Small ball bearings include Stainless Steel Inch Bearings and Chrome Steel Inch Bearings. It’s a rolling bearing, the ball Installs in the middle of inner ring and outer ring. It can bear larger load, also known as ball bearings. The ball bearing is mainly composed of four basic components: the ball, the inner ring, outer ring and is also called cage or retainer. QuanJiao BoYang bearing Co., Ltds located in AnHui province, China. Our factory is especially in all kinds of ball bearing with the radius from 3mm to 120mm and certificated by ISO:9001:2008. Customized solution email to us ly@boyang-bearing.com