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This section provides an overview for frameless motors as well as their applications and principles. Also, please take a look at the list of 11 frameless motors manufacturers and their company rankings. Here are the top-ranked frameless motors companies as of February, 2026: 1.Shenzhen Mosrac Motor Co., Ltd., 2.BeUDMKE, 3.Jiangsu Fulling Motor Technology Co., Ltd.
Table of Contents
A Frameless Motor is a compact motor solution that dispenses with an external housing and traditional support structures like a dedicated shaft.
While conventional motors are self-contained units integrating a rotary shaft and a protective housing, a frameless motor consists only of the core functional components: the rotor and the stator. These motors are designed to be integrated directly into a machine's enclosure.
The primary advantage of this design is the ability to achieve significant miniaturization and weight reduction. By eliminating external casings and redundant coupling components, high power density can be maintained within a minimal footprint. Furthermore, integrating the rotor directly onto the machine's existing rotary axis enables superior control precision and mechanical stiffness.
Frameless motors are ideal for high-performance applications, including:
Frameless motors are widely used as the primary drive source for robotic arms and joints. In collaborative robots (cobots) that work alongside humans, reducing the robot’s overall mass is critical for safety. Embedding frameless motors directly into the joints allows for a more compact and lightweight design, enabling smoother, more delicate movements.
In the medical field, where high reliability and precision are paramount, frameless motors are a standard choice. They are utilized in the end-effectors of surgical assistance robots, high-speed dental drills, and the rotating mechanisms of diagnostic imaging equipment. Their ability to deliver high torque from a small form factor allows for precise control that accurately reflects a surgeon’s subtle hand movements.
In the aerospace sector, where weight restrictions are exceptionally stringent, the lightweight nature of frameless motors is highly valued. They are used in satellite antenna positioning units and aircraft flight control surfaces. By minimizing the total component count, these motors reduce the risk of mechanical failure while maintaining high responsiveness in harsh environments.
*Including some distributors, etc.
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Allied Motion Technologies Inc., established in 1962 is a designer, manufacturer, and retailer of precision and specialty motion control components and systems headquartered in Amherst, New York The company offers electronic, electromagnetic, and mechanical motion technology segmented into brushed DC motors, AC motors, gear motors, brushless motors, and vehicle steering & traction brushless. Its products are used in various motion control applications in the industrial, vehicle, electronics, and aerospace & defense markets. They also supply the medical sector with critical motion control solutions such as power wheelchair control systems, motion control for ventilators, and respirators & medical robots.
Nidec Corporation traces its roots all the way back to 1908. The company has established itself as an international conglomerate that handles virtually everything that spins and moves. Through its over 300 subsidiaries across the globe, the company manufactures motors that run the spectrum from tiny precision motors in cell phones to motors powering heavy commercial and industrial equipment. The company and its subsidiary's power devices and machines are used in many industrial and personal sectors including agriculture, exercise equipment, HVAC, and refrigeration. Products and services include many varieties of motors, drives, and generators.
Mabuchi Motor offers a wide range of brushless motors for various applications, including AGVs, electric wheelchairs, industrial equipment, and medical devices. Our motors feature a compact and lightweight design combined with high torque, while their excellent energy conversion efficiency supports your energy-saving goals. With an extensive lineup, including models with gear reducers, electromagnetic brakes, resolver-equipped versions for enhanced control, and hollow frameless types for smooth motion,we also offer complete drive units with integrated controllers. With our extensive lineup, we help you overcome design challenges.
Exmek Electric is a manufacturer of motion control solutions for OEMs based in China. The company produces various types of motors including BLDC Motors, Brush Motors, Integrated Motors, Stepper Motors, Brakes, and Planetary Gearboxes. The company specializes in precise motion control solutions for various industries, including Robotics, Automobile, Medical, Material Handling, Solar Tracking, and more. The company can also cater to the unique motion control needs of different industries, from design to volume production.
Nanotec Electronic GmbH & Co. KG, headquartered in Feldkirchen, Munich, Germany, is a manufacturer of motors and controllers for performance drive solutions since 1991. The products include motors, gearboxes, brakes, encoders, and actuators. Accessories include lubricants, capacitors, spacer sleeves, brake choppers, and connection cables used in semiconductor production, medical engineering, automation systems, the packaging sector, and laboratory automation. The company received the Top 100 award in 2022 for the second time in a row.
Jiangsu Fulling Motor Technology Co., Ltd was established in 2001 and is a manufacturer of motor products based in China. The company offers various products such as hybrid stepping motor, outer rotor BLDC motor, and closed-loop brushless servo motor. The products have been applied in various industries such as office automation, bank equipment, and green energy. The company has passed the certification of ISO 9001, IATF 16949, and ISO 14001. The products are manufactured under RoHS and CE standards, and some products are also UL approved.
Rozum Robotics, founded in 2015, is a manufacturer of advanced robotic systems and components based in Minsk, Belarus. The company's offerings include various robotic products, including robotic arms, robot controllers, linear actuators, and custom solutions. One of the standout features of the company's robotic arms is its precision. These arms are engineered to perform tasks accurately, ideal in applications requiring precise movements, such as assembly, quality control, and material handling. The company has also ventured into the field of collaborative robots. These robots are designed to work safely alongside humans and are particularly valuable in medical environments and research labs.
Founded in New York in 1916, Kollmorgen designs and manufactures motion system, drives, motors, actuators, gear heads, automated guided vehicle (AVG) systems, and accessories across a number of implementations and industries. These include aerospace, AGV, food&beverage, machine tools, metal forming, medical automation and imaging, energy, packaging, pharmaceutical, postal sorting, printing, robotics, smart warehouses, and tire and rubber production. Kollmorgen assists customers both in custom designs and in allowing customers to design their own devices based on individual needs.
Mabuchi Motor Co., Ltd, founded in 1954 and located in Matsudo City, Japan, is a manufacturer and supplier of a wide array of motors. The company’s range of products includes brushless motors, geared brushless motors, and brushless motors with resolver sensors. Its brushless motors are waterproof and are suitable for a large range of applications, such as autonomous robots, personal mobilities, and power assist robots. Its geared brushless motors are excellent for warehousing robots and service robots.
Ranking as of February 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Shenzhen Mosrac Motor Co., Ltd. |
10.0%
|
| 2 | BeUDMKE |
10.0%
|
| 3 | Jiangsu Fulling Motor Technology Co., Ltd |
10.0%
|
| 4 | MABUCHI MOTOR CO., LTD |
10.0%
|
| 5 | Rozum Robotics |
10.0%
|
| 6 | Exmek Electric |
10.0%
|
| 7 | Allied Motion, Inc. |
10.0%
|
| 8 | Nidec Motors |
10.0%
|
| 9 | Nanotec Electronic GmbH & Co. KG |
10.0%
|
| 10 | Kollmorgen Corporation |
10.0%
|
Derivation Method
The ranking is calculated based on the click share within the frameless motors page as of February 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
China
|
3 | 42.9% |
|
United States of America
|
2 | 28.6% |
|
Japan
|
1 | 14.3% |
|
Germany
|
1 | 14.3% |
