U130 Series Frameless Direct Drive MotorOuter diameter ( OD ) : 130mm

Additional Info

Mosrac’s U-Series frameless stator-rotor kits, developed through integrated engineering, provide industry-leading torque density, unsurpassed precision, and excellent overload capacity in a highly compact space. Customizable options, including alternative voltage levels and tailored torque-speed characteristics, are available to meet specific needs.  

With development expertise, engineering support, and comprehensive documentation, the Mosrac R&D team ensures seamless implementation of solutions optimized for size, thermal performance, and other unique requirements.

Features:

• ▪︎ Frame size 130 mm OD

• ▪︎ Max speeds up to 3,000 rpm

• ▪︎ Pole-pairs number (2P): 20 or custom

• ▪︎ 48 VDC or 220 VAC Rated Voltage

• ▪︎ 17-30 Arms Rated Current

• ▪︎ Continuous torque range from 5.0 N-m to 18.0 N-m

• ▪︎ Peak torque ranges from 11.0 N-m to 40.0 N-m

• ▪︎ CE, RoHS, REACH Compliant

• ▪︎ Standard windings to match special speed and torque performance requirements

• ▪︎ Optional Hall sensors or encoders as rotor position feedback devices

• ▪︎ Frameless models use the load’s shaft, bearings, Hall sensors, and additional position feedback devices such as encoders.

Benefits:

One of the latest next-generation frameless motors is hollow-shaft U130 series stator-rotor kits, 

which offer market-leading torque density and maximum design freedom for structurally integrated drive engineering. 

Our frameless BLDC motor range is available in various sizes and rated torque.

• ▪︎ Frameless construction provides a high level of design flexibility

• ▪︎ Offers excellent torque density at a competitive price  

• ▪︎ Features hollow-shaft capability 

• ▪︎ Lightweight and compact design  

• ▪︎ Operates on low voltage, ranging from 12VDC to 48VDC or 220VAC

• ▪︎ High torque density and dynamic performance are achieved through an excellent copper fill factor  

• ▪︎ Reduced thermal losses due to concentrated coils  

• ▪︎ Drive system design is optimized for weight and installation space based on load profile analysis  

• ▪︎ Provides excellent dynamic control and precision   

• ▪︎ Ideal for a diverse range of applications

Applications:

• ▪︎ Machine tool

• ▪︎ Packaging

• ▪︎ Robotics

• ▪︎ Semiconductor

• ▪︎ Automotive

When to Use:

• ▪︎ Substantial cost savings

• ▪︎ Decreased mechanical complexity

• ▪︎ Enhanced flexibility in design

• ▪︎ Exceptional performance in a compact space

• ▪︎ Improved dynamic response

• ▪︎ Minimum motor size in each application

• ▪︎ Low cogging for smooth operation

• ▪︎ Low inertia allows for quicker acceleration