'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.
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 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 .