Oriental Motor

ORIENTAL MOTOR U.S.A. Corp.
570 Alaska Avenue
Torrance, CA 90503
1-800-GO-VEXTA (468-3982)

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The BMU Series features a compact, high-power and high-efficiency brushless DC motor and is combined with an easy to use, easy to set speed controller. The entire motor structure features our latest brushless DC motor technology and has been innovated in pursuit of the optimal performance. The BMU Series has a maximum speed of 4000 r/min. Speed ratio of 1:50 (80 to 4000 r/min) is achieved. Round Shaft and Geared models available.

  • 120 W (1/6 HP)
  • Single-Phase 100-120 VAC or Single-Phase/Three-Phase 200-240 VAC
  • Permissible Torque
    • Round Shaft = 54 oz-in (0.382 N·m)
    • Parallel Shaft Gear = 17.7 ~ 260 lb-in (2 ~ 30 N·m)
    • Right-Angle Hollow Shaft Gear = 28.3 ~ 477 lb-in (3.2 ~ 53.9 N·m)
    • Hollow Shaft Flat Gear = 16 ~ 680 lb-in (1.9 ~ 77 N·m)


Some gear types are limited to 3,600 r/min max. input speed, (1:45 speed ratio).

Brushless DC Motor
Unit of Measure
Items Brushless DC Motor
BLM5120HP-5S / BMUD120-A2
120 W (1/6 HP) Brushless DC Motor Speed Control System
Web Price Request Quote
 Brushless DC Motor
BLM5120HP-10S / BMUD120-A2
120 W (1/6 HP) Brushless DC Motor Speed Control System
Web Price Request Quote
 Brushless DC Motor
BLM5120HP-15S / BMUD120-A2
120 W (1/6 HP) Brushless DC Motor Speed Control System
Web Price Request Quote
 Brushless DC Motor
BLM5120HP-20S / BMUD120-A2
120 W (1/6 HP) Brushless DC Motor Speed Control System
Web Price Request Quote
 Brushless DC Motor
BLM5120HP-30S / BMUD120-A2
120 W (1/6 HP) Brushless DC Motor Speed Control System
Web Price Request Quote
Motor Frame Size - 3.54 in.
Output Power - 120 W (1/6 HP)
Power Supply - Single-Phase 100-120 VAC
Shaft/Gear Type - Parallel Shaft Gearhead (Stainless Steel Shaft)
Gear Ratio (X:1) - 5 :1 - 10 :1 - 15 :1 - 20 :1 - 30 :1
Output Shaft Diameter - 18 mm
Degree of Protection (Motor) - IP66
Rated Torque - 17.7 lb-in - 36 lb-in - 53 lb-in - 71 lb-in - 102 lb-in
Variable Speed Range (r/min) - 16 ~ 800 - 8 ~ 400 - 5.3 ~ 267 - 4 ~ 200 - 2.7 ~ 133
Permissible Load Inertia - 250 oz-in²*When instantaneous stop or instantaneous bi-directional operation is performed = 137 oz-in² - 1040 oz-in²*When instantaneous stop or instantaneous bi-directional operation is performed = 550 oz-in² - 2300 oz-in²*When instantaneous stop or instantaneous bi-directional operation is performed = 1230 oz-in² - 3800 oz-in²*When instantaneous stop or instantaneous bi-directional operation is performed = 2200 oz-in² - 8800 oz-in²*When instantaneous stop or instantaneous bi-directional operation is performed = 4900 oz-in²
Permissible Radial Load - 0.39 in. from Shaft End = 67
0.79 in. from Shaft End = 90 lb 		- 0.39 in. from Shaft End = 90
0.79 in. from Shaft End = 112 lb 		- 0.39 in. from Shaft End = 90
0.79 in. from Shaft End = 112 lb 		- 0.39 in. from Shaft End = 90
0.79 in. from Shaft End = 112 lb 		- 0.39 in. from Shaft End = 112
0.79 in. from Shaft End = 146 lb
Permissible Axial Load - 33 lb
Permissible Axial Load -
Speed Control Method (Select one of the following) - Digital Setting using the dial
Number of Speed Settings - 4
Max. Extension Length (m) - 10.50