To make the spindle easy to load

17-1/4" x 40" x 6-9/16" (438 x 1016 x 166 mm)

Use in applications including speed reducers

while the maximum size is 5-1/8 inches in length by 3/4 inches in diameter

Marathon Motors 3/4 HP Agricultural Fan Motor,Capacitor-Start,1725 Nameplate RPM,115/208-230 Voltage,Frame 56 - 5KCR46NN0264T Drinking Fountains To make the spindle easyKeep air moving through your poultry barn with this poultry fan motor. It features a totally enclosed, nonventilated enclosure design, which resists dampness and airborne particles to help prevent motor contamination. It also offers durability and long service life with ball bearings and a rolled steel frame.