75:1 Ratio, Cast Iron Double-Reduction Worm Reducer, 0.625" Input Diameter, 1.000" Output Diameter, C-Face Quill Input, Hollow Bore Output Specifications Ratio 75:1 Style HOLLOW OUTPUT Gear Type WR Frame Size 56C Output Diameter 1.000 Product Type RIGHT ANGLE Product Line POWERCUBEX WORM GEAR DRIVE Input Type C-FACE QUILL Input Diameter 0.625 Output Type HOLLOW BORE Rating Table (@ 1.00 Service Factor) (AGMA Load Class I) Oil Input Output Efficiency% RPM HP Thermal HP RPM Torque Thermal Torque Conventional 1,750 0.446 0.446 23 744 744 61.80% PAO Synthetic 1,750 0.446 0.446 23 836 836 69.40% PAG Synthetic 1,750 0.446 0.446 23 889 889 73.80%