Rotating Machines Of Ancient India: Indians Were Using Advanced technology To Build These Marvels
In modern days, to rotate two objects that correspond to each other, we use ball bearings. A ball bearing is a type of rolling element that uses balls to maintain the separation between the bearing races. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. It achieves this by using at least two races to contain the balls and transmit the loads through the balls. In most applications, one race is stationary and the other is attached to the rotating assembly (for example a hub or shaft). As one of the bearing races rotates, it causes the balls to rotate as well.