Outrunner BLDC Motor


Outrunner BLDC Motor


Solar tracking & cleaning systems, HVAC systems, Electric vehicles, Hand-held power tools


BO42(70W) is an outrunner BLDC motor. It has a rated speed of 5600 RPM and delivers 13 cNm of torque delivering high-torque performance. It has a compact 43mm diameter and 27mm height. This outrunner BLDC motor is available with or without integrated sensors to suit diverse control applications. 

It can be paired with planetary gearboxes or spur gearboxes to optimize the output torque and speed. Optional driver units are offered as add-ons upon request. It is well-suited for industries like solar, HVAC, electric vehicles, and handheld power tools requiring high torque. 

Standard Data
Motor type Outrunner brushless DC motor
Configuration 12N-16P
Ambient Temperature Operation -40˚C to +100˚C
Storage & Transport Temperature -60˚C to +120˚C
Weight 140 g
Electrical Enclosure IP 40 (As per IEC 60529)
Life expectancy ≥5000 hours @ Rated Torque
Technical Data

Mechtex Physical data No load data Data at Rated Torque Stall
MODEL No. Dia x height Voltage Speed Current Speed Current Torque Power Torque Current
BO4227-24a 43 x 27 mm 24 VDC 5600 RPM 340 mA 4100 RPM 3 A 13 cNm 53.3 W(Out) 150 cNm 44 A
BO4227-24b 43 x 27 mm 24 VDC 7200 RPM 500 mA 5920 RPM 3 A 9 cNm 53.3 W(Out) 142 cNm 48 A

*Other speed & voltages on special request

Available Customizations
Inbuilt driver
Customized motor speed
Dust cover (Upto IP 65**)
22 AWG x 200mm ends tinned and stripped
Customized shaft
Hollow shaft for robotics and gimbal applications
Dimensional Drawing

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