A ball bearing is a form of rolling-detail bearing that uses balls to hold the separation between the bearing races.
The cause of a ball bearing is to reduce rotational friction and aid radial and axial masses. It achieves this by using at the least two races to contain the balls and transmit the masses via the balls. In most applications, one race is stationary and the other is hooked up to the rotating meeting (e.g., a hub or shaft). As one of the bearing races rotates it causes the balls to rotate as well. Due to the fact the balls are rolling, they have got a far lower coefficient of friction than if two flat surfaces have been sliding in the opposition direction.

Ball bearings have a tendency to have lower load ability than other forms of roll bearings because of the smaller contact place between the balls and races. However, they could tolerate a few misalignments of the inner and outer races. A ball bearing is a sort of rolling-element bearing that uses balls to preserve the separation of the bearing races. The ball bearing is a rolling element that uses balls to avoid friction the bearing races’ purpose of a ball bearing is to reduce rotational friction and support radial and axial masses. It achieves this by using at the least races to contain the balls and transmit the hundreds through the balls. In most applications, one race is stationary and the alternative is hooked up to the rotating assembly (e.g., a hub or shaft). As one of the bearing races rotates it reasons the balls to rotate as properly. Due to the fact the balls are rolling, they have a miles lower coefficient of friction than if two flat surfaces have been sliding in opposition to each other.

Ball bearings generally tend to have decrease load capability for their size than other kinds of rolling-detail bearings due to the smaller touch place among the balls and races. But, they can tolerate some misalignment of the inner and outer races. There are many types of ball bearings angular contact Angular ball bearings the axil load passes in a straight line through the bearing, whereas the radial load takes an oblique path that tends to want to separate the races axially.so the contact of the inner race is same as that of the outer race.it supports the "combined loads”. Uses in turbines jet engines etc.

AXIL BALL BEARINGS
An axil ball bearings use parallel races the load is transmitted directly through the bearings while the radial load is weekly supported and tends to separate the races so that a larger loads is likely to damage the bearings.
Deep-groove In this type of bearings, the dimension of the races of the bearings is close to that of the balls which run in it. It can support the higher loads.
CONRAD BALL BEARINGS:- In these ball bearings, the inner rings are assembled in in eccentric position relative to the outer ring two ring contact at one point, which makes a large gap in the opposite point of contact from where the balls are inserted and then distributed around the bearing assembly which makes the ring concentric(Conrad)
SLOT FILL:- In slot fill ball bearings both the races of the bearings are notched at one face, when the notches are aligned to slip the balls and then assembled the ball through the slot.
RELIEVED RACE
In this type of bearings, one side of the inner race is smaller while the one side of the outer race is larger which allows more balls to assembled then the other usual bearings which result in breathe extra load capacity.
FRACTURED RACE
In these types of the bearing, the inner ring of the bearings are sliced or fractured to assembled greater number of balls, after the assembling of the balls the fractured portion is reassembled a steel band is align in the fractured race either outer and the inner race to hold sections together.
ROWS
There are two types of rows in ball bearings one-row ball bearings and the two-row ball bearings.
However with the help of the modern technology, there are many hybrid ball bearings are available like ceramic ball bearings these types of bearings are used in centrifugal loading and skidding so these types of bearings operate