What's special about orbital roller bearings?

Apr 16, 2024

As a key component in the rail transit system, orbital roller bearings have a series of unique characteristics and advantages, which make them irreplaceable in the field of rail transit. Here's a closer look at what makes orbital roller bearings special:

1. Excellent load-bearing capacity and stability

Orbital roller bearings are known for their excellent load-carrying capacity and stability. Its structural design fully takes into account the working characteristics of the rail transit system, enabling the bearing to work stably under high load, high speed, and high-frequency working conditions. This excellent load-bearing capacity and stability ensure the safe and stable rotation of the rail transit system and reduce accidents caused by bearing failure.

2. Rolling friction replaces sliding friction

The core of orbital roller bearings is to replace sliding friction with rolling friction, thus significantly reducing friction loss and energy consumption. Rolling friction has a smaller friction coefficient than sliding friction, which can not only reduce energy costs and improve the system's operating efficiency but also reduce the bearing's wear rate and extend its service life.

3. Precision manufacturing process and material selection

The manufacturing process of orbital roller bearings requires extremely high precision and quality control. By using advanced processing equipment and technology, as well as high-quality bearing materials, we can ensure that the bearings' dimensional accuracy, surface quality, and mechanical properties are optimal. This precision manufacturing process and high-quality material selection give orbital roller bearings greater reliability and durability.

The picture above is a double-row tapered roller bearing manufactured by FV for railways.

4. Good sealing and lubrication performance

In order to ensure that the bearings can operate stably in complex and changeable working environments, orbital roller bearings usually have excellent sealing and lubrication properties. The sealing design can effectively prevent external impurities and moisture from entering the inside of the bearing and avoid corrosion and damage to the bearing. The lubrication system can ensure that the bearings always maintain sufficient lubrication during operation, reduce friction and wear, and increase the service life of the bearings.

5. Easy to maintain and replace

Orbital roller bearings are usually designed for ease of maintenance and replacement. The structural design of the bearing makes it easy and quick to operate when it needs to be repaired or replaced, reducing maintenance costs and downtime. This feature makes orbital roller bearings more practical and economical in rail transit systems.

6. Strong adaptability

Orbital roller bearings can adapt to a variety of different working environments and working conditions. Whether it is high temperature, low temperature, humid or dry environment, bearings can maintain good working performance. At the same time, it can also withstand forces and moments in different directions, ensuring the stable operation of the rail transit system under various complex road conditions.

7. Application of innovative technologies

With the fast development of science and technology, more and more innovative technologies are used in the design and manufacturing of orbital roller bearings. For example, advanced simulation analysis technology is used to predict and optimize the mechanical properties and service life of bearings; new materials and coating technologies are used to improve the wear resistance and corrosion resistance of bearings; and smart sensors and Internet of Things technology are used to monitor bearings. Real-time monitoring and fault diagnosis, etc. The application of these innovative technologies has further improved the performance of orbital roller bearings and provided strong support for the development of rail transit systems.

8. High safety and reliability

The safety and reliability of orbital roller bearings are an important reflection of their special features. During the design and manufacturing process, orbital roller bearings strictly comply with relevant safety standards and specifications to ensure that they can maintain stable operation under various extreme conditions. In addition, orbital roller bearings also have high fault warning and self-protection capabilities. Once a fault or abnormal situation occurs, they can respond quickly and take corresponding protective measures to avoid accidents.

To sum up, orbital roller bearings are known for their excellent load-bearing capacity and stability, rolling friction instead of sliding friction, precise manufacturing process, and material selection, good sealing and lubrication performance, easy maintenance and replacement, strong adaptability, and innovation. The application of technology and other characteristics play an irreplaceable role in the rail transit system. With the continuous development of rail transit, orbital roller bearings will continue to innovate and optimize to provide more reliable support for the safe and efficient operation of rail transit.