... Ratio:7.5 to 100 4.Fast shipping NRV063 VS Small Aluminium Alloy NRV Gear Reducers with VS Worm Extension Shaft Specifiction: Type:Worm Gear Speed ReducerModel:NRV063 VSRatio:1:7.5 ... Flange:71B5,71B14,80B5,80B14,90B5,90B14Lubricant:Synthetic&MineralAllowed radial loading force on output shaft ... force on the midpoint of output shaft.When the reducer is with double output shafts,the resultant radial ...