HFM’s Pump motors are designed for industrial and commercial pumping applications.
56J = thread shaft & 3/32" screwdriver slot in Non-Drive End shaft to allow for tightening of impeller onto threads
56C = Keyed Shaft
56J = include 3/32" screwdriver slot in Non-Drive End shaft to allow for tightening of impeller onto threads
56C = Keyed Shaft per NEMA MG-1 2016 Figure 18-16