57mm Brushless DC Series

Our 57mm brushless DC motors possess durability, reliability, and efficiency one expects from a brushless design. Low noise and low vibration are also reasons to choose a brushless DC motor for your next project. Typical applications include madical instrument, textile industrial, stage ligting, fans and other machines, etc. Choose a baseline version or request your own customized configuration.


Features:

  • High torque even at low speeds
  • High torque density and high torque efficiency
  • Continuous speed curve, wide speed range
  • Highly reliability with easy maintenance
  • Low noise, low vibration
  • CE and RoHs approved
  • Customizations on request
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Winding Type Delta or Star,3 phase, 4 pole
Hall Effect Angle 120 degree electrical angle
Shaft Runout 0.025mm
Shaft Radial Play 0.025mm@460g
Shaft Axial Play 0.025mm@4000g
Max Radial Force 75N @20mm from the flange
Max Axial Force 15N
Insulation Class Class B
Dielectric Strength 500V for one minute
Insulation Resistance > 100MΩ, 500V
Submodels

The following are common submodels for the LDO-57BL series. Click to request a quote and/or more information on a specific submodel.

Rated Voltage Rated Speed Rated Torque Peak Torque Peak Current Power Line to Line Resistance Line to Line Inductance Torque Constant Back EMF Rotor Inertia Body Length Approx. Weight
Part No. (V) (RPM) (mNm) (mNm) (A) (W) (Ω) (mH) (mNm/A) (V/kRPM) (g⋅cm^2) (mm) (kg)
LDO-57BLS/R45 36 4000 55 160 3.50 23 1.1 10.0 53 5.55 30 45 0.25
LDO-57BLS/R55 36 4000 110 390 6.80 46 1.5 4.2 63 6.60 75 55 0.5
LDO-57BLS/R75 36 4000 220 700 11.5 92 0.7 2.2 63 6.60 119 55 0.75
LDO-57BLS/R95 36 4000 320 1000 16.5 133 0.45 1.4 63 6.60 173 95 1.0
LDO-57BLS/R115 36 4000 430 1270 20.5 180 0.35 1.0 63 6.60 230 115 1.25