Machines are so important in the current times. They make an elemental part of our world and determine the kind of life we live to a huge extent. The advent of machines led to the first age of industrialization. Over some time, massive changes have been brought in the designs of these machines and the spare parts that are used to make them. The bearings Talking of parts used to make different kinds of machines, bearings have a special role in this context. These are parts that are used to facilitate different surfaces which are nearby or in contact with each other and need to rotate constantly so that they can make the machine operate. A bearing plays a very significant role in the functional excellence of a machine. Universal Presence The designs and the functional contribution of these bearings are such that they can be found in the designs of a large number of contemporary machines. The usage or application of bearings has been in practice for a long time. Different machines require