Could this unit control a stepper motor used on a heavy duty telescope mount for star tracking? It would push/pull approx. 30 lbs.

This is a motor, not a controller. It is on or off. Not a stepper motor.

What attaches to the turning part?

The output shaft of these motors are a 6mm D-shaped shaft with a threaded hole. Unfortunately, I don't know the specification for the threaded hole in the shaft Instead, I used a small aluminum hub, also available here on Amazon: https://www.amazon.com/gp/product/B00B887FX8/ref=ppx_yo_dt_b_asin_title_o04_s03?ie=UTF8&psc=1 That hub comes as a set of 2, with set-screws, and a small Allen wrench, but no other hardware. For that hub, I needed to get some #4-40 machine screws. I used 3/8" machine screws for the thickness of the material I mounted to the hub so that the screws would not protrude through the hub and into the motor mount. There are other 6mm hubs available that should work just as well. However, I selected the one listed above because of positive reviews, and in particular, info indicating that this hub uses 2 set screws which makes it more secure. That info was accurate. And I've found that hub fits and works perfectly for my application. I hope this helped.

What is the ratio of input to output? I'm looking for 30:1 or 60:1

This motor has 1:40 ratio and 1:65 ratio. The 1:40 ratio is 210rpm and 1:65 ratio is 90rpm.

Is there a template available to build a mount?

Lowes has some metal L-brackets that fit the bolt pattern perfectly. Coupled with 3mm screws from Lowes, it mounts easily.

Bringsmart Jgy 370 Dc Worm Gear Motor 12 Volt High

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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€ 55.10

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

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Description

⚙️ Unlock precision power with the Bringsmart JGY-370 — torque and control in your hands!

TRUSTED BY PROS - Top choice for model builders and DIY engineers with 4.4-star rating from 268 users
POWERFUL HIGH TORQUE - Delivers a robust 22.5kg.cm torque for demanding applications
SELF LOCKING MECHANISM - Ensures output shaft stays fixed without power—ultimate safety and control
PRECISION SPEED CONTROL - Optimized 10 RPM rated speed for smooth, reliable performance
COMPACT DURABLE DESIGN - Metal and steel build in a sleek 25x25mm form factor fits tight spaces

The Bringsmart JGY-370 is a compact 12V DC worm gear motor featuring a high torque output of 22.5kg.cm and a rated speed of 10 RPM. Its self-locking design secures the output shaft when unpowered, making it ideal for precision toy models, DIY projects, and industrial applications. Built with durable metal and steel components, this motor combines reliability with a compact 25x25mm footprint, earning strong user trust and a 4.4-star rating.

Specifications

ASIN	B078JHVJYL
Best Sellers Rank	#106,914 in Toys ( See Top 100 in Toys ) #80 in Model Building Motors
Brand	Bringsmart
Brand Name	Bringsmart
Country Of Origin	China
Customer Reviews	4.4 out of 5 stars 268 Reviews
Horsepower	12 Horsepower
Item Dimensions W x H	25W x 25H millimeters
Item Weight	169 Grams
Manufacturer	Hugwit Company
Material Type	metal, paper, steel, Paper Steel
Model	JGY-370
Model Name	gear
Model name	gear
Part Number	JGY-370
Product dimensions	25W x 25H millimeters
Speed	10 RPM
UPC	608651617815
Voltage	12 Volts

Reviews

A**R

Solid option for BF556

I used this to make a BF556 bullet / casefeeder for my reloading press. The project has a body that fits this motor. No issues thus far and I've used it for thousands of rounds.

2.07.2026

C**E

As described

Wos well

13.07.2024

C**T

I love the compact size!!

Compact size - Yes, but better yet is the worm drive - when the current stops, so does the rotation. It's like having a built-in BRAKE, at no additional expense. I just hope these motors continue to be available for purchase. They're great for opening window blinds or trap doors, also good for lifting (medium) heavy loads. They continue to operate at low RPM with a PWM speed controler. I use one to power a turn-table.

24.11.2021

B**.

Solid product

Does great job tuning my ham magloop antenna.

19.01.2026

E**K

Good moters

Use to power Christmas display animations. Good power but can get noisy.

8.02.2024

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€ 55.10

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

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Smooth transaction and product arrived in perfect condition.

3 weeks ago