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RS380D High-Speed High-Torque D-Cut Motor| 7.4V~11V
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$52.00 NZD
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7.4V~11V High RPM DC Motor 35000-53000 RPM - CHR-RS380D High Torque Permanent Magnet Motor with 2.3mm Round Shaft & Output Gear
Product Description
Unleash reliable, high-performance power with the Chihai CHR-RS380D High-Speed DC Motor, engineered for speed, torque, and durability. This 380D-series motor delivers blistering 35,000 RPM at 7.4V and up to 53,000 RPM at 11.1V, paired with high-torque performance, making it ideal for demanding DIY builds, RC models, power tools, and hobby projects.
Built with dual ball bearings, it ensures smooth, low-friction operation, extended service life, and reduced noise during high-speed use. The precision 2.3mm round shaft (15mm length) comes ready to mount with an included output gear, so you can integrate it into your projects right out of the box. At just 76g (85g with wire), its compact size (Φ27.7×38mm) balances power and portability perfectly.
Key Features & Benefits
✅ Extreme Speed & Torque: Permanent magnet design delivers 35,000 RPM (7.4V) / 53,000 RPM (11.1V) with 167.3 mN·m stall torque for heavy-load performance.
✅ Durable Dual Ball Bearings: Minimizes friction and wear, ensuring long-lasting, stable operation even at maximum RPM.
✅ Ready-to-Use Design: 2.3mm round shaft with 15mm length + included output gear for hassle-free installation.
✅ High Efficiency: 76.8% efficiency at rated load (7.4V) reduces power waste and prevents overheating.
✅ Compact & Lightweight: Φ27.7×38mm body, 76g weight (85g with wire) fits tight spaces without sacrificing power.
Full Specifications
| Parameter | Details |
|---|---|
| Brand | Chihai Motor |
| Model | CHR-RS380D |
| Type | High-Speed Permanent Magnet DC Motor |
| Operating Voltage | DC 7.4V ~ 11.1V |
| Rated Speed | 35,000 RPM (7.4V) / 53,000 RPM (11.1V) |
| No-Load Speed (7.4V) | 35,200 RPM |
| Stall Torque (7.4V) | 167.3 mN·m |
| Stall Current (7.4V) | 86A |
| Max Efficiency | 76.8% |
| Motor Dimensions | Φ27.7 × 38mm |
| Shaft Specs | Φ2.3mm Round Shaft, 15mm Length |
| Weight | 76g (Motor Only) / 85g (With Wire) |
| Bearings | Dual Ball Bearings |
| Included Accessories | Output Gear |
Common Applications
- RC car models, drones, and remote-controlled toys
- DIY power tools (mini grinders, fans, drills)
- Educational robotics and science projects
- Small home appliances and portable equipment
Care Instructions
Care Instructions

