57mm Round Brushless Motor: This size 57mm 3 phase brushless dc motor has a body length 87mm with round shape, rated voltage 36V and a moderate rated speed 4000RPM, which can reach 140w high power and 0.33Nm rated torque output. Its high performance with square body and reasonable design makes this bldc motor widely used for textile machines, robotics, autobikes, cooling fans, pumps, household appliances, and other industrial applications, etc.

57mm Round Brushless Motor Specification

• Part Number: 57JK87-3640
• No. of Phases: 3
• No. of Poles: 4
• Rated Voltage: 36V
• Rated Speed: 4000RPM
• No-loading Speed: 4800RPM
• Rated Torque: 0.33Nm
• Rated Curent: 5.3A
• Rated Power: 140W
• Insulation Class: B
• Frame Size: Φ57mm
• Body Length: 87mm
• Shaft Diameter: Φ8mm
• Shaft Length: 25mm
• Number of Leads: 8
• Lead Length: 300mm
• Sensor: Hall Sensor
• Weight: 1.0kg

Overall Size

Motor Wiring Connetion(18AWG): U(Yellow), V(Green), W(Blue)

Hall Sensor Wiring Connetion(26AWG): U(Yellow), V(Green), W(Blue), 5V(Red), GND(Black)