Understanding Mounted Bearings: Types And Selection

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Illustration of Industrial Machinery

Introduction

Mounted bearings play a crucial role in the seamless operation of various industrial machinery and systems. These components support and guide rotation, ensure accurate alignment, reduce friction, and promote the effective transmission of power between different parts of the machine. This article delves into the world of mounted bearings, exploring their various types, wide-ranging applications across different fields, and the selection criteria involved to help you make an informed decision about choosing the right mounted bearing.

Types of Mounted Bearings

In mounted bearings, the bearing is mounted in a housing to facilitate a variety of applications. Let’s explore the different types of mounted bearings and their design features.

Flange Mounted Bearings
Flange mounted bearings are versatile and are used to provide support for shafts that run perpendicular to the surface to which the bearing is mounted. They come in a variety of shapes including square, round, and oval.

The design can be divided into：

  • Two-bolt Flange Bearings: Compact design, capable of supporting medium loads.
  • Three-bolt Flange Bearings: The triangular flange shape offers a sturdier mount and better load distribution than two-bolt designs.
  • Four-bolt Flange Bearings: Offering maximum strength and support, the symmetrical design ensures excellent load stability.

Mounted Ball Bearings
There are also two different forms of using balls as rolling elements, including:

  • Pillow Block Bearings： It is the most common type of mounted ball bearing. The housing is made of cast iron or steel, providing strong support and high load-bearing capacity, and is easy to install and maintain.
  • Take-Up Unit Bearings: Designed specifically for conveyor belt system applications, allowing adjustments along the conveyor belt frame to maintain tension and alignment.

Mounted Linear Bearings
Commonly used in applications that require precise linear motion,

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