Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EM31116A
** This motor has been replaced by Model # EM31116A ***
(M3116A) 1 Hp, 230/460 Vac, 3 Phase Input, 56 Frame, Open Drip Proof, 1800 Rpm, Foot Mounted, General Purpose Motor