General 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 : 100 M O Min. ,500V DC Dielectric Strength : 500V AC for one minute Shaft Radial Play : 0.02 Max. (450 g-load) Shaft Axial Play : 0.08 Max. (4200 N (20 mm from the Flange ) 50 g-load) Max. radial force : 60 N Other Specifications Series Model : T85H118-4208 Motor Length : 118 mm Ph. Current : 4.2 A Ph. Res. (Ohm) : 0.9 Ph. Inductance : 6.0 mH Holding Torque : 87 Kg-cm Detent Torque : 2.4 kg-cm Rotor Inertia : 2700 g-cm2 Lead Wires : 8