Aftermarket 40:1 Ratio 56C Frame Size Lexar Industrial MRV030 Worm Gear Speed ReducerReplacement Part Number: MRV030Specification:This 40:1 ratio speed reducer is rated for 0.19 HP input at 1750 RPM on a hollow 5/8" diameter x 1-7/8" long keyed shaft and 56C mounting flange.Output is 159 lb/in on a hollow 5/8" diameter x 2-1/2" long keyed shaft.Parameter:Ratio: 40:1Input Shaft Diameter: 5/8Output Shaft Diameter: 5/8Mounting: 56C FlangeRated HP: 0.19