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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SM-70BL-C001 |
| Category | Hobby |
| Performance | |
| Torque |
24.0V972.30 oz-in70.01 kg-cm6.9 N-m |
| Speed |
24.0V0.13 sec/60°461.5 deg/s76.9 RPM |
| Running Current |
24.0V0.180 A180 mA |
| Stall Current | ≤3.5 A≤3500 mAAverage |
| Physical | |
| Weight | 3.23 oz91.6 gBottom 10% |
| Dimensions |
L 1.575 in W 0.787 in H 1.882 in L 40.0 mm W 20.0 mm H 47.8 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | 4-pole |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Shaft Size | 5.9 mm |
| Rotation Mode | Multi-turn |
| Backlash | 0.500° |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 360° |
| Refresh Rate | 1000 Hz |
| Angle Sensor | Magnetic Encoder |
| Control System | RS485 |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 16.8–25.2 V |
| Temperature | -40–70 °C-40–158 °F |
| Idle Current | 0.022 A22 mA |
| Connectivity | |
| Connector | TJC25020-4P |
| Wire Length | 400 mm15.75 in |
| Origin | |
| Country of Origin | China |
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 | Bottom 10% Lighter than 1% of 1880 Digital Standard servos |
| Stall Current | Average Lower draw than 45% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 13.83 W |
| Power Density | 5.926 W/in³ More power-dense than 85% of 1768 Digital Standard servos |
| Torque Density | 10.6146 oz-in/g |
| Torque-to-Volume Ratio | 416.66 oz-in/in³ |
| Speed-to-Weight | 0.08398 (1/sec·g) |
| Speed-Torque Trade-off | 126.41 |
| Current-per-Torque Ratio | 0.0036 A/oz-in |
| Idle-to-Running Current Ratio | 0.122 |
| No-Load vs Stall Current Spread | 19.44 |
| Voltage Range Width | 8.4 V Wider voltage range than 99% of 1560 Digital Standard servos |
| Backlash-to-Range Ratio | 0.00139 5th-highest backlash-to-range ratio of 52 Digital Standard servos |
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