Carrier rollers (also called top rollers or upper rollres),are part of undercarriage parts for crawler excavators,bulldozers,cranes,anddrilling machines.Berch carrier rollers are engineered out of forged alloy steel that undergoes a heat treatment to allow for durability in terms of wear and impact. these rollers are manufactured using cutting edge technology and induction heat treatment to ensure the proper hardness levels.The top rollers cover a range of the most popular models with the expertise of OEM knowledge,and are engineered to enable a direct interchange for original equipment.
All Berch rollers are covered under a one year warranty,and are applicable for use in Komatsu,Hitachi,kobelco,daewoo,Hyundai,Volo,and Jcb vehicles.We also offer OEM services according to customer drawings and services.
Excavator carrier rollers are made of the roller body,shaft,collar,bi-metallic bearings and the seal group.It is made through forging,machining,heat treatment,assembly,and painting.
The quality and working life depend on the quality of the raw steel, the hardness of the rail surface, the depth of the hardness layer, and the quality of the seal group.
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