Overview Similar Products –> Product Description A.O. Smith Model RB3154A Ball Bearing, Class “A” and “B” Insulation, Continuous Duty, Open Drip Proof, 40 C Ambient, 60 HZ, 1/4 thru 5 H.P. 1-1/4 HP 1725 RPM 208-230/460 Volts 5.0/2.5 Amps 1.15 service factor 56H Frame Auto Protector “B” Class Insulation Cross Reference: 327P634 K1415 G923 Product Videos Custom Field Product Reviews