Undercarriage parts excavator EX60-3 Track roller bottom roller lower roller The function of the roller is to transfer the weight of the locomotive group to the ground and roll it on the track. To prevent derailment, the roller should also be able to prevent the track from moving laterally relative to it. Rollers often work in mud and sand, and withstand strong impacts, the working conditions are extremely harsh, and the rim is easy to wear. The requirements for the roller are: the rim is wear-resistant, the bearing seal is reliable, and the rolling resistance is small. Our products are according to the standard of OEM to manufacture.

EX70 Excavator Bottom roller Track Roller Undercarriage Parts For Hitachi The function of the roller is to transfer the weight of the locomotive group to the ground and roll it on the track. To prevent derailment, the roller should also be able to prevent the track from moving laterally relative to it. Rollers often work in mud and sand, and withstand strong impacts, the working conditions are extremely harsh, and the rim is easy to wear. The requirements for the roller are: the rim is wear-resistant, the bearing seal is reliable, and the rolling resistance is small. Our products are according to the standard of OEM to manufacture.

R130 Excavator Undercarriage Parts Track Roller Bottom Top Rollers Bulldozer rollers can be divided into rigid connection rollers and elastic suspension rollers. The structure and characteristics of unilateral rollers and bilateral rollers and the arrangement sequence in the bulldozer chassis are introduced. The rigid connection roller has the characteristics of simple connection method, and is suitable for small and medium power bulldozers. The elastic suspension rollers are divided into K-type suspension and X-type suspension. The two elastic suspension rollers can give full play to the role of all the rollers, improve the traction adhesion performance of the bulldozer and the riding comfort of the driver. The ability of the K-type suspension to adapt to uneven ground is better than that of the X-type suspension. Our products are according to the standard of OEM to manufacture.