Medical Bearings

Medical Bearings

Medical equipment is the basic condition for continuously improving the level of medical science and technology, and it is also an important symbol of modernization. The development of medical treatment depends to a large extent on the development of instruments. Medical devices can generally be divided into two categories: therapeutic devices (scalpels, medical catheters, pacemakers, etc.) and diagnostic devices (X-ray CT equipment, ultrasonic diagnostic equipment, MRI, etc.). With the continuous advancement of diagnostic medical system technology, high requirements such as high speed, high precision, high rigidity, low vibration, low noise and maintenance-free are put forward for medical bearings.

AUB uses core technologies such as material technology, lubrication technology, and precision technology to meet market demand and has made great contributions to the improvement of medical device performance. Our bearing applications include CT, SPECT, PET, MRI, angiography, mammography, ultrasound, moving C-arm and standard X-ray applications.


Thanks to our large warehouse your order can be processed and shipped the same day you place your order. Therefore, you benefit from AUB’s fast order processing.

Acceptable Price

We have our own factory with an area of 8,000 square meters, with a monthly production capacity of 3.2 million bearings, and cooperate with than 200 other factories to pursue the ultimate cost performance of bearings. No matter what kind of quotation you get from other companies, you can get a acceptable price from us.


Continuous quality control of our Roller Bearings, Tapered Bearings, Thrust Bearings, Thin Section Bearings guarantees you a high level of safety.
Your satisfaction with our bearings and ordering process is important to us.

Technical advice, maintenance solutions and inventory management

Medical devices and applications play a vital role in the health and safety of people around the world. New medical devices are designed to provide faster, safer care for patients. State-of-the-art equipment and tools require high-quality components to serve those in need of medical care. Specialty healthcare bearings keep medical equipment running effectively and efficiently for healthcare professionals and their patients. AUB cooperates with different manufacturers to supply various bearings to medical companies.

To reduce development time, rolling and plain bearings need to be measured and designed from the outset. Medical technology application experts from our global operations engineering team will assist you in all stages of product development and work with you to develop new concepts and creative application solutions. Different medical applications have specific needs. AUB offers a variety of bearing supply options for corporate healthcare equipment and other machinery. Our bearing supply options include:

Operates with a high level of rotational precision
Can accept inner or outer ring rotation
Accepts loads from multiple directions

Needle bearing

high carrying capacity
Available in full and cage versions

Available in a variety of sizes to meet applications with small radial cross-sections
Options include cam follower, roller follower and conventional needle designs
Available in chrome steel and stainless steel

Plastic Bearing

Applications can be handled without the use of grease or oil
Chemical resistance

Radial Ball Bearing

Works well in contaminated environments
Requires little service or maintenance
Various lubrication methods are available
able to run at high speed
Materials available, including stainless steel

Slewing ring

Ideal for large load requirements
Various design options available
Wire raceway bearings are ideal for lightweighting needs

Compact design for tight space constraints
Available in various cross-sections and sizes
high stiffness
short development time

Thrust ball bearing

Axial load capacity
Not suitable for radial load applications
Available in unidirectional or bidirectional versions

Easy maintenance and assembly solution

Often we supply complete assemblies that simply screw on and are ready to use. After fine-tuning, these bearings fit perfectly into each other and into adjacent components. Bearings commonly used in medical devices include S694ZZ, S623ZZ, S682ZZ, S684ZZ, SMR106ZZ, 6900-2RS, 6200-SRS, ultra-high precision thin section bearings, four-point contact radial bearings, twin-row angular contact bearings, etc., by 440C Materials, mixed ceramic materials or coating materials, mainly used in medical respirators, minimally invasive medical equipment, ultra-pure water equipment, medical imaging equipment, physiotherapy analysis, etc. Considering the medical environment of the hospital, non-polluting grease or oil-free drying process is generally used to keep the equipment clean and ensure safety and reliability. Our easy-to-maintain and assemble solutions are suitable for a variety of applications:

Micro Blood Pump

Bearings used in medical technology are tiny lifesavers during heart surgery. They are an important part of a miniature blood pump, and they are less taxing on the patient than a heart-lung machine. Reducing body stress during medical procedures is important to improving surgical techniques: this application is just one of the ways our bearings can help make this happen.

Micro Blood Pump

CT scanner

AUB has been a technology leader in CT scanner bearings since 2008. Highly customized four point contact radial bearings and double row angular contact bearings are designed and manufactured to unique customer requirements emphasizing precise control of running torque and low noise levels.

AUB engineers apply their expertise in the development, design and manufacture of precision bearings to continuously improve our customers’ systems. In response to the increased speed of gantry systems, AUB has developed high-speed bearings that reduce heat build-up and provide low noise levels. AUB engineers set the proper preload and customize specific bearing designs, using the most suitable materials to achieve superior performance. AUB also provides custom precision bearings for a variety of other industry sectors, including industry-leading medical diagnostic equipment, baggage security scanners, robotic surgery equipment, tumor treatment machines.

CT scanner

Prosthetics and Exoskeletons

After major surgery, it is not always easy for patients to return to normal daily life. To make them as comfortable as possible, high-quality medical products are an integral part of recovery. AUB ball bearings for medical technology are used in prosthetics and exoskeletons to help patients move comfortably again.

Prosthetics and Exoskeletons Bearings


The ventilator keeps the patient alive whenever intrinsic lung function declines. In this regard, our ball bearings make a huge contribution. Our small lifesavers are convincing not only because they run extremely quietly, but also because they are particularly durable and reliable and meet specific expectations, such as the low emissions of the materials used. Especially during the pandemic, our bearings have played an important role in the normal operation of ventilators, thus saving many lives.


Ventilator Bearing

Trusted Medical Bearing Supplier

As far as the development of medical technology is concerned, we are a trusted bearing supplier, providing customers with suitable system solutions. What this means for you is that you can purchase bearings and accessories from a single source, thereby financially benefiting from new performance and design solutions.

We specialize in designing ball bearings to high standards in medicine, including miniature bearings, thin section bearings and . When precision, durability and corrosion resistance are required; our bearings stand in the front row. The extreme conditions to which all medical technology is subjected, such as aggressive cleaning agents or autoclaving, present a high challenge. AUB’s ball bearing solutions are designed to withstand these conditions and stand out with exemplary innovation, quality and reliability.