Overview Product Description NEMA Premium Efficient Class F Insulation, Class B Rise At Service Factor Rolled Steel Frame 56-320, Cast Iron Frame 360-440 Aluminum End Shields 56-250, Cast Iron End Shields 280-440 CE Mark On Nameplate (140 Frame & Larger) 40C Ambient, NEMA Design B Performance On 60 Hz Sine Wave Power 1.15 Service Factor Regreasable Bearings 210 Frame & Up Double Shielded Bearings 140-400, Open on 440 Bearing Caps On 400 & 440 Frames F1 Assembly Position except where noted Lifting Provisions 180 Frame & Up Conversion Kits: Drip Cover Kits (140-320 Frame) Frame 56HZ HP 2 Voltage 208-230/460 RPM 1800 Efficiency 86 .5 Service Factor 1 .15 Amps 6 .2-6 .0/3 .0 Product Videos Custom Field Product Reviews