The 40:1 Ratio, 0. 625" Input Diameter, 1.4375" Output Diameter, Right Angle Cast Iron Single-Reduction Worm Reducer Regal Beloit Grove Gear&Reg; GRG8210532.23 UPC: | 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: GRG, 40:1 Gear Ratio, 0.916 hp Input, 0.674 hp Output, C-Face Coupled Input, Hollow Bore Output, 7/8 in Dia Input, 1.438 in Dia Output, 43 rpm Output Maximum Speed, 1750 rpm Input Maximum Speed, 971 in-lb Output, 2.06 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, 6 in W