Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
ERM3111
*** This motor has been replaced by Model # ERM3111 ***
RM3111, 3/4 Hp, 230/460 Vac, 3 Phase Input, 56 Frame, 3600 Rpm, ODP, Resilient Base, Fan and Blower Motor.