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The historical development of bearings

The historical development of bearings

2023-09-12

The early form of linear motion bearings was to place a row of wooden poles under a row of skid plates. Modern linear motion bearings use the same working principle, but sometimes use balls instead of rollers. The simplest rotary bearing is a bushing bearing, which is just a bush sandwiched between the wheel and the axle. This design was subsequently replaced by rolling bearings, which replaced the original bushings with many cylindrical rollers. Each rolling element was like a separate wheel.

Whether the bearing is installed correctly affects the accuracy, life and performance.

Whether the bearing is installed correctly affects the accuracy, life and performance.

2023-09-12

Whether the bearing is installed correctly affects the accuracy, life and performance.Therefore, the design and assembly department must fully study the bearing installation. Hope to install in accordance with operating standards. The operating standard items are usually as follows:

How to ensure the reliable operation of the bearing

How to ensure the reliable operation of the bearing

2023-09-12

The bearing clearance should be appropriate. If it is too large, it will cause impact, if it is too small, it will be poorly lubricated and may burn bushes;

The sealing of the bearing can be divided into two types: self-sealing and external sealing.

The sealing of the bearing can be divided into two types: self-sealing and external sealing.

2023-09-12

The sealing of the bearing can be divided into two types: self-sealing and external sealing. The so-called bearing with its own seal is to make the bearing itself into a device with sealing performance. Such as bearings with dust caps, sealing rings, etc. This kind of seal occupies a small space, is convenient to install and disassemble, and the cost is relatively low.

How to choose the type of bearing?

How to choose the type of bearing?

2023-09-12

There are also relevant introductions on how to choose the brand and type of bearings, but some common sense about bearings that are more biased, or are often ignored or ignored, often play a very important role in the use of bearings. Learn about it.

How deep groove ball bearings work

How deep groove ball bearings work

2023-09-12

Deep groove ball bearings mainly bear radial load, and can also bear radial load and axial load at the same time. When it is only subjected to radial load, the contact angle is zero. When the deep groove ball bearing has a large radial clearance, it has the performance of an angular contact bearing and can bear a large axial load. The friction coefficient of the deep groove ball bearing is very small, and the limit speed is also high. Bearing characteristics Deep groove ball bearings are the most commonly used rolling bearings. It has a simple structure and is easy to use. It is mainly used to bear radial load, but when the radial clearance of the bearing is increased, it has a certain performance of angular contact ball bearing and can bear combined radial and axial loads. It can also be used to bear pure axial load when the rotational speed is high and the thrust ball bearing is not suitable. Compared with other types of bearings with the same size and size as deep groove ball bearings, this type of bearing has a small friction coefficient and a high limit speed. However, it is not resistant to impact and is not suitable for bearing heavy loads. After the deep groove ball bearing is mounted on the shaft, within the axial clearance range of the bearing, the axial displacement of the shaft or the housing can be limited in two directions, so it can be axially positioned in both directions. In addition, this type of bearing also has a certain self-aligning ability. When it is inclined 2' to 10' relative to the housing hole, it can still work normally, but it has a certain impact on the bearing life.

Performance Characteristics and Advantages of Deep Groove Ball Bearings

Performance Characteristics and Advantages of Deep Groove Ball Bearings

2023-09-12

Deep groove ball bearing is the most representative rolling bearing, which is widely used. It is suitable for operation at high speed or even extremely high speed, and it is very durable without regular maintenance. This type of bearing has small friction coefficient, high limit speed, simple structure, low manufacturing cost and high manufacturing accuracy. The size range and methods vary widely. It is widely used in fine instruments, low-noise motors, automobiles, motorcycles and ordinary machinery industries. It is the most common type of bearing in the machinery industry. It mainly accepts radial load, but also a certain amount of axial load.

Purpose and method of bearing lubrication

Purpose and method of bearing lubrication

2023-09-12

The lubrication purpose of rolling bearing is to reduce the internal friction and friction loss of bearing and prevent burning and sticking. Its lubrication effect is as follows.

The number of enterprises in the bearing industry has increased sharply, and the production scale has been expanding

The number of enterprises in the bearing industry has increased sharply, and the production scale has been expanding

2023-09-12

In recent years, the overall production scale of the domestic bearing industry has been expanding, and the number of bearing enterprises has increased dramatically. Of the nearly 2000 enterprises, nearly half belong to large enterprises.

What Are The Advantages Of Stainless Steel Bearings?

What Are The Advantages Of Stainless Steel Bearings?

2023-09-12

Compared with ordinary bearing steel, stainless steel bearings have stronger anti-rust and anti-corrosion properties, and can be used in the environment of -60°C~+300°C by selecting appropriate lubricants and dust covers.

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