- -4%
- Nicht auf Lager
Obere Tragrolle VOLVO EC70
Carrier roller upper without mounting brackets (cap), with internal guiding edges. External width between internal flanges or width of the inner flange of the roller: 46mm
Carrier rollers for mini excavators ITR are specially designed for the toughest applications and environments.
A full range of sizes and types is available for all popular brands and models. ITR rollers are forged products made from selected materials such as boron steel, high-strength castings, and top-quality components.
Deep heat treatment and precision machining ensure uniformity and consistency in production. Accurate assembly, lubrication for the entire service life, and quality control during and after production ensure the efficiency and reliability of the product.
The range of ITR track rollers and carrier rollers includes everything from mini excavators to mining machines, from KOMATSU® PC05 (machine operating weight 1.4 tons) to HITACHI® EX2500 (machine operating weight 248 tons).
ITR undercarriage components are developed, designed, and constructed by the engineering and research and development departments of USCO, using the latest CAD systems and in collaboration with partner universities. The ITR undercarriage product line is entirely managed in-house. Starting from the procurement of raw materials, through the design of components, mechanical processing of components, heat treatment, the entire assembly process, to final inspection. Numerous quality controls are conducted starting from the procurement of raw materials. The controls are based on knowledge and experience in metallurgical processes and materials engineering.Functions of upper carrier rollers: They support the track, between the sprocket and the track idler. The durability of the roller tread is matched to the durability of the track chain links. Carrier rollers have shells induction hardened for increased surface hardness, wear resistance, and fatigue strength while maintaining core properties. Values in the range of 50 – 58 HRC. Shafts and bearings are designed to reduce friction and wear and ensure maximum strength. Lubricated for the entire service life for minimal maintenance.
Bronze sliding bearing. The design provides a large surface area for better load distribution. The soft bronze coating in the bearing protects against any fine contaminants that may damage the shaft and seals. The Duo-Cone seal consists of two metal sealing rings and two rubber ones. The rubber rings provide appropriate pressure on both sides of the metal sealing rings. Resistant to permanent deformation and temperature changes from -40 °C to 110 °C. Duo-Cone seals are designed to withstand several lifetimes of the tread, depending on individual conditions.
The ITR undercarriage product line offers the most complete range available on the market, which includes standard applications for excavators and bulldozers along with a full range of undercarriage components for asphalt, drilling, and timber harvesting machines. Production flexibility and design experience also position the ITR undercarriage line well to deliver “custom” products for special applications. Tractors, crawler bulldozers, mini excavators, compact tracked loaders, forestry machines, hydraulic excavators, felling machines, pipe layers, combines, asphalt pavers, mobile crushers..
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