1.8° Size 85mm High Torque Hybrid Stepping Motor 　 General Specification for High Torque  Hybrid Stepping Motor  Item  Specifications  Step Angle  1.8°  Step Angle Accuracy  ±5% (full step, no load)  Resistance Accuracy  ±10%  Inductance Accuracy  ±20%  Temperature Rise  80°C  Max.(rated current,2 phase on)  Ambient Temperature  -20°C~+50°C  Insulation Resistance  100M Ω Min. ,500VDC  Dielectric Strength  500VAC for one minute  Shaft Radial Play  0.02Max. (450 g-load)  Shaft Axial Play  0.08Max. (450 g-load)  Max. radial force  200 N ( 20mm from the Flange )  Max. axial force  60N  Rotation  CW( See from Front Flange ) Size 85mm Hybrid Stepping Motor Specifications Model No. Current /Phase Resistance /Phase Inductance /Phase Holding Torque # of  Leads Rotor Inertia Weight Detent Torque Length Single Shaft Double Shaft A Ω mH kg-cm 　 g-cm2 kg kg-cm mm SY85STH65-5904A SY85STH65-5904B 5.9 0.28 1.7 34 4 1000 1.7 0.8 65 SY85STH65-2808A SY85STH65-2808B 2.8 1.4 3.9 34 8 SY85STH80-5504A SY85STH80-5504B 5.5 0.46 4 46 4 1400 2.3 1.2 80 SY85STH80-4208A SY85STH80-4208B 4.2 0.75 3.4 46 8 SY85STH118-6004A SY85STH118-6004B 6 0.6 6.5 87 4 2700 3.8 2.4 118 SY85STH118-4208A SY85STH118-4208B 4.2 0.9 6 87 8 SY85STH156-6204A SY85STH156-6204B 6.2 0.75 9 122 4 4000 5.4 3.6 156 SY85STH156-4208A SY85STH156-4208B 4.2 1.25 8 122 8 Dimension 　 Wiring Diagram Pull out torque