A124 A/4L Classic V-Belts, Special Order Items - Lead Time 10 Business Days
A124 - Width: 1/2"; Length: 126"
Understanding the Part Number
A?? The A stands for an ?A? section v-belt.?This is considered a ?Classic? v-belt style that has a top width of ? (0.5) inches and a thickness of 5/16 (0.312) inches.
124? 124 inches is the inside circumference of the belt.?For A-section v-belts, the outside circumference is found by adding 2 inches to the inside length of the belt.?So, the outside circumference of the A124 belt is 126 inches (124+2).