Here is some information about this servo motor:

Motor Model: 1FK7042-5AF71-1SA0

Motor Type: Brushless synchronous servo motor

Frame Size: 1FK7 (the frame size represents the physical dimensions of the motor)

Motor Length: 42 mm

Rated Power: The "5" in the model number suggests that the rated power of this motor is approximately 5 Nm.

Cooling: The "AF" in the model number indicates that this has natural convection cooling.

Feedback System: This motor is equipped with an encoder, which provides position and speed feedback.

Connection Type: The "1SA0" in the model number specifies the motor connection type as connector plug (1) with electrical connection at 270 degrees (SA0).