Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EJMM311T-5
**** This motor has been replaced by model # EJMM311T-5 ****
JMM3311T-5, 7 1/2 Hp, 1800 Rpm, 213JM FR, 575 Vac, 3 PH, ODP, Foot Mounted, Close-Coupled Pump Motor