C-Face Right Angle Speed Reducer, Nominal Output Speed 58 RPM, Input RPM 1725-1750, NEMA Frame 56C, Overhung Load 600 Pounds, Nominal Ratio 30:1, Output Torque @ 1/3 HP 277 Inch Pounds, Output Torque @ 1/2 HP 416 Inch Pounds, Worm Center Distance 1.75 Inches, Single Output Shaft Assembly, Output Shaft Left Hand Exit Facing Input, Mounting Any Position Boston C-Face Right-Angle Speed Reducers and BasesHeavy-duty worm gear speed reducers have value-engineered features for flexible installation, long life, and simplified maintenance. Integral input worm and shaft of case-hardened alloy steel. Oversized ball and roller bearings for maximum performance. Fine-grain cast-iron housing.Left output shaft All-position mounting (mounting bases sold separately) Shipped less 4ZF30 oil