Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EJPM2542T
*** This motor has been replaced by model # EJPM2542T ***
JPM2542T, 50 Hp, 3600 Rpm, 324JP FR, 230/460 Vac, 3 PH, ODP, Foot Mounted, Close-Coupled Pump Motor