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3330_0 57STH56 NEMA 23 Bipolar Precision Gearless Stepper

Product Code: 3330
Excl. VAT: £30.84 Incl. VAT: £37.01
  • Buy 5 for £27.95 (£33.54 incl. tax) each and save 10%
  • Buy 10 for £27.22 (£32.66 incl. tax) each and save 12%
  • Buy 50 for £25.37 (£30.44 incl. tax) each and save 18%
  • Buy 100 for £23.81 (£28.57 incl. tax) each and save 23%
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This NEMA-23 motor generates 12 kg-cm of torque at 2.8 Amps.

 It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler.

This motor is particulary suited for precision applications due to its 0.9° step angle.

  • High Precision, Good Speed

  • 0.9° Step Angle

  • Motor can produce 12 kg-cm holding torque @ 2.8A

  • NEMA-23 Bipolar 4-wire

  • Rear shaft exposed for compatibility with encoders

Motor Properties

Motor Type Bipolar Stepper
Manufacturer Part Number 57STH56-2804MB
Step Angle 0.9°
Step Accuracy 5 %
Holding Torque 12 kg·cm
Rated Torque 11.2 kg·cm
Maximum Speed (w/1063 Motor Controller) 208 RPM
Maximum Speed (w/1067 Motor Controller) 2250 RPM
Acceleration at Max Speed
(w/1067 Motor Controller)
800000 1/16 steps/sec²


Electrical Properties

Recommended Voltage 12 V DC
Rated Current 2.8 A
Coil Resistance 900 mΩ


Physical Properties

Shaft Diameter 14
Rear Shaft Diameter 3.9 mm
Mounting Plate Size NEMA - 23
Weight 695 g
Number of Leads 4
Wire Length 300 mm

Whenever possible, items which are in stock are dispatched the same day, or the next working day.

Large and/or heavy items are dispatched by UPS courier service and these orders must be placed before 15:00hrs (GMT) to ensure same day dispatch.

Small items are normally sent using a Royal Mail service for UK orders, and International Airmail or UPS for overseas orders

Returns Policy

3330_0 57STH56 NEMA 23 Bipolar Precision Gearless Stepper

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