Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Festo
The Festo industrial component, part number 558037, features a size 120 designation with a nominal length of 26 mm and dual holder diameters of 25 mm and 23 mm. It accommodates any mounting position while operating up to a maximum rotational speed of 5500 rpm with a mass moment of inertia of 18.2 kgmm² and a transferable torque of 100 Nm. Weighing 201 g, the RoHS-compliant assembly conforms to VDMA24364-B2-L LABS standards and functions within storage and ambient temperatures of -25 °C to 60 °C alongside 0 to 95% relative air humidity. Submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 558037. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.