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Spannrad HITACHI CG65 C
Idler wheels the track. Width of the inner guiding flange 60mm complete with shaft.
Idler wheels ITR for mini excavators and compact loaders provide optimal track tensioning thanks to the use of the latest design and manufacturing technologies.
ITR Idler Wheel for HITACHI CG65 C
Our Idler wheels are made from selected high-quality steel alloys and are properly heat-treated to ensure exceptional field performance in extreme working conditions. We assemble them using state-of-the-art seals and bearing designs, meeting the strictest industry specifications. Our Idler wheels are assembled on production lines with an automatic oil filling process, ensuring their reliability and durability.
Available in various configurations, which include:
- Idler shell
- Idler with bushing and shaft
- Idler with brackets
- Idler with fork
- Idler with tensioner
Our Idler wheels are designed to meet all work requirements in tough conditions, ensuring reliability and long life.
Quality of ITR Idler Wheels
Our range includes a wide selection of idler wheels, from mini excavators to mining machines, ensuring high quality and performance. Starting from KUBOTA® K008 (with an operating weight of 0.9 tons) up to KOMATSU® D475 A5 (with an operating weight of 101 tons), we offer comprehensive solutions. Our engineering and R&D departments in Italy, South Korea, and China collaborate to combine know-how, technology, and development capabilities. Local engineering departments in each production facility have specialized knowledge about the components produced, and the headquarters Italian Engineering coordinates all activities.
Functionality of ITR Idler Wheels
The function of the idler wheel is to properly tension and guide the track chain, ensuring its correct winding. The idler wheel and tensioner work together to maintain a specific degree of track tension. Proper chain tension is a key factor affecting the undercarriage's durability. The optimal sag for conventional tracks is about 50mm (+-5mm). For example, a track in an 80-horsepower machine with a 12mm sag will have a tension of 2540 kg when measured in the track tensioner. Meanwhile, the same machine, with the suggested 50mm sag, will have a tension of 362 kg. An overly tight track increases pressure, leading to greater wear of the track bushings and sprocket teeth, as well as contact of the chain with the idler wheel and rollers. Appropriate tread hardness, equal to or greater than the chain links and running and support rollers, ensures impact resistance and balanced durability. Material: SCMn3A, hardening 50-55 HRC. Constant lubrication ensures minimal maintenance throughout the service life.
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