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 5255439 conforms to IEC 60034 standards with a Thermal Class F and S1 rating class according to EN 60034-1. It features G 2.5 balancing quality, a detent torque of less than 1.0% of peak torque, and a nominal bearing lifetime of 20000 hours. The unit operates within an ambient temperature range of -40 °C to 40 °C, extendable to 80 °C with a derating of -1.5% per degree Celsius. Submit the exact part number, quantity, and application requirements to receive 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 5255439. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.