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8520-Q high speed DC motor / 50000rpm 3.7v 8mm DC motor for quadcopter

Omar was professional and went out of his way to help me get my samples on time for the prototype demo.

—— James Pereira

Good to deal with, working on small changes. Excellent manufacturing quality.

—— Graham Lynch

Brilliant service, from start to finish. Good communications throughout and product arrived on time. Product is excellent quality and packaged very well. We will be ordering from this company again. Very honest, trustworthy and efficient company to deal with. Very pleased they got in touch with us and they are a credit to Alibaba. Special thanks to

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8520-Q high speed DC motor / 50000rpm 3.7v 8mm DC motor for quadcopter

China 8520-Q high speed DC motor / 50000rpm 3.7v 8mm DC motor  for quadcopter supplier
8520-Q high speed DC motor / 50000rpm 3.7v 8mm DC motor  for quadcopter supplier 8520-Q high speed DC motor / 50000rpm 3.7v 8mm DC motor  for quadcopter supplier

Large Image :  8520-Q high speed DC motor / 50000rpm 3.7v 8mm DC motor for quadcopter

Product Details:

Place of Origin: China
Brand Name: Tronsun Motor
Certification: RoHS
Model Number: 8520-Q

Payment & Shipping Terms:

Minimum Order Quantity: 100pcs
Price: Negotiation
Packaging Details: TBD
Delivery Time: 25-35 days
Payment Terms: T/T, Paypal
Supply Ability: 500kpcs/month
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Detailed Product Description
Other Name: 50000 Rpm DC Motor Voltage: 3.7v
Diameter: 8.5mm Speed: 50000rpm
Rotation Direction: CW/CCW Bi-direction Operating Temperature Range: -10℃ To +50℃
Housing Diameter: 8.5mm Housing Length: 20mm

High Speed 3.7v 50000rpm high quality 8mm coreless dc motor for quadcopter


Model No.: 0816/8520



RC Models

Electric toys

Mini electronic products




Coreless dc motor

Precious metal brush

1.5v-3.7v voltage range

High speed

8.0/8.5mm body diameter

Oil-impregnated bearing


Outline Drawing:


8520-Q high speed DC motor / 50000rpm 3.7v 8mm DC motor  for quadcopter8520-Q high speed DC motor / 50000rpm 3.7v 8mm DC motor  for quadcopter

Motor Performance:

V rpm A rpm A g.cm mN.m W g.cm mN.m A
0816-Q-1 2.0~4.5 4.2 14500 0.012 12400 0.06 1.4 0.14 0.18 9.50 0.93 0.35
0816-Q-2 2.0~4.0 3.2 37000 0.1 32000 0.57 3.9 0.38 1.28 28.00 2.75 3.6
0816-Q-3 3.0~8.0 7.2 15000 0.08 12400 0.035 1.3 0.13 0.17 8.80 0.86 0.2
8520-Q-1 1.5~4.5 4.2 42000 0.076 31800 0.58 4.2 0.41 1.37 36.50 3.58 4.45
8520-Q-2 1.5~4.0 .3.7 52000 0.18 45150 1.18 5.2 0.51 2.41 39.50 3.88 7.8
8520-Q-3 1.5~4.0 3.4 40000 0.1 35600 0.74 3.9 0.38 1.42 36.00 3.53 6.4


The shaft length and motor performance can be custom made, such as the voltage and speed.


Pls download PDF spec for referrence.

8mm coreless dc motor.pdf


Product Showcase:

8520-Q high speed DC motor / 50000rpm 3.7v 8mm DC motor  for quadcopter








Why Us

We can custom made the performance.

100% inspection to ensure the quality.

High quality export package

Professional international sales team.

Fast response within 24h



Q: How to select a suitable motor?
A: If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed life time and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.

Q: Do you have customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.

Q: Do you have individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but it may need some mould charge and design charge.

Q: Can I have samples for testing first?
A: Yes, definitely you can. After confirmed the needed motor specs, we will quote and provide a proforma invoice for samples, once we get the payment, we will get a PASS from our account department to proceed samples accordingly.

Q: How do you make sure motor quality?
A: We have our own inspection procedures: for incoming materials, we have signed sample and drawing to make sure qualified incoming materials; for production process, we have tour inspection in the process and final inspection to make sure qualified products before shipping.

Q: What's your lead time?
A: Generally speaking, our regular standard product will need 25-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depends on the specific orders

Q: What's your payment term?
A: For all our new customers, we will need 40% deposite, 60% paid before shipment.

Q: When will you reply after got my inquiries?
A: We will response within 24 hours once get your inquires.

Q: How can I trust you to make sure my money is safe?
A: We are certified by the third party SGS and we have exported to over 85 countries up to June.2017. You can check our reputation with our current customers in your country (if our customers do not mind), or you can order via alibaba to get trade assurance from alibaba to make sure your money is safe.

Q: What's the minimum order quantity?
A: Our minimum order quantity depends on different motor models, please email us to check. Also, we usually do not accept personal use motor orders.

Q: What's your shipping method for motors?
A: For samples and packages less than 100kg, we usually suggest express shipping; For heavy packages, we usually suggest air shipping or sea shipping. But it all depends on our customers' needs.

Q: What certifications do you have?
A: We currently have CE and ROSH certifications.

Q: Can you send me your price list?
A: Since we have hundreds of different products, and price varies per different specifications, we are not able to offer a price list. But we can quote within 24 hours once got your inquirues to make sure you can get the price in time.

Q: Can I visit your company?
A: Yes, welcome to visit our company, but please let us know at least two weeks in advance to help us make sure no other meetings during the day you visit us. Thanks!

Contact Details
Shenzhen Tronsun Motor Co., Ltd

Contact Person: Omar Zhang

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