High Quality Carrier Roller Top Roller Upper Roller for Doosan/Daewoo/Hitachi Excavator Undercarriage Spare Parts

Specifications

Undercarriage Spare Parts-Top Roller  

Features:

• Material: high quality alloy steel,Mn steel
• Surface Hardness:HRC50-56,deepth:4mm-10mm 
• State-of-the-art heat treatment Technology Free from oil-leakage
• Life time seal and lubrication Long service life
• Maximum durability with wear resistance

2. Advantages / Features:

• The heat treatment automation line adopts advanced whole quenching techniques to manufacture the roller and it can meet the technical requirement of the roller. 
• The controlling and inspecting to the production line are all fulfilled by computer system with advanced control mode and inspection method.
• The flexible roller assembling line introduces multiple working stations. 
• The rollers are automatically washed before assembling by the washer to guarantee the cleanness and sealing performance of the production.