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 557978 industrial component is a 350 g assembly featuring an actuator interface code L38 and a motor input interface code 60G. It delivers a transferable torque of 4.4 Nm, a mass moment of inertia of 3.2 kgmm², and operates at a maximum rotational speed of 8000 rpm across any mounting position with an IP40 degree of protection. This RoHS-compliant part functions within an ambient temperature range of -10 °C to 60 °C, a storage temperature range of -25 °C to 60 °C, and 0 to 95% relative air humidity while meeting VDMA24364-B2-L LABS conformity at a nominal length of 41.7 mm. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 557978. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.