The outer ring of roller bearing adopts full cylindrical roller bearing with thicker outer ring wall. The outer diameter surface of roller has cylindrical and arc shape, which can be designed to match with the raceway surface according to the use occasion. With this kind of outer ring, the roller can roll directly on the raceway, and can bear heavier load and impact load.
The combined roller bearing consists of a main roller, a side roller, a shaft head and a cover plate