hnbr timing belt

The primary function of the V-belt is to transmit rotational motion from the engine to attached components. When the engine runs, the crankshaft spins, causing the V-belt to turn. This motion transfers power to the connected accessories, allowing them to perform their designated roles. For instance, the alternator relies on the V-belt to generate electricity for the vehicle’s electrical system, while the power steering pump uses it to facilitate smoother steering.


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There are several types of V-belts designed to meet various operational needs. These include classical V-belts, narrow V-belts, and cogged V-belts. Classical V-belts are widely used in numerous applications, while narrow V-belts provide a more compact design for applications with space constraints. Cogged V-belts feature notches along the belt's length that improve flexibility, allowing for better gripping on smaller pulleys and enhancing performance in high-speed applications.


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