... 50Special work rest dia.Φ40-Φ120Φ40-Φ120Φ40-Φ120Grinding wheel size(dia×width×hole) (mm)Φ455×205×Φ228. ... -260)R.P.M(0-260)R.P.MGrinding wheel motor15HP(11KW)AC380V/50Hz20HP(15KW)AC380V/50Hz20HP(15KW)AC380V ... /4HP(180W) AC380V/50Hz1/4HP(180W) AC380V/50HzRegulating wheel feed-on hand wheel3.5mm/R,0.05mm/grads3.5mm/R, ... R,0.001/grads0.1/R,0.001/gradsTable wheel feed-on hand wheel9mm/R,0.10mm/grads9mm/R,0.10mm ...