Deep groove ball bearings are the most common type of rolling
bearings. Their use is very widespread. The raceway grooves on both
the inner and outer rings have circular arcs of slightly larger
radius than that of the balls. In addition to radial loads, axial
loads can be imposed in either direction. Because of their low
torque, they are highly suitable for applications where high speeds
and low power loss are required.
In addition to open type bearings, these bearings often have steel
shields or rubber seals installed on one or both sides and are
prelubricated with grease. Also, snap rings are sometimes used on
the periphery. As to cages, pressed steel ones are the most common.
