The 10:1 Ratio, 0. 625" Input Diameter, 1" Output Diameter, Right Angle Aluminum Single-Reduction Worm Reducer Regal Beloit Grove Gear&Reg; EL8260551.16 UPC: 662959026007 | UNSPSC: 26111537 | GTIN: Gear Reducers & Gearmotors > Gear Drives > Right Angle Gear Drives > Non-Helical Worm Right Angle Drives Grove Gear® ELECTRA GEAR® Worm Gear Reducer, Right Angle Single Reduction, Series: EL Series, 10:1 Gear Ratio, 4.492 hp Input, 4.097 hp Output, C-Face Quill Input, Hollow Bore Output, 5/8 in Dia Input, 1 in Dia Output, 175 rpm Output Maximum Speed, 1750 rpm Input Maximum Speed, 1475 in-lb Output, 2.63 in Centre Distance, 3/16 x 3/32 in Input, 1/4 x 2-1/2 in Output Keyway, PAG Synthetic Oil Lubrication, Shaft Mount, Aluminum