SIMOTICS S-1FK7 compact motors offer high power density within extremely compact dimensions and are, therefore, the ideal solution for numerous applications. Because of their short overall length, they are predestined to be installed in tight spaces. Their compactness makes them the standard motor in the torque range from 0.18 to 48 Nm. They make motion control axes exceptionally dynamic - thanks to their high overload capability. A motor spectrum is available that comprises 22 types with 7 shaft heights and rated speeds up to 6000 rpm. 1FK7 motors can easily be combined with planetary gearboxes to form compact coaxial drive units. The gearboxes are flanged directly to the drive end of the motors. When selecting the gearbox, ensure that its maximum permissible input speed is not exceeded by the maximum speed of the motor. In the case of high operating frequencies, allowance must be made for the factor f2 (see Configuration Manual for 1FK7 synchronous motors). The frictional losses of the gearbox must always be taken into account.