Lin Engineering
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SLU22CH045 Series
Slotless BLDC Motor

  • 0.870 in Frame Size
  • 1.99 A Rated Current
  • 2.4357 oz-in Rated Torque
  • 48 VDC Nominal Voltage
  • 1.770 in Length
Features and Benefits:
  • Extremely quick response and high acceleration
  • Quiet Operation
  • High power density

Unit Price:



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Motor Specifications

Frame Size0.870 in
Motor TypeMotor Only
Weight0.216 lbs
Number of pole2
Number of Phases3

Motor Values (At Nominal Speed)

Nominal Voltage48 VDC
No Load Speed 39500 RPM
No Load Current550 mA
Nominal Speed37870 RPM
Nominal Torque (Max Cont. Torque)2.4357 oz-in
Nominal Current (Max Cont. Current)1.99 A
Rated Speed36400 RPM
Rated Torque2.4357 oz-in
Rated Current1.99 A
Stall Torque57.1404 oz-in
Stall Current33.8 A
Max. Efficiency89%

Motor Characteristics

Terminal Resistance1.42 ohm
Terminal Inductance0.1635 mH
Speed/Torque Gradient 12.037 RPM/oz-in
Speed Constant800 RPM/V
Mechanical Time Constant2.19 ms
Rotor Inertia0.012 oz-in²

Motor Mechanical Data

Axial play0.009 in
Radial playPreloaded
Max. Radial Load3.597 lbf
Max Force For Press Fit24.728 lbf
Max Speed (Mechanical)50000 RPM

Motor Thermal Data

Ambient Temperature-40 °F to 212.00 °F
Insulation ClassF
Max winding temperature311.00 °F
Max winding temperature311.00 °F
Thermal resistance (Housing-Ambient)59.00 °F/W
Thermal resistance (Winding-Housing)33.08 °F/W
Thermal time constant motor450 s
Thermal time constant winding1.83 s


ModelDIM. A (length) in
SLU22CH045-481.770 in

Performance Curve

SLU22CH045 Series


SLU22CH045-48 Configured Datasheet (PDF)

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