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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

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      We are a manufacturing factory to provide you with high-quality B2B services. Welcome to batch customer consultation. Our company has a minimum order quantity requirement, which needs to be greater than or equal to 500 pcs. (the minimum order quantity of different products is different) Please be sure to inform the order quantity so that we can reply to your information.