The 25:1 Ratio, 0. 625" Input Diameter, 1.938" Output Diameter, Right Angle Cast Iron Single-Reduction Worm Reducer Regal Beloit Grove Gear&Reg; GR8320536.31 UPC: 690310024058 | UNSPSC: 26111537 | GTIN: Gear Reducers & Gearmotors > Gear Drives > Right Angle Gear Drives > Non-Helical Worm Right Angle Drives Grove Gear® IRONMAN® Worm Gear Reducer, Right Angle Single Reduction, Series: GR Series, 25:1 Gear Ratio, 4.373 hp Input, 3.732 hp Output, C-Face Quill Input, Hollow Bore Output, 5/8 in Dia Input, 1.938 in Dia Output, 70 rpm Output Maximum Speed, 1750 rpm Input Maximum Speed, 3360 in-lb Output, 3-1/4 in Centre Distance, 3/16 x 3/32 in Input, 0.5 x 3.38 in Output Keyway, PAG Synthetic Oil Lubrication, Shaft Mount, Cast Iron, 7.88 in W