1200-h8m-pk

Belt sizes, including the 5PK designation, are crucial for ensuring compatibility with pulleys and proper function in your machinery. The size of a V-belt is usually denoted in terms of width and length. For instance, a 5PK belt has a width of 17mm (millimeters) and a specific length measurement that varies according to the application. The length of the belt is usually measured in millimeters as well, and it is represented by a number that indicates the belt's circumference.


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A poly V belt, also known as a narrow V belt or ribbed belt, features several longitudinal ribs on its surface, which provide a larger contact area with the pulleys. This design allows for more effective power transmission and ensures smoother operation compared to traditional V belts. The 135J6 designation refers to specific measurements related to the belt's dimensions 135 indicates the length of the belt in millimeters, while J6 designates a specific profile or construction.


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In a CVT system, the transmission belt operates between two pulleys that can change diameter. As the engine generates power, the primary pulley expands and contracts, causing the belt to move up and down its sides. This movement adjusts the gear ratio according to the vehicle's speed and engine load, allowing for optimal engine performance and efficiency at all times. The belt's ability to flex and adapt is what makes the CVT smooth and responsive, eliminating the shift shock commonly experienced in traditional transmissions.


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