Description: Greatest radial load on the pump rotor resulting from operation of the pump at any conditions within the permissible operating range.; Name: highest radial load 
Description: Greatest radial load of the pump rotor resulting from operating the pump at any condition within ist allowable operating range; Name: Maximum radial load
Description: Speed of rotation at which the frequency of vibration (or its multiples) corresponds to the rotor resonant (lateral or torsional) ; Name: Critical speed