57HB series two four phase hybrid stepper motorDetailed product description：

57HB series 24 phase hybrid stepper motor (57BYGH250A/B/C)

Step Accuracy ± 5%
Temperature Rise 75 ℃ Max
Environmental Temperature Range: -20 ℃~+50 ℃
Insulation Class B
Insulation Resistance 500VDC 100M Ω Min
Dielectric Strength 500VAC 50Hz 1Ma Minute
Radial runout 0.02mmMax (450g load)
Axial clearance 0.08mmMax (450g load)
Matcheddriver YK2203MA/YK2304MA/YK2404MA

Technical parameters of 57HB series 24 phase hybrid stepper motor

model Model	step angle Step Angle (O)	Body length Length L(mm)	rated current Current (A/phase)	Phase resistance Resistance (Ω/phase)	mutual inductance Inductance (mH/phase)	Maintain torque Holding torque (N.m)	moment of inertia Rotor inertia (g.cmtwo)	weight Weight (kg)
57HB41-154	one point eight	forty-one	one point five	one point eight	four	zero point four	one hundred and twenty	zero point four five
57HB51-104	one point eight	fifty-one	one	six point six	eight point two	zero point seven two	two hundred and seventy-five	zero point six five
57HB56-204	one point eight	fifty-six	two	one point eight	two point five	zero point nine	three hundred	zero point seven
57HB67-204	one point eight	sixty-seven	two	one point seven	three	one	three hundred and sixty	zero point eight two
57HB76-304	one point eight	seventy-six	three	one	one point six	one point three five	four hundred and eighty	one
57HB84-154	one point eight	eighty-four	one point five	five	ten	one point six	five hundred and thirty	one point one three
57HB115-424	one point eight	one hundred and fifteen	four point two	one	two point three	one point nine five	eight hundred and ten	one point nine five