Definition and class
The 1FK7044-7AF71-1SH0 is a Siemens 1FK7 high dynamic synchronous servo motor, listed under the Servo Motors category and defined by the manufacturer as a 1FK7 HIGH DYNAMIC SYNCHRONOUS MOTOR. It lives in the 1FK7 family — the compact, high-dynamics rotor used in motion-control axes where a servomotor has to accelerate and brake hard inside a short move profile. Servo motors of this kind are specified for the driven axis on a machine — the load the controller commands, not a free-running induction motor. The 1FK7 high dynamic line is positioned for packaging, pick-and-place, and feed axes where the cycle time depends on how fast the rotor can reverse.
Lifecycle status — EOL hot
For an MRO storeroom, the read is straightforward: do not treat this SKU as a replenishable line item. Flag the bin, capture any installed-base quantity still in service, and check the closest functional peer before specifying a spare — the frame and shaft code stay on the motor nameplate, and any mechanical substitute has to match the same 1FK7 footprint and resolver/encoder interface.
