Cam link combination bearing is the new product that designed by our company according to the work condition of sewing equipment. The old structure consists of cam, connecting rod, needles (needle roller) and battles. The new structures makes cam and connecting rod into inner ring and outer ring, needle roller will also be pressed into rolling element, these improved designs make the combination into a Deep groove ball bearing. The battles was omitted and remains the installation dimensions. New production is suitable in high speed filed, enormously reduced noise and energy consumption.