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Round Belts

A reliable source for Conveyor Belt information and leading Conveyor Belt Companies & Manufacturers.

The round cross-section of the round belt makes it ideal for use with light-loading equipment and with smaller jobs needing continuous motion. They are intended to be used with pulleys that have a groove in the shape of a V. Other names for round belts that are frequently used include O-ring belts, endless round belts, and endless drive belts. Read More…

Round Belts Round Belts are also commonly called O-ring belts, endless round belts or endless drive belts. They are mainly used for power transmission applications and line shaft or live roller conveyors, and powered roller conveyors. These belts are designed to stretch, so they do not need a belt tensioner.
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Leading Manufacturers

Hilliard, OH  |  800-770-2358

Our conveyor belts are ISO 9002 and FDA certified. We can use our belts in nearly every industry, from transmission timing belts to conveyor belts for foods.

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Dura-Belt, Inc. $$$

Lake in the Hills, IL  |  800-334-9372

In business since 1988, our DuraFab, DuraFlow, DuraLam, DuraSil, and DuraChef conveyor belts might be familiar names to you. As a conveyor belt manufacturer, we know our PTFE and silicone-coated belting products have assisted many with commercial, food, industrial and military applications.

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AFC Materials Group $$$

Coraopolis, PA  |  412-249-0700

Fenner Dunlop Americas has built a reputation in belt manufacturing, and our goal is to find the perfect solution for you. Our staff is dedicated to your needs and we are capable of assisting you in finding the belt your application requires. To learn more about the details of our industrial belts then simply visit our website or give one of our representatives a call.

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Fenner Dunlop Americas $$$

Akron, OH  |  800-841-4976

We are masters of all conveyor belt systems, ranging from plastic conveyor belts to the more traditional rubber belts. We can manufacture belts for any industry, and we serve over 16 countries around the world. As a company who started small, we believe it is our dedication to customers that made us who we are today. Find out more when you give us a call today!

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Akron Belting & Supply Company $$$
placeholder image Dura-Belt, Inc. AFC Materials Group Fenner Dunlop Americas Akron Belting & Supply Company

Round belts are mostly utilized for powered roller conveyors, line shaft or live roller conveyors, and power transmission applications. One advantage is that users can easily purchase them from any source of circular belts, cut them to length, and then combine them to fit the pulley system.

These belts do not require a belt tensioner because they are intended to stretch. This circular belt minimizes surface contact with the component, making the conveyors for which it is used appropriately for drying or lowering product contamination. Round belts are often constructed from polymer materials, which exhibit excellent chemical and abrasion resistance and do not require tensioning or tracking modifications.

A round belt is appropriate for clean rooms because it lacks fibers. Light- to heavy-duty power transmission belts include round and o-ring belts. Other names for these goods include endless-drive belts and endless-circular belts. Round belts are cylindrical lengths of material that can be solid or hollow. They require stretching or elongation to function and rely on friction to keep in touch with the belt pulleys.

Round Belts

Types of Round Belts

Round belts come in various polymers and designs with various strengths, elasticities, and transmissions. Nitrile rubber is suitable for procedures involving oils and alcohols since it is resistant to petroleum hydrocarbons. The second material is neoprene, which can sustain a wide range of temperature ranges and is extremely durable due to its resistance to twisting and fracture. The third type is polyurethane, which includes various circular urethane belt varieties. These are typically resistant to abrasion. Rubber, the fourth and final category, offers distinct elastic qualities.

Buna-N often referred to as nitrile rubber, is a synthetic rubber copolymer made of butadiene and acrylonitrile. It works well in applications requiring lubricants, hydraulic fluids, and alcohols because it is resistant to petroleum hydrocarbons. The recommended operating range for Buna-N is around -30° to 275° F.

Neoprene is a synthetic rubber made by polymerizing chloroprene giving the rubber great flexibility and strong chemical stability. It functions effectively in contact with oils and chemicals like nitrile rubber. Neoprene can function successfully at temperatures ranging from -45° to 230° F and is renowned for resisting twisting and breaking damage.

A wide range of polyurethane polymers provides outstanding elongation, recovery, and toughness properties. They are also flexible and resilient to abrasion.

Nitrile Rubber Round Belt

Common Problems Encountered With Round Belts

  • The belt rips off at the tail pulley.

    Reason: Belt swerving across the loading region and around the tail pulley

    Solution: Install training idlers (pulleys that guide a belt) on the return side before the tail pulley as a solution.

    Reason: Material spills and accumulation

    Solution: Improvements can be made to loading and transfer circumstances by cleaning equipment and regular maintenance.

    Reason: Idlers or pulleys that are not aligned with the belt's middle line

    Solution: Adjust idlers in the affected area as a solution.

  • The belt rips off at the head pulley.

    Reason: Worn-out pulley lagging

    Solution: Replace the pulley lagging as a solution.

    Reason: Material spills and accumulation

    Solution: Improvements can be made to loading and transfer circumstances by cleaning equipment and regular maintenance.

    Reason: Idlers or pulleys that are not aligned with the belt's middle line

    Solution: Adjust idlers in the affected area as a solution.

Round Belt

Applications of Round Belts

Round belts are cylindrical solid or hollow material lengths that use friction to maintain contact with belt pulleys. Therefore, they require stretching to function. These circular belts are frequently employed in power transmission applications for machines used in packing, printing, photocopying, transporting, and imaging.

Conveyors can be set up differently from the straight conveyor by using round belts to transmit power. For example, round belt conveyors can spin 90 degrees (a quarter turn) round belts to turn a shaft whose axis is rotated a quarter turn away from the drive shaft and supply power transfer for straight conveyors.

Choosing the Correct Round Belt Supplier

To make sure you have the most constructive outcome when purchasing Round Belts from a Round Belt Manufacturer, it is important to compare at least 5 Suppliers using our list of Round Belt manufacturers. Each Round Belt Company has a business profile page that highlights their areas of experience and capabilities and a contact form to directly communicate with the manufacturer for more information or request a quote. Review each Round Belt company website using our proprietary website previewer to get an idea of what each business specializes in, and then use our simple RFQ form to contact multiple Round Belt businesses with the same form.

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