... motor with gear reduction 2.Model:RV30-130,Ratio:7.5-100 3.ISO9001, Warranty-1 year 4.Delivery on time motor with gear reduction Characteristics:(1) With excellent quality(2 ... :Housing-Casting iron-HT200# / AluminiumWorm Gear- Cooper-10-3 #Worm-20CrMnTi with carburizing and quenching, surface hardness is 56 ... Power:0.55kw,0.75kw,1.1kw,1.5kw,2.2kw,4kw,5.5kw,7.5kwUsages:In industrial machine: ...