. These choices enable precise alignment, simple swapping, and rapid field adjustments without rework.
The cylinder delivers a theoretical force of 1178 N. Thrust remains strong across the 1–10 bar operating range, but actual force depends on supply pressure, bearing friction, and the load profile during stroke. Shorter travel typically yields higher instantaneous force; however, the 125 mm stroke is designed to balance actuation demand with space efficiency for most packaging and assembly tasks.
Yes, it is well-suited for high-cycle applications thanks to buffer cushioning that dampens impact at end-of-stroke, reducing shock to machinery and extending seal life. The stainless steel barrel and piston rod offer robust durability in washdown environments, while the magnetic piston supports reliable sensor integration for cycle control and feedback in fast-paced packaging lines.
Operating temperature ranges from -10 to 80 °C (14 to 176 °F), suitable for typical industrial environments. The cylinder uses Rc1/4 porting and supports 1–10 bar (15–145 psi) pressure, allowing flexible connection to standard pneumatic manifolds. Ensure your system maintains consistent supply pressure within this window to achieve repeatable performance.
The datasheet is available via the product downloads section, including the detailed performance curves and mounting guidance. For this model, refer to the RT/57200/M family documentation to verify CE compliance, IP-rated configurations, and magnetic piston availability. The PDF link provides installation, maintenance, and compatibility details to support procurement and engineering reviews.