"The bearings are of the plain ring—oiling type, usually provided with water jackets. The shaft not being unduly long, there is little danger of whipping, and the speeds of rotation not being very high, special precautions are not necessary. Sometimes the turbines are supported by three bearings, the high and intermediate states being separated from the low by a third bearing." —Derr, 1911

DeLaval Steam Electric Generator

"The bearings are of the plain ring—oiling type, usually provided with water jackets. The shaft…