Excavator Top Roller is forged by alloy steel, which makes the internal material fiber flow of the roller body distribute in the most reasonable direction. It adopts bimetal bushing and perfect interior design to reduce friction and increase lubrication.
Track roller (Bottom Roller, Lower roller) is one of the four-wheel for engineering machinery chassis. Its main role is to support the weight of excavators and bulldozers.
Crawler Crane Lower Roller is not only used to support the weight of the crawler crane, but also can roll on the track (rail link) or the surface of the crawler shoe.