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Raw Edge V-Belts



Flexible, fabric free side-face Raw Edge V-Belts are used in the engines of automobiles, trucks, buses, and construction machinery. Ideal in harsh load fluctuation and high temperature environments, these belts have excellent heat resistance, abrasion resistance and deformation resistance.

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Direct exposure of special rubber to the pulley provides high friction force resulting in increased power transmission.


The structure of this belt is similar to that of the Raw Edge plain belt. However, this belt is designed to reduce noise by applying several fabric layers to the bottom surface.


A cogged bottom belt structure reduces the energy loss caused by bending. As a result, it fits small pulleys and gives stable performance at high speeds.


Wider angle (52°) than the standard type. Cogged profile allows improvement of bending fatigue resistance.


Top Fabric

  • Strong, wear resistant bias cut fabric designed for protection without loss of flexibility.




  • High tensile strength, pre-stretched polyester cords for reduced stretching and constant tension.

Compression Rubber

  • Reinforced with fiber chips to provide high coefficient of friction, wear resistance and greater flexibility. Insures a smooth and even transfer of load forces to the cords.

Bottom Fabric

  • Crack resistant, highly flexible fabric is impregnated with oil and heat resistant rubber compound. Laminated construction insures a strong bond and reduced noise.

Rubber Sides

  • Eliminates slip and maintains a positive contact with the pulley grooves for constant, reliable energy transfer.


MBL (USA) Corporation
601 Dayton Road, Ottawa, IL 61350
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