Amazing thing about engineering is that synchronization of each item so apt that the machines perform to the desired level. Be it small part to big one each one has its own purpose and specialty. In this article, we are discussing about bearings which comes in various specification, type and variety & plays very important role in smooth functioning of machines.

Its structure, application, designs and usage:

Spherical plain bearing | Image Resource : indiamart.com
 

This type known as Spherical plain bearing is meant to accommodate rod or shafts with different amount of misalignment. They are basically designed to cater for very high radial loads and provide high level of performance even under extreme condition also in those applications having stressful condition with presence of marginal lubrication.

Thus to accomplish better performance requires lubrication free condition. As name defines itself, it consists of plain bearing materials and with ball bushes placed internal lined position. It is a type of bearing which is most common in all types of ball bearing.
 
Pillow Block Bearing

Whereas a pillow block is a pedestal used to provide support for a rotating shaft with the help of compatible bearings and various accessories. Housing material for a pillow block is basically made of cast iron or cast steel. They are available with various bearing feature and also in material variation in terms of mounting configurations. In this category type, each mounted unit, including a mounted bearing acts as a system to position. These kinds of bearings are a in demand due to its reliable operation.

The bearings known as Pillow block are popular because of its highly calculated and balanced engineering design. It is designed to deliver high performance as well as durability In order to accommodate combined loads acting simultaneously as radial and axis load, an angular contact ball bearings is used.

Spherical bearings are multi-rotational type and are suitable for the machinery to function in conditions involving high movement with minimum presence of lubrication.

The spherical plain bearing category of bearing permits an angular type of rotation on the central point in two right angled directions. These bearing support a rotating shaft inside the core of the inner ring that must not only move rotationally but is also mandatory to maintain a particular required angle for smooth operation.

Typically, it is a metal ball and lines which are made up of steel, iron or even bronze metals. In addition, there are also variety of non-metallic balls made up of nylons, plastic or polytetrafluoroethylene (PTFE) which makes it supreme as per in term of performance. In most of the heavy duty industries the application is meant for condition involving loading and misalignment between the shaft and hosing.