... made of best quality materials,thus the motor can operate under high axial thrust and longer motor run life can be guaranteed.2 ... synchronous speed:3000RPMB,4 pole synchronous speed:1500RPM2) Motor operates continuously3) Motor’s rated output can be guaranteed when rated voltage ... ,rotor,upper and lower guide bearings,thrust bearing,base and seal assembly etc.for motor construction in detail,see Fig 31 ...