You are probably referring to Hollow Shaft motors used on vertical turbine pumps. That type of motor allows the line shaft to go through the motor and out the top where a nut is installed.
Turbine Pump Motors: VERTICAL HOLLOW SHAFT | WorldWide Electric
That's why our vertical hollow shaft motor includes as standard an internal space heater. When the motor is shut off, ... About WorldWide Electric
Vertical Hollow Shaft Motor - TradeIndia
Find here details of vertical hollow shaft motor manufacturers, suppliers, dealers, traders & exporters from India. Buy vertical hollow shaft motor through verified companies with product rating.
Vertical Motors (WP1) – BMR USA
BMR USA's vertical hollow shaft motors are constructed to minimize the entrance of rain, snow and other natural elements such as particles in the air.
MAX-VH™ Vertical Hollow Shaft WP1 - TECO-Westinghouse Motor ...
Vertical Hollow Shaft Motors; Vertical Solid ... Precautions should be taken to eliminate or reduce shaft currents that may be imposed on the motor by the VFD as ...
VERTICAL HOLLOW SHAFT MOTORS - Precision Electric Motor Sales
vertical hollow shaft motors high thrust design cast iron construction wp1 enclosure
Vertical Hollow Shaft - Electric motor
Our vertical hollow shaft motors represent the ultimate in a premium quality motor at ultra competitive price levels. All cast iron construction, WPI enclosures with heavy stainless steel rodent screens make for a rugged durable design.