Step angle:1.8° or 0.9°Temperature rise:below 80 ℃ Ambient temperature:-20 ℃ ~ + 50 ℃ Insulation resistance:minimum 100MΩ, 500VDCDielectric strength:500VAC for 1 minute Shaft radial clearance 0.02 max (450 g load) Shaft axial clearance:0.08Max. (450 g load)size: CustomizedHolding Torque: Customized Current / Phase: Customized Step Angle(degrees):1.8Degree or 0.9DegreeStepper motor: nema8, nema11, nema14, nema17, nema23, nema24, nema34, nema42, nema52Brushless dc motor: 22mm, 28mm, 36mm, 42mm, 42mm, 57mm, 60mm, 80mm, 110mm, 130mmPhase:CustomizedModel:CustomizedMotor length:Customized Diameter of axle:Customized