... .Model Explanation55 SDZ 031.55indicates motor frame No,. The frame No,is indicated with 55,75,85,130 ... structure , its No, is indicated with 01,02,03(Each frame No, is arranged on custemor s requirement ... extension),AA5(double shaft extension) and frame No,(55-130). 2.Flange Mounting:A3(single shaft ... DataThe following data changes within range depending on exact model,customer can refer to them ...