In this article we'll review some V- belt basics to help you make better sense of which belt to use in a given ap- plication to make your belt drives last longer, run more eficiently, and save you downtime and money. Size Isn't Everything. Take a look at the accompanying chart (Figure 1). METRIC WEDGE WRAPPED V-BELTS SAMPLE SIZE: 5V 620 5V - 5/8" (0.625") Top Width 620 - 62" Outside Length WEDGE WRAPPED V-BELTS 3V 5V 8V 3/8" 5/8" 1" 21/64" 35/64" 7/8" SAMPLE SIZE: 3R / 5V 2500 3R - 3 Ribs 5V - 5V Wrapped Section 2500 - 250" Outside Length WRAPPED BANDED V-BELTS AX BX CX 1/2" 5/16" 21/32" 7/16" 7/8 Each of these belts has a 1/2-inch top width and 50-inch circumference. However, notice the differences in cord materials, body compounds, cover configurations, temperature ranges and application requirements. Despite their outward similarities, each of these belts is designed for a distinct purpose. Conventional V-Belt Sizes. V and Flat Belt Design and Engineering Data. V Belt sections given sizes are Inches/Millimeter. Cross Section Selection: Special circumstances (such as space limitations) may lead to a choice of belt cross section different from that indicated in the illustrations below. Link to this Webpage: Engineers Edge: Tameson's Technical Information Center. Applications for fluid control products. V-Belt Size Calculator. February 25, 2022 by Anju Thangam Joy. Figure 1: A v-belt. A v-belt is a transmission belt made of rubber polymer with a trapezoidal cross-section. These belts install around multiple groove pulleys for higher torque transmissions. Basic Information. Configure. Clear All. 185 Part Numbers. View Part Numbers. Specification/Dimensions. Effective Circumference Length (mm) 3,327. 3,378. 3,404. 3,454. 3,531. 3,581. 3,607. 3,632. 3,658. aAjrFQZ.

standard size of v belt