Key specification for this bldc motor: rated voltage 12-220v, 5W. Everything below is reproduced from the factory data sheet. Made by NINGBO YINZHOU BG MOTOR FACTORY (9 years on the platform, factory-assessed). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Bldc Motor
- Model Number: BG28BL-129-4
- Rated Power: 5w-10w
- Power: 5W
- Rated Voltage: 12-220v
- Speed Rpm: 9000rpm-11000rpm
- Speed(RPM): 9000rpm-11000rpm
Technical Specifications
| Commutation | Brushless |
|---|---|
| Rated Voltage | 12-220v |
| Rated Power | 5w-10w |
| Speed Rpm | 9000rpm-11000rpm |
| Speed(RPM) | 9000rpm-11000rpm |
| Efficiency | IE 1 |
| Type | Brushless Motor |
| Construction | Permanent Magnet |
| Frame | 28mm |
| Motor Mounting Type | Foot Mount |
| Protect Feature | Totally Enclosed |
| Usage | Boat, Car, Electric Bicycle, Fan, Home Appliance, Cosmetic Instrument, Smart Home |
| Warranty | 3 months ~ 1 year |
| Continuous Current(A) | 0.5A |
| Model Number | BG28BL-129-4 |
| Torque | 4.7Nm |
| Place Of Origin | Zhejiang, China |
| Brand Name | BG |
| Product Name | 28mm brushless motor |
| Power | 5W |
| Size | 28mm |
| Color | Black |
| Shaft Type | D Shaft |
| Use | Robot |
| Noise | 65dB |
| Bearing | Ball Bearing |
| Certification | CCC, ce, FCC |
| Selling Units | Single item |
Product Details








BG 3514 Brushless DC Motor | |
| Operating temperature | -20℃~50℃ |
| Rotation direction | CW/CCW |
| Noise | ≤65dB |
| Work condition | S1 |
| Number Of Phases | / |
| Insulation class | B-H |
| Protection class | IP40 |
| Electrical Specifications | |||||||||
| Model | RATED LOAD | NO LOAD | STALL | ||||||
| Voltage | Power | Speed | Torque | Current | Speed | Current | Torque | Current | |
| V | W | rpm | N.m | A | rpm | A | N.m | A | |
| BG 3514 | 16.8 | 5 | 10000 | 4.7 | 0.5 | 15000 | 0.1 | 14.1 | 1.5 |
| We can also customize products according to customer requirements. | |||||||||








Founded in 1994, BG motor is a motor manufacturer and supplier integrating R&D, production and sales.
BG motor is supported by quality, driven by technology, strict quality control, and customized solutions for us, which has won us a lot of praise from customers. In the future, we will continue to strive to be the most trusted motor manufacturer in the world.
Over the past few decades, the company has been constantly exploring and researching. Up to now, BG Motor has developed into a manufacturer with 12,000 square meters of factory buildings and fully automatic production lines, which makes the cost of products more advantageous. The main production of brushless DC motors, DC brushed motors, AC motors, worm gear motors, vacuum cleaner motors, robot motors and motor accessories.
BG motor has always been committed to the core values of doing with heart, seeking perfection, daring to take responsibility, and honesty. The mission of turning a better life and continuing to provide customers with the best motor solutions and services. In the future, we will continue to forge ahead, as our founders originally wished, to provide our customers with the highest quality motors.










1. Motor noise problem
Q: The noise of the motor is too loud when it is running, which affects the user experience of the equipment.
A: The minimum noise of the motor produced by BG Motor can be as low as 40dB, and the noise is effectively reduced by optimizing the electromagnetic design and high-precision manufacturing process. In addition, the design can be further adjusted according to customer needs to meet specific application scenarios
2. Insufficient motor life
Q: The service life of the motor in some applications is not as expected.
A: BG Motor's motors have passed rigorous durability tests and are made of high-quality materials to ensure that the life is far beyond the industry standard. We also provide high-temperature and wear-resistant designs, which are particularly suitable for high-intensity applications
3. The motor size does not match the equipment
Q: The motor size limit makes it impossible to integrate with existing equipment.
A: BG Motor supports customized services, including adjusting the motor diameter, length, shaft diameter, mounting hole position, etc., to ensure that the motor size is fully adapted to the customer's equipment
4. Insufficient torque or power of the motor
Q: The motor cannot provide the power output required by the equipment.
A: We provide customized services with a wide range of power and torque. For example, the power range of brushless DC motors is 5W-20KW, and the torque and speed can be optimized as required, supporting the application of heavy-duty equipment
5. The protection level of the motor
Q: The motor is easily damaged in harsh environments, such as moisture, dust or underwater working conditions.
A: BG Motor provides motor designs with the highest protection level of IP68, which are suitable for complex environments such as moisture, dust and underwater
6. Motor vibration problem
Q: Excessive motor vibration will cause equipment accuracy to decrease or component wear.
A: The vibration of the motors produced by BG Motor is controlled within 6.1mm/s², and optimized rotor balance and high-precision bearing design are used to reduce the impact of vibration
7. Low motor efficiency
Q: The energy consumption of the motor is too high and the efficiency is not up to standard.
A: BG Motor uses advanced electromagnetic simulation technology to optimize the design to ensure high-efficiency motors. In addition, our products have passed CE, FCC and other certifications to ensure green environmental protection and efficient operation
8. The performance consistency of the motor
Q: The performance of motors in different batches is inconsistent, which affects large-scale applications
A: BG Motor has a fully automated production line and a strict quality control system, with a finished product qualification rate of 99.99%, and provides detailed test reports and performance curves


Ordering and Pricing
- Minimum order quantity: 200 piece
- Volume pricing:
- 200–999 piece: US $19.99 / piece
- 1000–4999 piece: US $16.89 / piece
- 5000–9999 piece: US $9.99 / piece
- 10000+ piece: US $4.99 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this bldc motor?
The standard minimum order quantity is 200 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 3 months ~ 1 year warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this bldc motor carry?
It is supplied with CCC, ce, FCC documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the bldc motor be supplied for my local voltage?
The standard configuration is 12-220v. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by NINGBO YINZHOU BG MOTOR FACTORY, based in China. The company 9 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full NINGBO YINZHOU BG MOTOR FACTORY range on HVACR Nexus.
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