metric variable speed belts

A poly V belt, also known as a serpentine belt, is characterized by its multiple longitudinal ribs that provide increased surface contact and improved grip compared to traditional flat belts. The “135J6” designation denotes the specific dimensions and specifications of the belt. In this case, “135” refers to the belt’s length, while “J6” indicates the width and configuration. The poly V belt is designed to fit into a pulley system and is often used to drive multiple accessories in engines, including alternators, power steering pumps, and air conditioning compressors.


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Poly V belts, also known as multi-ribbed belts, are an essential component in various mechanical systems, providing efficient power transmission in a multitude of applications. The design and functionality of these belts have revolutionized the way machinery operates, making them a vital part of automotive, industrial, and agricultural equipment. In this article, we delve into the characteristics, advantages, and applications of Poly V belts, particularly focusing on the TB2 series.


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