The Deep groove ball bearings is the most common type of rolling bearings. Our product's material is Gcr15 and stainless steel. The basic type of deep groove ball bearing comprises an outer ring,a ring,a steel ball and a group of cage.It has good quality and cheap price. It is very hot sale in the market.Also it has widely use: used in general motors, motor, electronic accessories, carts, ice skating shoes and so on related areas.