22mm Coreless Brushless Motors – 38mm Type Model NFP-2238RB

coreless brushless motor

7.4V 12V 30V High Speed Small DC Motors Specifications

Coreless BLDC Motor Typical Applications: Steering Gear, Intelligent Robot

Motor model NFP-2238RB-A NFP-2238RB-B NFP-2238RB-C NFP-2238RB-D
Nominal voltage 7.4V DC 12V DC 30V DC 30V DC
No-load speed 13,000rpm 12,000rpm 13,200rpm 15,000rpm
No-load current 170mA 90mA 80mA 110mA
Nominal speed 10,725rpm 10,020rpm 11,154rpm 12,900rpm
Nominal torque 5mNm 5mNm 5mNm 5mNm
Nominal current 1.06A 0.6A 0.29A 0.35A
Stall torque 28.16mNm 30.2mNm 31.75mNm 35.1mNm
Stall current 5.29A 3.23A 1.49A 1.88A
Max efficiency 71% 73% 65% 64%
Terminal resistance 1.4Ω 3.72Ω 20.1Ω 16Ω
Torque constant 5.33mNm/A 9.36mNm/A 21.28mNm/A 18.73mNm/A
Speed constant 1,757rpm/V 1,000rpm/V 440rpm/V 500rpm/V


Long Wears Life High Torque DC Motor Parameters

Key feature Data
Ambient temperature -10℃-40℃
Max permissible winding temperature 120℃
Max permissible speed 20,000rpm
Number of the pole pairs 1
Number of the phase 3
Weight 50g


Custom Design 12V DC Motor Performance Curve


Terminals’ definition /
PIN1-PIN3 Motor winding 1-3
PIN5-PIN7 Sensor 1-3
PIN8 Vall 2-18VDC


Micro Coreless Motor 22mm NFP-2238RB-D Diagram



Need-For-Power Motor