... ball joint and inlet flange is optional 3,Siemens motor 1, 168,219,273,323,407mm in diamater. 2 ... 3, selection of gear ratios A) High quality motor and gear box, with heavy duty design, large ... end flange, ball joint , inspection window.C) standard fitting parts, middle bearing, end bearing, splined shaft couplingD) Lifting eyes ... /750, JZM350/750...... concrete mix plant spare parts ,Screw Conveyor