The ball screw mechanism consists of a threaded screw shaft and a nut with ball bearings that roll between the screw and the nut. As the screw rotates, the nut moves along the screw, resulting in linear motion.

Features:

Bipolar or unipolar versions available
Hybrid stepper construction
Available in single or double shaft versions
CE and RoHS approved
Customizations on request

Dimensions

Motor Specifications

Step Angel	1.8 °
Fram Size	42mm
Number of Phase	2 Phase
Rated Current	1.68Amp
Holding Torque	320mN.m
Resistance	1.50ohm
Inductance	2.5mH
Rotor Inertia	38g-cm²
Motor weight	0.2kg
Lead Screw	45mm
Connection	Bipolar

Operating Specifications

Step Angle: 1.8°

Maximum Temperature :80°C maximum

Ambient Temperature: -20 °C to 50°C

Storage Temperature -20: °C to 100°C

Humidity Range (%) :85% or less, non-condensing

Magnet Wire Insulation :Class B 130 deg C

Insulation Resistance :100M Ohm at 500 VDC

Dielectric Strength :500 VDC for 1 min

Shaft Radial Play:0.02Max. (450g-load)

Shaft Axial Play:0.08Max. (450g-load)

Max. radial force:28N (20mm from the flange)

Max. axial force):10N

Torque Curves

Submodels

Model	Holding Torque	Step Angle	Motor Length	Type of Shaft	Rated Current
42SHD4950	0.13N.m	1.8°	20mm	D Shaft-20mm	1.0A
42SHD4003	0.26N.m	1.8°	34mm	D Shaft-20mm	0.4A
42SHD0261	0.45N.m	1.8°	40mm	D Shaft-20mm	1.68A
42SHD4425	0.59N.m	1.8°	48mm	D Shaft-24mm	2.0A
42SHD4813	0.8N.m	1.8°	60mm	D Shaft-24mm	2.1A

Body Length	Diameter of Screw	Pitch	Length of Screw
20 mm 34 mm 40 mm 48 mm 60 mm	5	2	20-1000 mm
		8
	6.35	1.27
		3.175
		6.35
	6.5	3
		6.35
	8	1
		2
		4
		8
		12

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If our standard motor cannot meet your needs,

we can customize the motor according to your needs

Customized content includes but is not limited to special shafts, winding parameters, installation dimensions, lead wires with special requirements, connectors, etc.