Spannrad mit Führungen BOBCAT 442
Tension wheels for the track. The width of the inner guide flange 47mm complete with a shaft.
Tension wheels ITR for mini excavators and compact loaders provide optimal track tension by using the latest design and manufacturing technologies.
ITR Tension Wheel for BOBCAT 442
Our Tension wheels are made from selected high-quality steel alloys and appropriately 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 most stringent industry specifications. Our Tension wheels are assembled on production lines with an automatic oil filling process, ensuring their reliability and durability.
Available in various configurations, including:
- Tension wheel shell
- Tension wheel with bushing and shaft
- Tension wheel with brackets
- Tension wheel with fork
- Tension wheel with tensioner
Our Tension wheels are designed to meet all work requirements in tough conditions, providing reliability and long service life.
Quality of ITR Tension Wheels
Our range includes a wide selection of tension 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 at each production facility have specialist knowledge of the manufactured components, and the Italian Engineering headquarters coordinate all activities.
Functionality of ITR Tension Wheels
The function of the tension wheel is to properly tension and guide the track chain, ensuring its proper winding. The tension wheel and tensioner work together to maintain a specified degree of track tension. Efficient chain tension is a key factor affecting the durability of the undercarriage. The optimal deflection for conventional tracks is about 50mm (+-5mm). For example, a track in an 80-horsepower machine with a deflection of 12mm will have a tension of 2540 kg at the time of measurement in the track tensioner. Meanwhile, the same machine, with the suggested deflection of 50 mm, will have a tension of 362 kg. An overly tight track increases pressure, leading to greater wear on the track bushings and drive wheel teeth, as well as chain contact with the tension wheel and rollers. Appropriate tread hardness, equal to or greater than the chain links and running and supporting rollers, ensures impact resistance and balanced durability. Material: SCMn3A, hardening 50-55 HRC. Constant lubrication ensures minimal maintenance throughout the life of the product.
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