The ordinary roller conveyor is suitable for conveying all kinds of boxes, bags, and pallets. And some loose or irregular materials, small pieces may be placed inside. In contrast, the roller conveyor for the industrial application can convey some bulky goods and bear a large impact load. It is usually simple in structure that consists mainly of the roller, frame, bracket, driving part, and so on. It is easy to use and maintain, features high reliability, large conveying capacity, fast speed, and light operation.