Introduction to rolling bearing

Nov 05, 2023

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Introduction to rolling bearing

A rolling bearing is a precision mechanical component that converts sliding friction between a running shaft and its seat into rolling friction, thereby reducing friction loss. It is widely used in various equipment and mechanical systems. It has the characteristics of smooth operation and strong load-bearing capacity, so it plays an important role in the industrial field. The products generally consist of four parts: inner ring, outer ring, rolling elements and cage. The function of the inner ring is to cooperate with the shaft and rotate together with the shaft; the function of the outer ring is to cooperate with the bearing seat and play a supporting role; the rolling element is Because the cage evenly distributes the rolling elements between the inner ring and the outer ring, its shape, size and number directly affect the performance and life of the product; the cage can evenly distribute the rolling elements and guide the rolling elements to rotate for lubrication.

 

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The function of rollers

 

It supports the rotating shaft and the parts on the shaft, and maintains the normal working position and rotation accuracy of the shaft. The rolling bearing is easy to use and maintain, works reliably, has good starting performance, and has a high load-bearing capacity at medium speeds.

Structure of rolling bearings

 

The structure of products of parts

1. Outer ring - installed in the bearing seat hole, generally does not rotate

2. Inner ring - mounted on the journal and rotates with the shaft

3. Rolling elements - the core components of rolling bearings

4. Cage - evenly space the rolling elements to avoid friction

Product features of rollers

 

1. High load-bearing capacity: The roller transmits force through rolling and has a higher load-bearing capacity than sliding friction.

2. Smooth operation: The inside of the roller uses rolling elements such as balls or rollers, which makes the friction less during the operation of the roller, thus ensuring a smooth operation.

3. Long life: Because the friction of the roller is small and the degree of wear is low, it has a long life and can be used continuously under difficult working conditions.

4. Easy installation: Rollers usually have standardized sizes and are easy to install and replace, improving production efficiency.

Roller production and processing technology

 

1. Material selection: Rollers are usually made of high-quality alloy steel or stainless steel to ensure their strength and durability.

2. Cutting processing: First, the raw materials are cut into workpieces of appropriate size through mechanical cutting equipment.

3. Forming processing: CNC lathes, milling machines and other equipment are used to perform precise radial and axial processing on the rollers to form the required geometric shapes and sizes.

4. Heat treatment: The roller is heat treated, such as quenching and tempering, to increase its hardness and strength and improve its wear resistance.

5. Surface treatment: Make the surface of the roller smooth through grinding, polishing and other processes, and remove possible burrs and uneven parts.

6. Installation of rolling elements: According to the design requirements of the roller, install rolling elements such as balls and rollers inside the roller.

7. Assembly and testing: Assemble other accessories such as covers, sealing rings, etc. onto the rollers, and conduct necessary performance tests and quality inspections.

Applicable industries and applicable scenarios of rollers

 

1. Machinery manufacturing industry: Rollers are widely used in machine tools, lifting equipment, conveying machinery and other mechanical equipment.

2. Automotive industry: Rollers are used in key components such as automobile engines, steering systems, transmissions, and suspension systems.

3. Aerospace field: Rollers play an important role in aerospace components such as aircraft engines, landing gear, and hydraulic systems.

4. Railway transportation: Rollers are used in components such as wheel sets, guide rails and transmission systems of railway vehicles.

5. Petroleum and chemical industry: Rollers have important applications in oil drilling equipment, petrochemical equipment and pipeline transportation systems.

6. Food processing and packaging: Rollers play a role in conveyor belts and roller conveyors on food processing production lines.

7. Mining and construction: Rollers play important tasks in mining hoisting equipment, crushers, concrete mixers and other equipment.

8. Medical equipment: Rollers are widely used in delivery systems, scanners, and operating tables in medical equipment.

As an important mechanical component, rollers play an important role in various industries. Through the selection of high-quality materials and fine production and processing technology, the rollers have the advantages of high load-bearing capacity, smooth operation and long life. If you are interested in roller products, you can send an email for consultation, or send your drawings directly to Lydia@welongchina.com. We will provide you with suggestions and quotations as soon as possible.

If you have any questions, please feel free to contact us at any time. Together we help our customers have the best parts experience possible.

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