28BYGH NEMA 11 Stepper motor with 28mm gearbox max reduction ratio 1:144

*Products can match gearbox 22.28mm

Powder metallurgy 22 mm gearbox with porous bearing has choices of the following reduction ratio:

Stage 1

1/4, 1/4.75

Stage 2

1/16, 1/19, 1/22, 1/26

Stage 3

1/76, 1/88, 1/104, 1/121, 1/144

For the 28mm gearbox, there're 2 reduction ratios which are 1:3 &1:6 (both are one stage).

Please scroll down to see more details about the gearbox

MOTOR PART Electrical Specification:

*Products can be customized by special request.

Mechanical Dimension

Wiring Diagram

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GEARBOX PART Electrical Specification:

Out diameter 22mm

Mechanical Dimension

Out diameter 28mm

Changzhou Hetai Motors

Hetai is located in Changzhou, Jiangsu province. Our workshop area is over 15,000㎡. Since Hetai was founded in 1999, the specialization and scale of production have ensured to manufacture of five million motors every year.

Factory Scale Of Hetai

Since the reorganization in 1998, it has formed a certain scale of production and sales, with an annual production of more than 3 million motors.

Changzhou Hetai Motors is an experienced motor manufacturer. For more than 20 years, Hetai dedicates to providing professional electrical integration design and automation strategies for customers. We have variable manufacturing equipment, such as an assembly line, Automatic cylindrical grinder, and CNC machining centers as well.

Products Range Of Hetai

Stepper Motor, Planetary Gearbox& Gearbox Motor, Brushless DC Motor, Servo Motor.

Changzhou Hetai Electric Appliance Co., Ltd. is a micro-motor manufacturing enterprise with strong technical strength. Specializing in the production of various stepper motors, stepper motor drivers, brushless DC motors, etc., with an annual output of 3 million units! Products are mainly used in printers, ticket printing machines, engraving machines, medical instruments, stage lighting, the textile industry, and other industries of automation equipment and instruments.

Market Range of Hetai

Hetai also sends its products to the USA, Europe, Southeast Asia, and all-around China.

Certificate Of Hetai

When it comes to the quality aspect, Hetai was qualified by ISO Certificate, CE, Reach and  Rohs. The product quality has also been recognized by many customers. Hetai is also proud of its research and development strength. With the support of a professional laboratory and experienced technicians, Hetai gained 13 Utility Patents and high-tech enterprise Awards as well as other awards during the years.

Overall, Hetai always puts customer needs a first place. Not only supplying a quality products, we believe to help customers make better product is the most important mission.