Step angle: 1.8° Temperature rise: below 80 ℃ 
Ambient temperature: -20 ℃ ~ + 50 ℃ 
Insulation resistance: minimum 100MΩ, 500VDC
 Dielectric strength: 500VAC for 1 minute 
Shaft radial clearance: 0.02 max (450 g load) 
Shaft axial clearance: 0.08Max. (450 g load)
 Maximum radial force: 28N (20mm from flange) 
Maximum axial force: 10N 
size: Approximately 57x57x41mm
 
Holding Torque: 0.55KG.CM; 
Current / Phase: 2.8A 
Step Angle(degrees): 1.8 Degree 
Model Number: NEMA23 
Phase: 2 
Type: Hybrid
 Model: JK57HS41-2804 
Motor length: 41mm 
Diameter of axle: 6.35mm

Model No.	Step Angle	Motor Length	Current/Phase	Resistance/Phase	Inductance/Phase	Holding Torque	Number of leads	Detent Torque	Rotor Inertia
Model No.	(°)	(mm)	(A)	(Ω)	(mH)	(kg.cm)	(No.)	(g.cm)	g.cm2
JK57HS41-1006	1.8	41	1	7.1	8	0.48	6	250	150
JK57HS41-2008	1.8	41	2	1.4	1.4	0.39	8	250	150
JK57HS41-2804	1.8	41	2.8	0.7	1.4	0.55	4	250	150
JK57HS51-1006	1.8	51	1	6.6	8.2	0.72	6	300	230
JK57HS51-2008	1.8	51	2	1.8	2.7	0.9	8	300	230
JK57HS51-2804	1.8	51	2.8	0.83	2.2	1.01	4	300	230
JK57HS56-2006	1.8	56	2	1.8	2.5	0.9	6	350	280
JK57HS56-2108	1.8	56	2.1	1.8	2.5	1	8	350	280
JK57HS56-2804	1.8	56	2.8	0.9	2.5	1.2	4	350	280
JK57HS64-2804	1.8	64	2.8	0.8	2.3	1	4	400	300
JK57HS76-2804	1.8	76	2.8	1.1	3.6	1.89	4	600	440
JK57HS76-3006	1.8	76	3	1	1.6	1.35	6	600	440
JK57HS76-3008	1.8	76	3	1	1.8	1.5	8	600	440
JK57HS82-3004	1.8	82	3	1.2	4	2.1	4	1000	600
JK57HS82-4008	1.8	82	4	0.8	1.8	2	8	1000	600
JK57HS82-4204	1.8	82	4.2	0.7	2.5	2.2	4	1000	600
JK57HS100-4204	1.8	100	4.2	0.75	3	3	4	1100	1100
JK57HS112-3004	1.8	112	3	1.6	7.5	3	4	1200	800
JK57HS112-4204	1.8	112	4.2	0.9	3.8	3.1	4	1200	800
Above only for representative products, products of special request can be made according to the customer request.

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nema 17 bipolar stepper motor

nema 23 bipolar stepper motor

nema 17 hybrid stepper motor

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