This International Standard defines terms relating to V-belt drives, V-belts, hexagonal belts, joined V-belts and the corresponding V-grooved pulleys, V-ribbed belt drives, V-ribbed belts and V-ribbed pulleys, as well as the corresponding symbols. Classic Cogged V Belts. AX Section Cogged (1/2" Width) BX Section Cogged (5/8" Width) CX Section Cogged (7/8" Width) FHP Belts. 3L Section (3/8" Width) 4L Section (1/2" Width) 5L Section (5/8" Width) Wedge V Belts. 3V Section Wedge (1/2" Width) 5V Section Wedge (5/8" Width) 8V Section Wedge (1" Width) Cogged Wedge V Belts. 3VX Section Cogged (1 'A', 'B', 'C', 'D' and 'E'. The categorization of this is based on the cross sectional size of the belt and the amount of power to be transmitted by the belt. The dimensions of various sections of the V-belt are shown below. The included angle of the V-Belts is 40 Degrees. V-Belt Type: Top Width: Height: Angle: A: 1/2″ 5/16″ 40° B: 5/8″ 13/32″ 40° 3VX: 3/8″ 21/64″ 40° 5VX: 5/8″ 35/64″ 40° 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. 9GPA.

standard size of v belt