Model# R058A 25 HP 1180 RPM 60Hz NEMA NOM EFF: 91.7 Shaft End Brg: 6311-2ZJC3 OPP End Brg: 6211-2ZJC3 FR 324T Type: FCT Enc: TE 3 Phase Max Amb: 40C ID# D12-R058A-H Insul Class:F Duty: Cont 230/460V Code: G SF: 1.15 85.6 nom pf Design: B Guaranteed efficiency: 91.7 Max KVAR:6.3 FL Amps 59.6/29.8 Totally Enclosed Cast Iron frame and end brackets Corrosion resistant paint Re-greasable ball bearings Rotation of spindle is smooth