NEMA8 China Factory Low Price 20mm CNC Stepper Motor for 3D Printer

• Application: Printing Equipment
• Speed: Low Speed
• Number of Stator: Two-Phase
• Excitation Mode: HB-Hybrid
• Function: Control, Driving
• Number of Poles: 2
• Model NO.: 20HB
• Operate Mode: Motor Drive Control
• Type: Magnetic-Electric
• Certification: ISO9001, CCC
• Brand: Holry
• Transport Package: Carton
• Specification: Nema 8 Stepper Motor
• Trademark: HOLRY
• Origin: China
• HS Code: 8501109990
• Production Capacity: 10000

Product Description

Phases	2
Step Angle	1.8°±5%
Step Accuracy	6N(1.3 Lbs.)Push
	25N(5.6 Lbs.)Pull
Radial	18N(4 Lbs.)At End Shaft
IP Rating	40
Operating Temp	-20ºC~  +50ºC
Insulation Class	B,130ºC
Insulation Resistance	100MegOhms

MODEL	Rated Current (A)	Phase Resistance (Ω)	Phase Inductance (mH)	Lead Wire (No.)	Holding Torque (N.cm)	Motor Length L(mm)	Rotor Inertia (g.cm²)	Motor Weight (g)
20HB28F02A	0.2	23	7.2	4	1.4	28	2.5	50
20HB28F06A	0.6	3.2	0.9
20HB34F02A	0.2	25	9.2		1.8	34	3.2	70
20HB34F06A	0.6	4.5	1.5
20HB40F02A	0.2	32	9.8		2.6	40	4.5	82
20HB40F06A	0.6	5.8	1.8