In a deep-groove radial bearing, the race dimensions are close to the dimensions of the balls that run in it. Deep-groove bearings have higher load ratings for their size than shallow-groove, but are also less tolerant of misalignment of the inner and outer races. A misaligned shallow-groove bearing may support a larger load than the same sized deep-groove bearing with similar misalignment.
The wheels in a skateboard contain two bearings in each of the four wheels.
Yo-Yo's, there are Ball bearings in the center of high quality Yo-Yo's.
Agricultural Equipment. The many moving parts in a piece of farm machinery
depend on several different types of bearings to operate. Under the heavy
loads and dusty conditions, these bearings need to be lubricated, repaired, or replaced often.




