NEMA 23 Hollow Shaft Dual Shaft: This big size 57mm NEMA 23 hollow shaft stepper motor has a body length 56mm with 2.8A rated current & holding torque 1.2Nm. A hollow shaft with outer diameter Φ8mm & inner diameter Φ4.2mm is available and also a dual shaft with front shaft length 20mm & rear shaft length 10mm is designed.
NEMA 23 Hollow Shaft Dual Shaft Specification
Part Number: 57AI56-2804Q
Step Angle: 1.8deg
Bipolar/Unipolar: Bipolar
Holding Torque: 1.26Nm
Rated Current/phase: 2.8A
Driving Voltage: 24-48VDC
Frame Size: 57x57mm
Body Length: 55mm
Shaft Type: Hollow Shaft
Inner Diameter: Φ4.2mm
Outer Diameter: Φ8.0mm
Front Shaft Length: 20mm
Rear Shaft Length: 10mm
Number of Leads: 4
Lead Length: 2000mm
Weight: 0.85kg
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