Step Angle Accuracy:±5% ( full step, no load ) Resistance Accuracy:±10% Inductance Accuracy:±20% Temperature Rise:80℃ max ( rated current, 2 phase on ) Ambient Temperature:-20℃ ~ +50℃ Insulation Resistance:100MΩ min, 500VDC Dielectric Strength:500VAC for one minute 5mA Shaft Radial Play:0.02mm max ( 450g load ) Shaft Axial Play:0.08mm max ( 450g load ) Max. Radial Force:20N ( 20mm from the flange ) Max. Axial Force:2N Rotation:CW Insulation Class:B (130℃)