Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EJMM3550T
**** This motor has been replaced by model # EJMM3550T ***
JMM3550T, 1 1/2 Hp, 3600 RPM, 143JM FR, 208-230/460 Vac, 3 PH, TEFC, Foot Mounted, Close-Coupled Pump Motor