... noise RV Series Worm Geaer ReducerRV Series have Model RV025, RV030, RV040, RV050, RV063, RV075, RV090, RV110, RV130, and RV150.This reducer can be ... of main parts is bearing steel.3.Little inertia adapts reducer interfering.4.High efficiency with low noise, single stage efficiency ... .5-3200.Power:0.06W-7.5KW.Products show: RV Series Worm Gear Reducer