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 557991 is an industrial component featuring a product weight of 780 g, an actuator interface code of K62, and a motor-in interface code of 100A. This RoHS-compliant unit delivers a transferable torque of 47 Nm with an IP40 degree of protection and VDMA24364-B2-L LABS conformity. It supports any mounting position, operates within an ambient temperature range of -10 °C to 60 °C, and withstands storage temperatures from -25 °C to 60 °C at a relative air humidity of 0 to 95%. Submit the exact part number, quantity, and application requirements for a formal 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 557991. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.