FEATURES: • World Motor® Features Except Where Noted • 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) • 40°C Ambient, NEMA®† Design B Performance On 60 Hz Sine Wave Power • 1.15 Service Factor • Regreasable Bearings 180 Frame & Up • Double Shielded Bearings 140-400, Open On 440 • Bearing Caps On 400 & 440 Frames • F1 Assembly Position except where noted • Lifting Provisions 210 Frame & Up • Conversion Kits: Drip Cover Kits (140-320 Frame)