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Analyze the different types of bearings and their uses

Classification:Industry Information
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Release time:2020-01-08
Visits:20

Analyze the different types of bearings and their uses

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Analyze the different types of bearings and their uses

[Summary]Rolling bearings are classified into radial bearings and thrust bearings according to the load direction they bear or the nominal contact angle. Radial contact bearings are radial bearings with a nominal contact angle of 0, and radial contact bearings are radial bearings with a nominal contact angle greater than 0 to 45. Bearings are an important part of modern machinery and equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. Bearing models generally consist of pre-code, basic code and post-code.

Classification:Industry Information
Author:
Source:
Release time:2020-01-08
Visits:20

Information

Plain bearings have no inner or outer rings, and no rolling elements. They are usually made of wear-resistant materials. Usually used for low-speed, light-duty, lubricated and difficult-to-maintain mechanical rotating parts. The sliding contact surface of the joint bearing is spherical, which is mainly suitable for swing motion, tilt motion and rotation motion.

Rolling bearings are classified into radial bearings and thrust bearings according to the load direction they bear or the nominal contact angle. Radial contact bearings are radial bearings with a nominal contact angle of 0, and radial contact bearings are radial bearings with a nominal contact angle greater than 0 to 45. Bearings are an important part of modern machinery and equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. Bearing models generally consist of pre-code, basic code and post-code.

In general, the bearing model is only indicated by the basic model. The basic model generally contains three parts, type code, size code and inner diameter code. The basic code is used to indicate the inner diameter, diameter series, width series and type of the bearing. The post code is to use letters and numbers to indicate the structure, tolerances and special requirements of materials. The front code is used to indicate the sub-components of the bearing, which is indicated by letters.

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Roller bearing is a kind of rolling bearing, and it is one of the parts widely used in modern machinery. It relies on the rolling contact between the main components to support the rotating parts. Roller bearings are now mostly standardized. Roller bearings have the advantages of small starting torque, high rotation accuracy, and convenient selection.

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Bearing Knowledge" What is an axle box device? How to maintain it?

The axle box temperature is related to many factors, such as the load on the FAG bearing, operating speed, line status, air temperature, wind speed, continuous running time, quantity and status of lubricating grease, etc., all have a significant impact on the axle temperature. Two to three hours after the start of the vehicle, the bearing temperature tends to stabilize, and the heat generated by the friction of the bearing and the heat radiated from the outer surface of the axle box are close to balance. In the cold northern areas, the surface of the axle box dissipates heat quickly. The temperature difference between the top of the axle box and the inside of the bearing is as much as 30 to 40 degrees, while in the southern hot season, the temperature difference between the top of the axle box and the inside of the bearing is only about 100 degrees. Usually in summer, the temperature of the axle box on the side of the sun is much higher than the side of the back sun.

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