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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | RI85-PH KV85 |
| Category | Robotics |
| Performance | |
| Torque |
48.0V708.06 oz-in50.99 kg-cm5.0 N-mAverage |
| Speed |
48.0V0.00 sec/60°30,000.0 deg/s5,000.0 RPMTop 10% |
| Running Current |
48.0V9.400 A9,400 mAAverage |
| Stall Current | ≤44 A≤44000 mABottom 10% |
| Rated Output Power | 637.0 W |
| Physical | |
| Weight | 14.50 oz411.0 gAverage |
| Shape | Cylindrical |
| Dimensions |
L 1.26 in W — H — L 32.0 mm W — H — ∅ 3.35 in85.0 mm |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | FET |
| Gear Ratio | 1:1 |
| Rotation Mode | Multi-turn |
| Control & Signal | |
| Angle Sensor | Hall Effect |
| Control System | FOC |
| Electrical & Environment | |
| Operating Voltage | 48–48 V |
| Temperature | -20–85 °C-4–185 °F |
| Connectivity | |
| Wire Length | 200 mm7.87 in |
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
| Torque | Average Stronger than 43% of 52 Custom servos at 48.0V |
| Speed | Top 10% Faster than 97% of 61 Custom servos at 48.0V |
| Weight | Average Lighter than 58% of 74 Custom servos |
| Running Current | Average Lower draw than 42% of 51 Custom servos at 48.0V |
| Stall Current | Bottom 10% Lower draw than 9% of 66 Custom servos |
Performance Analysis
| Torque Density | 1.7228 oz-in/g Stronger than 47% of 39 CubeMars servos |
| Torque-to-Volume Ratio | 50.19 oz-in/in³ Denser torque than 37% of 28 CubeMars servos |
| Speed-to-Weight | 1.21654 (1/sec·g) Faster than 90% of 49 CubeMars servos |
| Speed-Torque Trade-off | 1.42 Better balanced than 18% of 39 CubeMars servos |
| Current-per-Torque Ratio | 0.0621 A/oz-in More efficient than 19% of 33 CubeMars servos |
| No-Load vs Stall Current Spread | 4.68 Narrower current spread than 11% of 37 CubeMars servos |
| Voltage Range Width | 0.0 V Wider voltage range than 6% of 50 CubeMars servos |
Notes
Potted (sealed) frameless inrunner motor. Rated Torque 2Nm (283.224 oz-in). Rated current 16A. Rated speed 3042 RPM.
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