Output speed of the gear or gearmotor.
The motor speed under full-load condition.
( Full-load means listed nominal power )

For values see the motor section of the catalog.
Reflected Inertia from Output to Input
Variables   Units
JL Inertia of the body lb-ft2
nL Rotational speed load rpm
nM Motor full load speed rpm
JX Load inertia lb-ft2