February 22, 2025

How much do you know about these basic knowledge about bearings?

Bearings are an important part of contemporary machinery. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy.

According to the friction properties of moving components, bearings can be divided into rolling bearings and sliding bearings. Among them, the rolling bearing has been standardized and serialized, but its radial size, vibration and noise are larger than the sliding bearing, and the price is also high.

The rolling bearing generally consists of four parts: outer ring, inner ring, rolling element and cage. Strictly speaking, it consists of six parts: outer ring, inner ring, rolling element, cage, seal and lubricating oil. Simply put, as long as the outer ring, the inner ring, and the rolling element are defined as rolling bearings. According to the shape of the rolling element, the rolling bearing is divided into two categories: ball bearing and roller bearing.

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Optical Accessories

CNC optical accessories are precision components used in the manufacture of high-quality optical products. These accessories are precisely manufactured using computer numerical control (CNC) machines to ensure accuracy and consistency.


Optical accessories produced using CNC machines include high-quality lenses, mirrors, prisms, and filters. These components are essential in optical devices, such as microscopes, telescopes, cameras, and laser systems.

CNC optical accessories are produced using a range of materials, including glass, quartz, and metal. The CNC machines can produce these accessories to exacting specifications, ensuring that each component is precisely crafted to meet the desired specifications.


One of the significant advantages of CNC optical accessories is their precise and consistent performance. The CNC machines used in their manufacture can produce components with extremely tight tolerances, resulting in optical accessories that offer superior quality and performance.


Another advantage of CNC optical accessories is their versatility. The CNC machines can produce components in a range of shapes, sizes, and designs, making them suitable for many different applications. They can also produce parts with intricate shapes and geometry, allowing for the creation of complex optical systems and devices.


CNC optical accessories are widely used in many industries, including aerospace, medical, and defense. They are also used in research institutions, universities, and laboratories around the world. These components are essential in the development of advanced optical technologies and devices, including laser systems, optical sensors, and imaging equipment.


In conclusion, CNC optical accessories are a crucial component in the manufacture of high-quality optical products. They offer high precision, consistency, and versatility, making them an essential tool for a variety of industries. With their ability to produce intricate shapes and geometry with high accuracy, CNC optical accessories offer a powerful solution for the creation of advanced optical systems and devices.

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