... . 90 indicate motor frame no. Frame no. is indicated with 55 ,70,90,110,130, its corresponding frame Dia. Is ... 55,70,90,110,130mm. Mounting model mounting modelmounting model no. ... PM DC Motor is devided into:1)55ZYT01-105 torque:55.7--127.4 mN.m speed:3000--10000 r/min power ...