/

57mm Outer Rotor Brushless DC Motor

57mm Outer Rotor Brushless DC Motor

Product Introduction

  • 57ZWS series motors run at 3000 RPM with rated torques of 0.119, 0.22, and 0.33 N·m.
  • Featuring 75% efficiency, they operate on 24V with rated powers of 37.4W, 69.1W, and 103.7W.
  • Built with bonded NdFeB magnets and carbon steel shafts, ensuring durability and stable performance.

Product Application

  • Medical equipment
  • Industrial equipment

Product Parameters

Model 57ZWS50X-1 57ZWS63X-1 57ZWS75X-1
Parameter
Rated Voltage V 24 24 24
Rated Power W 37.4 69.1 103.7
Rated Torque N•m 0.119 0.22 0.33
Rated Speed RPM 3000 3000 3000
Rated Current A 2.2 4.1 6
No-load Speed RPM 4000 4000 4000
No-load Current A 0.25 0.5 0.75
Motor Efficiency % 75 75 75
Noise (ambient noise 20dB, test distance 1m) dB <50 <50 <50
Hot Parameter
Housing-Enviroment Thermal K/W 0.53 0.27 0.18
Motor Thermal Time Constant min 4.6 5 5.7
Environment Temperature 29 29 29
Max Winding Temperature 77.4 77.4 77.4
Motor Constant Coefcient
Torque Constant N•m/A 0.054 0.054 0.054
Back Electromotive Force Constant Valid Values V/Krpm 5.66 5.66 5.66
Calculated Value
Peak Torque N•m 0.357 0.66 1.29
Peak Current A 6.6 12.3 24
Rotational Inertia Kg•cm² 0.19 0.38 0.56
Material
End Cover Die Casting Al
Bearing Deep Groove Ball
Magnets Bonded Ndfeb
Shaft Carbon Steel

Mechanical Dimensions: mm

57mm Outer Rotor Brushless DC Motor Dimension

Motor Torque Curve

Motor Torque Curve of 57 mm BLDC motor

Product Recommendation