2024/09/30

Understanding Axial and Radial Bearing: Functions, Applications, and Key Selection Points

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Table of content

The Working Principles of Axial and Radial Bearings

Selection Criteria for Radial Axial Bearings

Radial axial bearings play an important role in mechanical engineering, serving as indispensable components in many mechanical devices.

This article will delve into the functions, applications, and selection criteria of radial axial bearings, helping you better understand and utilize this critical component.

1. The Working Principles of Axial and Radial Bearings

Radial axial bearings are crucial components used to support and position rotating mechanical parts. They can withstand axial and radial loads from two directions, allowing mechanical components to operate smoothly and endure external forces. This load-bearing capacity makes radial axial bearings widely used in various applications, including automotive, aerospace, and industrial machinery.

(1) The Working Principle of Axial Bearings

Axial bearings are designed to withstand axial forces, which are forces applied along the axis direction. When loads are applied along the axis of the bearing, it can efficiently provide support and reduce friction, thereby achieving smooth operation.

(2) The Working Principle of Radial Bearings

Radial bearings are widely used rolling bearings designed primarily to withstand radial loads perpendicular to the axis direction. When loads are applied perpendicular to the axis of the bearing, radial bearings can provide stable support and reduce friction, thereby enabling smooth rotation.

Features	Radial Axial Bearings	Radial Bearings	Axial Bearings
Direction of Load Bearing	Radial and Axial	Radial	Axial
Main Application	Applications simultaneously bearing radial and axial loads, such as machine tool spindles	Applications primarily bearing radial loads, such as wheels and motors	Applications primarily bearing axial loads, such as screw mechanisms
Load Capacity	Usually has higher load capacity	Usually has moderate load capacity	Usually has higher load capacity
Installation	Requires specific installation methods and positioning	Relatively easy to install	Relatively easy to install
Application Range	Relatively specialized applications in mechanical engineering	Common applications in mechanical engineering	Relatively specialized applications in mechanical engineering

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2. Selection Criteria for Radial Axial Bearings

Choosing the appropriate radial axial bearings is crucial for the performance and reliability of mechanical systems.

▼Here are some selection criteria:

Load Type and Magnitude: Consider the type of loads (radial, axial, or radial axial combined) and the magnitude of the loads in the application.
Speed Requirements: Consider the speed requirements in the application to ensure that the selected bearings can meet the corresponding speed requirements. Some applications may require bearings capable of high-speed operation.
Environmental Conditions: Take into account the environmental conditions of the application, such as temperature, lubrication method, etc.
Installation and Maintenance: Consider the installation and maintenance requirements of the bearings. Some bearings may require specific installation methods and positioning, as well as regular maintenance and inspection.

Radial axial bearings, as key components in mechanical engineering, possess significant functionalities and find wide-ranging applications. By appropriately selecting and applying radial axial bearings, the performance and reliability of mechanical systems can be enhanced, while maintenance costs are reduced. It is hoped that this article can assist you in better understanding and applying radial axial bearings, thereby achieving optimization and improvement of mechanical equipment.

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It is commonly referred to as "bearing" in English, while in Taiwan, it is usually called "軸承". The fundamental principle of a bearing involves the placement of rolling elements, such as balls, needles, or rollers, between the inner and outer rings to facilitate smooth rotation of the shaft.

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Types of Bearings

Generally speaking, a reducer bearing is a device used for rotary or linear rotation, while friction and handling motion occurs. In effect, the bearing surface device is capable of rolling, which causes friction between the bearing surface wheel rolls. When this restraining force is also reduced, it is very easy to move in a rotational or linear fashion - increasing speed and efficiency.

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