The 60:1 Ratio, 0. 875" Input Diameter, 1.438" Output Diameter, Right Angle Cast Iron Single-Reduction Worm Reducer Regal Beloit Grove Gear&Reg; GR8320516.23 UPC: 690310023617 | 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, 60:1 Gear Ratio, 2.114 hp Input, 1.515 hp Output, C-Face Coupled Input, Hollow Bore Output, 5/8 in Dia Input, 1.438 in Dia Output, 29 rpm Output Maximum Speed, 1750 rpm Input Maximum Speed, 3274 in-lb Output, 3-1/4 in Centre Distance, 3/16 x 3/32 in Input, 3/8 x 3 in Output Keyway, PAG Synthetic Oil Lubrication, Shaft Mount, Cast Iron, 7.88 in W