B05 Series
Major dimensions (with Hall-effect sensor and Temperature sensor)

B05-06 | B05-13 | B05-19 | B05-25 | B05-38 | |
---|---|---|---|---|---|
Overall length A (mm) |
27 | 33 | 42 | 50 | 67 |
Core dimension B±0.5 (mm) |
7.5 | 14 | 20.5 | 26.5 | 39.5 |
Yoke dimension C±0.1 (mm) |
14 | 21 | 27 | 33 | 46 |
Motor mass (kg) |
0.14 | 0.22 | 0.30 | 0.36 | 0.51 |
Specifications
B05-06 | B05-13 | B05-19 | B05-25 | B05-38 | |
---|---|---|---|---|---|
Max. rotation speed N [r/min] |
16,800 | 8,700 | 5,600 | 4,400 | 2,900 |
Rated max. torque T [N・m] |
0.07 | 0.14 | 0.22 | 0.28 | 0.38 |
Motor constant KM [N・m/√W] |
0.024 | 0.043 | 0.060 | 0.073 | 0.096 |
Torque constant Kt [N・m/A] |
0.057 | 0.11 | 0.17 | 0.22 | 0.32 |
Rotor inertia JM [kg・m 2] |
1.6×10-6 | 2.4×10-6 | 3.1×10-6 | 3.8×10-6 | 5.3×10-6 |
Running torque curve

Simulation conditions
- *1 The simulation conditions are examples. We perform individual simulations based on the customer's specifications.
- Continuous rated torque is expressed (duty100%).
- Heat radiation condition: Natural heat radiation
- Envrionmental temperature: 40℃
- Winding maximum temperature: Up to 85℃
- *2Rotation detector is not considered.
Formula for calculating torque
√3/2 × torque constant between terminals Kt (N·m/A) × motor current lm [A]
Contact Information
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