Heavy EquipmentUndercarriage & Ground Engagement
Idler casting (front idler / carrier roller)
Track contact surface hardness and concentricity critical. Sealed and lubricated roller bearing interface machined to H7.
Specifications
Material
Cast Steel A148 Gr80-50 / Gr105-85; Alloy steel for wear
Material Class
Cast SteelAlloy Steel
Common Processes
Resin sand; heat treat
NDT & Inspection
MT; dimensional (OD concentricity, bore); hardness
Typical Specs & Notes
Track contact surface hardness and concentricity critical. Sealed and lubricated roller bearing interface machined to H7.
⚠ Caveats
Track contact surface hardness and concentricity critical.