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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BG-1139SWP |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
620.88 oz-in
44.71 kg-cm
4.4 N-m
7.4V
548.66 oz-in
39.51 kg-cm
3.9 N-m
6.0V
452.81 oz-in
32.61 kg-cm
3.2 N-m
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.11 sec/60°
545.5 deg/s
90.9 RPM
6.0V
0.13 sec/60°
461.5 deg/s
76.9 RPM
|
| Physical | |
| Weight | 2.56 oz72.5 gBelow Average |
| Dimensions |
L 1.598 in W 0.811 in H 1.563 in L 40.6 mm W 20.6 mm H 39.7 mm |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Multi-turn |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 2160° |
| Mechanical Limit | 2160° |
| Pulse Width | 900-2100 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.5–8.5 V |
| Power Source | 2S Li-Po / 2S Li-Fe |
| Water Rating | Waterproof |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Origin | |
| Country of Origin | Taiwan |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Class Comparison
| Weight | Below Average Lighter than 26% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 6.44–11.48 W |
| Power Density | 5.667 W/in³ More power-dense than 82% of 1759 Digital Standard servos |
| Torque Density | 6.2457 oz-in/g |
| Torque-to-Volume Ratio | 223.54 oz-in/in³ |
| Speed-to-Weight | 0.10610 (1/sec·g) |
| Speed-Torque Trade-off | 58.87 |
| Voltage Range Width | 4.0 V Wider voltage range than 93% of 1539 Digital Standard servos |
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