5:1 to 80:1 RV30 Worm Speed Reducer with Single Output Shaft and Shaft Adapter for 8mm Input Shaft of 57mm Nema 23 Motor

5:1 to 80:1 RV30 Worm Speed Reducer With Single Output Shaft and Shaft Adapter for 8mm input shaft of 57mm Nema 23 Motor1pc* RV30 worm reducer(silver color if you don't have special request)1pc* single output shaft1pc*input shaft sleeve (use for8mm motor shaft)this link is for ratio 7.5:1 to 80:1,This link of worm reducer withshaft adapter/sleeve (use for8mm motor shaft)and single output shaft.With gear ratio 5:1,7.5:1, 10:1, 15:1, 20:1, 25:1, 30:1,40:1, 50:1, 60 :1 80:1 for customers, Please leave message about the gear ratio you need.This adaptor is used to assemble motor shaft with input hole of worm reducer.When fit the nema 23 stepper motor to the worm reducer, if motor shaftdiameter is 8mm, and the wormreducer just accept 11mm inputshaft(input hole 11mm), then this shaft adaptor could be usedbefore fixing with worm reducer.Suitable for D type(single plane) shaft.Technical data of shaft adaptor of 8mm to 11mm:outerdiameter:11mm, inner diameter: 8mm, both size with a littletolerance.Worm reducer by our common camera without PS:Material for worm reducergearbox:Worm wheel: Nodular cast iron and bronzeWorm shaft: 20Cr steel.The hardness of surface is 56-62HRC with carbonized layer 0.3-0.5mmHousing: aluminum with oven paintingColor: silver/blue (usually send silver color, if need blue leave note or tell us.)Feature ofworm reducer gearbox:1) High quality aluminum alloy die cast gearbox2) High accuracy worm gear and worm shaft3) Less noise and lower temperature increase4) Easy mounting and linking, high efficiencyThe dimension of the RV30worm reducer:Torque : 2.6N.m-24 N.mModel Number : NMRV030/RV30Output Power : 0.06kW-0.18KWInput Speed about : 1500rpmOutput Speed : Varies with changes in speed ratioOutput hole diameter : 14mm