Precision engineered frameless & DDR motors
manufacturer and supplier

Power your world with personalized, high-quality custom frameless & DDR torque motors for every need.

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Precision engineered frameless & DDR motors manufacturer and supplier

The solutions we provide enable you to achieve enhanced precision, increased efficiency, and reduced overall expenses.

Certifications ISO001:2015 | CE | Rohs | REACH

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We are your best solution for

Our R&D experts are ready to help you choose custom torque motors that lower costs, higheroutput, and better performance.

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Multi-torque Motor Options

Source all your motor needs in one place and simplify your supply chain from our one-stop torque motor platform.

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Dedicated expert support

Our dedicated expert team is here to guide you every step of the way so you can make more informed decisions.

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End-to-end solution

We offer full-service partnership from product concept to delivery, we handle it all for you.

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Custom sizing

Customize size and manufacture torque motors that perfectly match your vision without limitations.

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The Mosrac Promise

Experience the Mosrac difference with superior products and exceptional service. Guaranteed quality and satisfaction.

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Extensive option library

You can choose from unique 100+ in-built customization options to design your ideal torque motor.

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Professional design services

Our 20-talented R&D team and designers create stunning motor designs tailored to your brand.

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Managed manufacturing

Benefit from our seamless, and efficient manufacturing process with transparent production updates.

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Sustainability

Choose from our eco-friendly motor technology solutions to contribute to a sustainable and greener world.

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Hassle-free logistics

Let us handle the logistics to ensure seamless shipping, saving you time and money.

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Meticulous proofing

We thoroughly review your order before production to ensure perfection in every detail.

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Proactive cost optimization

Our experts find cost-saving torque motor solutions and optimize your investment for every project.

One for all solution, for standard & custom frameless & housed DDR torque motors

Get everything custom torque motor tailored to your applications all in one place.

Frameless motor

Standard motors are made from eco, quality materials.

Browse full catalog

Housed DDR motor

Standard motors are made from eco, quality materials.

Browse full catalog

Servo Joint Module

Robt joint module are made from eco, quality materials.

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Magnetic Encoder

Magnetic encoder delivers reliable high-resolution.

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Looking for something else about torque motors

Looking for something else? We can help.

Talk to our experts.

Request a custom quote

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Products

Find the perfect frameless torque motor, DDR motors, or magnetic encoders for your special application. Mosrac's products serve global markets.

U19 Series 19MM Motore Frameless

U25 Series 25MM Smallest Frameless Motors

U38 Series 38MM Frameless Torque Motor

U50 50MM Series Frameless Servo Motor

U60 60MM Series Frameless BLDC Motor

U68 68MM Series Frameless Rotary Motors

U76 Series Brushless Frameless DC Motor

U85 Series Frameless Brushless Motor

OUR TIMELESS MISSION

Our customized torque motors solution for specific application

We offer customized industry-matched frameless and housed torque motors for your needs. To make torque motors better, easier, and more affordable for everyone, everywhere.

Robotics

Robotics

Revolutionize robot with compact motors delivering unmatched speed, efficiency for cutting-edge applications.

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Industrial Automation

Accelerate productivity and precision with our robust, high-precision frameless motors.

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Semiconductor

Semiconductor

Achieve groundbreaking throughput and precision with our advanced motor solutions.

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Electroincs

Consumer Electronics

Immerse yourself in unparalleled performance and efficiency with our advanced motor technology.

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Machine tools

Machine tools

Experience unmatched speed, precision, reliability, and durability for cutting-edge applications.

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Medical

Medical

Drive innovation with our diverse range of medical motor solutions for surgical robotics, prosthetics, and more.

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Printing

Printing

Achieve exceptional print quality and speed and consistency with our innovative motor technology.

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Aerospace

Aerospace

Soar higher with our high-performance, reliability, and durability standard and custom motor solutions.

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Vehicles

Vehicles

Revolutionize vehicle performance and efficiency with our advanced torque motors.

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Emma Application Engineers
to torque motors

If you have a technical question, please contact our application engineers.

Talk with an expert

360° Torque Motor Solutions By Mosrac

Comprehensive solutions for all your frameless and housed motor needs, from design to delivery.

Torque Motor Audit

We will diagnose your motor's performance and identify improvement opportunities.

Torque motor strategy

Develop a customized winning motor strategy with our expert guidance to achieve your goals.

Cost optimization

Reduce motor costs with our proven optimization techniques, like material alternatives, and supply chain optimization.

Supply chain optimization

Analyze and build a robust and the most efficient supply chain network.

Torque motor design

Create visually striking motors that perfectly align with your brand identity with our motor designers.

Motor Engineering

Benefit from precision engineering tailored to your exact specifications and custom motor for optimal performance.

Sampling & Prototyping

Test and tweak your motor designs with samples to bring your vision to life before mass production.

Motor testing

Ensure motor reliability with extensive performance test.

Material optimization

Reduce costs and waste through efficient material engineering while maximizing performance.

Strategic sourcing

Reduce costs and environmental impact through strategic sourcing.

Multi-torque Motor Ordering

Source and assemble your entire motor line effortlessly with our global network of certified facilities.

Multi-torque motor ordering

Build an entire product line in one place using a range of certified facilities worldwide for every piece of your motor.

Quality control management

We offer uncompromising quality assurance and every motor undergoes rigorous testing and inspection.

Route optimization

Our dedicated logistics team optimizes routes to ensure eco-friendly on-time delivery.

Cargo optimization

Our cargo optimization solutions deliver cost savings and on-time delivery.

Just-in-time delivery

Ensure your project stays on track and rely on our dedicated team for just-in-time delivery.

End-to-end delivery

Experience hassle-free safe and timely shipping and packaging with our end-to-end delivery service.

Customer satisfaction

Build lasting customer relationships through tailored solutions for your target market.

Project evaluation

Identify improvement areas and develop effective strategies with our motor experts for smoother operations.

Project optimization

Streamline your supply chain and boost profitability with Mosrac.

frameless-and-housed-torque-motors-from-mosrac-removebg-preview

Mosrac Complete Torque Motor Solution Guaranteed

Save cost & time

Maximize efficiency, and minimize expenses with our time-saving solutions

More reliability

Trustworthy motors from certified manufacturers for peace of mind every time.

More brand impact

Create a lasting impression on your customers' minds for brand impact and recognition with our innovative motors.

Become sustainable

Choose eco-friendly torque motors from a certified manufacturer without compromise.

Your ultimate torque motor manufacturer

Shenzhen Mosrac Motor Co., Ltd is a pioneer in direct drive (DD) torque motor technology,delivering precision-engineered solutions for demanding industries. Since 2010,our Shenzhen-based facility has been at the forefront of innovation, producing high-performance frameless and DD motors renowned for their reliability, efficiency, and customizability. From robotics and automation to medical equipment and beyond, our motors drive cutting-edge applications.

Global Supply Chain

Provide custom frameless and housed DDR motors to our extensive global supply need.

Manufacturing Excellence

Our custom-engineered torque motors provide quality assurance to boost your product's appeal.

R&D Team Capabilities

Add a higher perceived value to your products with reliable custom torque motors engineered to deliver quality assurance.

More about us

Custom Solutions

Your Custom Motion Solution

We offer superior motion control to boost performance and cut costs with our custom motor, gearbox, and mechatronic solutions.

Our Happy Customers From 70+ Countries

Our customers speak louder than us.

Mosrac's tailored motor solution transformed our medical device. Their expert team provided exceptional support, resulting in a product that surpassed our expectations in performance and reliability.

Dr.Emily Carter

CEO-MedTech Innovations

Mosrac's deep understanding of our specific needs led to a motor solution that perfectly met our requirements. Their precision engineering and exceptional service have dramatically improved our manufacturing efficiency.

Mark Johnson

Dev Engr-Precision Robotics

The exceptional quality of Mosrac's torque motors is a testament to their commitment to excellence. These motors have far exceeded our performance expectations and are a key component of our success.

Alex Turner

Engr Director-GreenTech

Most Frequently Asked Questions And Answers

Have questions about our custom motors? Find clear answers to common customer inquiries we get before closing the deal.

Our MOQ varies based on the specific motor and customization level. To get an accurate MOQ for your desired product, please contact our sales team. We understand that every business is unique, and we strive to accommodate diverse order sizes.

While we recommend meeting our MOQ to optimize production efficiency, we can consider smaller orders on a case-by-case basis. For samples or small quantities, please reach out to our sales team for personalized assistance.

Production time typically ranges from 10 to 30 business days but can vary based on product complexity and order volume. For precise estimates and to view product-specific lead times, please visit our product pages.

Yes, we provide digital proofs for your review and approval before starting production. This ensures that the final product meets your exact specifications.

We specialize in custom frameless and housed Direct Drive (DD) motors. Our range includes various torque outputs, size, speed, and current to meet diverse application needs.

Our motors are widely used in robotics, automation, medical equipment, semiconductor manufacturing, printing, packaging, and other industries requiring precise motion control.

Yes, we excel in custom motor design and manufacturing. Our engineers can work closely with you to develop a motor tailored to your specific requirements.

Lead times vary based on product complexity and order volume. Typically, it ranges from 2 to 6 weeks. For exact timelines, please consult with our sales team.

We maintain stringent quality control measures throughout the production process, including material inspection, assembly testing, and final performance verification. We adhere to industry standards and certifications to guarantee product reliability.

We offer a standard warranty on our products. Specific warranty terms and conditions may vary depending on the motor model and purchase agreement. Please refer to our warranty documentation for detailed information.

Have other questions for us? Ask our experts directly!

Need help?
Talk to our experts

Your project is important to us and we cannot wait to hear about it.

Resources

Explore interesting facts about Mosrac Motor and stay updated with the latest news and upcoming events from the company.

Shenzhen Mosrac participate at the 2024 World Robot Conference

Mosrac welcomes the client from Sweden after the new factory opened

How To Select a Frameless Torque Motor For a Robot Joint?

The Frameless Motor: What it is, How it works, & Where to use it

Model	OD(mm)	ID(mm)	Height(mm)	Rated Torque(Nm)	Rated Power(W)	Rated Speed(rpm)
U19 Series	19	7	19.9~34.9	0.02~0.04	12.58~16.77	4000~8000
U25 Series	25	11.6	10.8~23.4	0.025~0.075	10.48~31.44	4000
U38 Series	38	18	15.3~34.3	0.1~0.35	31.4~110.0	3000
U50 Series	50	28	19.8~37.9	0.27~0.7	84.89~220.08	3000
U60 Series	60	33	17.7~35.8	0.45~0.96	141.48~301.82	3000
U68 Series	68	37	18.3~36.4	0.63~1.54	198.07~484.18	3000
U76 Series	76	42	18.6~36.7	0.89~2.06	279.82~647.66	3000
U85 Series	85	47	19.3~37.4	1.21~2.69	380.42~845.74	3000
U94 Series	94	51	19.7~37.8	1.58~3.67	496.75~576.92	1500~3000
U115 Series	115	65	26.3~44.4	3~6.1	943.2~958.92	1500~3000
U130 Series	130	84	25.9~60.9	5~18	419.2~754.56	400~800
U160 Series	160	106	25.9~60.9	9~32	471.6~670.72	200~500
U200 Series	200	140	25.9~60.9	13~50	408.72~524	100~300

Mode	OD(mm)	ID(mm)	Height(mm)	Rated Torque(Nm)	Rated Power(W)	Rated Speed(rpm)	Voltage(V)
FI-40 Series	40	6.5	48~65	0.25	7.9	300	220
FI-60 Series	60	15	60~80	0.5	15.7	300	220
FE-80 Series	80	15	47~67	1	21	200	220
FI-80 Series	80	12	50	0.9	28.3	300	220
FE-112 Series	112	19	65~95	3	62.9	200	220
FI-120 Series	120	42	64	2.4	37.7	150	220
FE-140 Series	140	30	50~80	6	188.6	300	220
FI-140 Series	140	28	85~188	10.5	220.1	200	220
FE-170 Series	170	42	50~155	4.5	117.9	250	220
FI-170 Series	170	50	50~100	5.4	141.5	250	220
FI-180 Series	180	50	55~125	14	220.1	150	220
FI-220 Series	220	30	123~208	50.6	530.3	100	220
FE-224 Series	224	50	42~62	14.1	295.5	200	220
FI-224 Series	224	50	42	9.9	155.6	150	220
FE-263 Series	263	88	113~188	95	796.5	80	220
FI-280 Series	280	60	95~145	45	565.9	120	220
FI-300 Series	300	150	75	35	330.1	90	220
FI-375 Series	375	88	150~200	200	1257.6	60	220

Series	Types	RotorID	StatorOD	Stator installation pitch circle	Stator shieldOD	Overall thickness
10	Standard Compact	8/10 8/10	36 27	25 23	20	7
15	Standard Compact	12/13/15 12/13/15	40 32	30 28	25	7
20	Standard Standard Compact	6/8/10 15/18/20 18/20	45 45 37	36 36 33	30	7
25	Standard Compact	23/25	50 42	40 38	35	7
30	Standard Compact	28/30	55 47	45 43	40	7
35	Standard Compact	33/35	60 52	50 48	45	7
40	Standard Compact	38/40	65 57	55 53	50	7
45	Standard Compact	43/45	70 62	60 58	55	7
50	Standard Compact	48/50	75 67	65 63	60	7
55	Standard Compact	53/55	80 72	70 68	65	7

Series	Model	Inner rotorThread	Inner rotorMatch ID (H7)	Outer rotor Thread	Outer rotorMatch ID (H7)	StatorMatch ID (H7)
10-15-25	T-10-15-25	M10x0.4mm	9	M15x0.4mm	14	25
15-20-30	T-15-20-30	M15x0.4mm	14	M20x0.4mm	19	30
20-25-35	T-20-25-35	M20x0.4mm	19	M25x0.4mm	24	35
25-30-40	T-25-30-40	M25x0.4mm	24	M30x0.4mm	29	40
30-35-45	T-30-35-45	M30x0.4mm	29	M35x0.4mm	34	45

Precision engineered frameless & DDR motors manufacturer and supplier

Precision engineered frameless & DDR motors manufacturer and supplier

We are your best solution for

Multi-torque Motor Options

Dedicated expert support

End-to-end solution

Custom sizing

The Mosrac Promise

Extensive option library

Professional design services

Managed manufacturing

Sustainability

Hassle-free logistics

Meticulous proofing

Proactive cost optimization

One for all solution, for standard & custom frameless & housed DDR torque motors

Frameless motor

Housed DDR motor

Servo Joint Module

Magnetic Encoder

Looking for something else? We can help.

Products

Our customized torque motors solution for specific application

Robotics

Industrial Automation

Semiconductor

Consumer Electronics

Machine tools

Medical

Printing

Aerospace

Vehicles

360° Torque Motor Solutions By Mosrac

Consultation

Design

Prototype

Production

Logistics

Optimization

Torque Motor Audit

Torque motor strategy

Cost optimization

Supply chain optimization

Torque motor design

Motor Engineering

Sampling & Prototyping

Motor testing

Material optimization

Strategic sourcing

Multi-torque Motor Ordering

Multi-torque motor ordering

Quality control management

Route optimization

Cargo optimization

Just-in-time delivery

End-to-end delivery

Customer satisfaction

Project evaluation

Project optimization

Mosrac Complete Torque Motor Solution Guaranteed

Save cost & time

More reliability

More brand impact

Become sustainable

Your ultimate torque motor manufacturer

Global Supply Chain

Manufacturing Excellence

R&D Team Capabilities

Your Custom Motion Solution

Our Happy Customers From 70+ Countries

Most Frequently Asked Questions And Answers

Need help?Talk to our experts

Resources

Leave Your Message

Precision engineered frameless & DDR motors
manufacturer and supplier

Need help?
Talk to our experts