
Conveyor Belt Idlers
Conveyor idlers or rolls
Conveyor belt idlers are essential components in material handling systems, providing support and stability to the conveyor belt during the transportation of goods. They are typically composed of a series of rollers, known as idler rollers, arranged in various configurations to accommodate different applications. The primary function of these idlers is to support the belt and the load being conveyed, ensuring smooth movement and preventing sagging or misalignment. Proper selection of conveyor idlers and good belt cleaning is crucial for the efficient and reliable operation of conveyor systems, as they help minimize wear and tear on the belt, reduce energy consumption, and decrease the likelihood of system failures.
Our range of conveyors idlers is most likely one of the largest you can find. We provide:
- Steel idlers (carrying and return idlers, guide and buffer rollers)
- Lined idlers (ex. rubber lined or with Ceralast support rings)
- Impact idlers
- Disc return idlers
- Idlers with knocking elements to clean belts which cannot be cleaned with standard belt scrapers
- Garland idlers
- etc.
Lutze partners with leading manufacturers to provide high-quality conveyor components, and Interkraz is one of our preferred suppliers for idlers. With over 35 years of experience, Interkraz is known for producing durable, precision-engineered idlers that ensure smooth and efficient conveyor operation. Their commitment to innovation and quality aligns with our mission to deliver reliable solutions for bulk material handling. Whether for standard or custom applications, we trust Interkraz idlers to enhance the performance and longevity of your conveyor systems.

LUWITAN® side roller sleeves
Blue, 80 ± 5 Shore A
LUWITAN® side roller sleeves are exchangeable and made of polyurethane for standard steel guide rollers with 63,5 mm diameter, a length of 130 mm and with a M16 x 20mm thread. Used for guiding conveyor belts with sporadic misalignment and a maximum speed of 1.9 m/s, the roller sleeves protect the edge of the conveyor belt. This avoids the belt from running into the conveyor structure and lasts significantly longer thanks to its excellent wear resistance. Especially in abrasive or chemically stressed applications, LUWITAN® is technically superior to many alternative products.

Ceralast ceramic idler support rings
Ceralast support rings are made of a combination of ceramic and high-performance rubber resulting in back-up rings for extreme applications. The wear resistant special ceramic protects the back-up ring from abrasive media such as glass flakes in this Ardagh case but also quartz, stone, or metal.
With Ceralast ceramic support rings, significantly longer service lives are achieved. In the abrasion test (DIN4649), the Ceralast back-up ring shows no measurable abrasion. The ceramic is inseparably bonded to the rubber by a special process. The rubber core continues to guarantee good elasticity and damping.
Ceralast provides quite a lot of advantages
Besides the fact that there is no measurable abrasion on the rings, elasticity and cushioning remains extremely good. All of this results in a longer service life and consequently less maintenance downtime and lower maintenance costs.
Ceralast is a cost-saving solution in any application where highly abrasive materials are being handled. Among many others, iron ore and granite mining, glass recycling or slag conveying are typical applications in which Ceralast is performing to its best and provides customers fewer headaches.
Similar Ceralast rings are already in use in other applications too. Companies such as Arcelor and Tata use them in their steelworks and Enci in its cement factories where they process slag sand.
Five different types of ceramic support rings are available with diameters of 63,5 mm, 89 mm and 108 mm.
- Ceralast Rubber-Ceramic-Supportring Type 8704 EN.pdf
- Ceralast Rubber-Ceramic-Supportring Type 8705 EN.pdf
- Ceralast Rubber-Ceramic-Supportring Type 8710 EN.pdf
- Ceralast Rubber-Ceramic-Supportring Type 8713 EN.pdf
- Ceralast Rubber-Ceramic-Supportring Type 8714 EN.pdf
Click above links to see the product info sheets.

Ceralast support rings
Conveyor belt idler stations
Conveyor belt idler stations are readily assembled modular systems, designed to provide structured support and guidance to conveyor belts during the transportation of goods. Typically comprising a series of idlers - sometimes even belt drums - mounted on a frame, these stations are strategically positioned along the conveyor's length to maintain belt alignment, prevent sagging, and ensure efficient operation.
Ready to elevate your conveyor system's efficiency, reliability and safety?
Contact us today to learn how our conveyor accessories can benefit your business. Don't settle for less; choose the best for your conveyor needs!