Ball bearings are one of the most important inventions of the industrial revolution, changing the entire manufacturing and related industries. Prior to the invention of ball bearings. Efforts made to move loads through machines using primitive methods of load carrying. These methods generated so much heat that it was difficult to cool the machine and replace damaged parts.
Ball bearing reduce machine damage by transferring the load. From the actual parts to small steel balls housed in two sleeves – an outer sleeve and an inner sleeve. These sleeves protect the balls from direct pressure. And the pressure is transfer from the balls in the outer sleeves to the inner sleeves.
Depending on their intended use, different types of ball bearings are use in today’s industry. Namely roller bearings, and thrust bearings. Both types have been refine to absorb angular loads and have become tapered roller bearings and tapered thrust bearings. Visit also: Buy Miniature Ball Bearings
Thrust bearings are use to absorb high axial loads and are mainly used in vehicle transmissions and gears.
Bearings are based on a simple principle: rolling is easier than sliding because both contact surfaces have a smaller contact area. This reduces friction, unlike sliding, where the contact area is larger and therefore creates more friction.
The material of ball bearing is usually hard steel. This hardened steel is very strong and can withstand high pressures. However, the disadvantage of steel is that it wears out due to the high heat generated. And can break when exposed to high temperatures.
An alternative to steel is ceramic balls, which are known to be stronger than steel. And can withstand more heat than steel ball bearings. They do not wear out and are therefore use more frequently in applications that generate more heat.
Today, ball bearings are an indispensable part of any machine. But factors such as the heat and pressure generated must be taken into account when selecting the right ball bearing. In addition, each manufacturer has its own version of ball bearing, so do your research before ordering.
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