First, to determine what type of belt is on your fan, measure the width of the belt. Most fan belts are A type belts with a measurement of 

You'll also need to measure the width and depth to determine which section v belt you have. Classic & Kevlar V Belt Sections, 3L Section - 3/8" Width X 7/32" Depth, A/4L Section - 1/2" Width X 5/16" Depth, B/5L Section - 5/8" Width X 13/32" Depth, C Section - 7/8" Width X 17/32" Depth, D Section - 1-1/4" Width X 3/4" Depth,

Step 1 What Section is your V-Belt? Measure the section With a ruler measure the top width of the belt (widest part of the vee) and then the thickness of the belt. See image below. Compare with the chart below. Next Step Either click on the section link in the table that correctly represents your belt or click on the correct section image below.

Next, for "A" Belts (1/2" width) subtract two-inches from the outside measurement to select the correct V-belt. For example, if the outer measurement is 48-inches and you subtract two inches, then HSA46 would be the right belt for your fan. For "B" Belts (5/8" width) subtract 3" from the outside measurement to select the correct V

There are three common type of V-belts, and they are classified by their dimensions: 1) Classical V-Belt - Classified by its dimensions ranging from A to E, The classical V-Belt is the most common of all V-Belt types, and it has been in existence even before other V-Belt types.

10‑Z 13‑A 17‑B 22‑C SPZ SPA SPB SPC Z 310 A 440 B 655 C 1150 SPZ 487 SPA 707 SPB 1260 SPC 2000 Z 335 A 490 B 670 C 1210 SPZ 512 SPA 732 SPB 1340 SPC 2120 Z 395 A 510 B 690 C 1240 SPZ 562 SPA 757 SPB 1410 SPC 2240

08/31 · For Example: 4L450. 2450 = 4L450 Belt length is to the nearest tenth of an inch. Example belt is 45.0" O.C. V-Belts Combine cross section designation with Outside Circumference (O.C.) to the nearest whole number, plus a zero

Measure each individual band for banded belts to obtain the correct width. Examples of how belt numbers are coded per section: A Section= Add 2" to belt number (Example A88 = 90"

Wedge Banded V Belts. 3V Section (3/8" Width) 5V Section (5/8" Width) 8V Section (1" Width) 3VX

Although we normally recommend using effective length-outside, inside, pitch and nominal length are used frequently. Each of these terms are explained. 1.

How Do Belt Sizes Work? A quick hit list of the main points is as follows: Your belt size is two inches larger than your pant waist size. If you wear a 34″ trouser, buy a 36″ belt; If your waist size is an odd number, buy a belt three inches larger instead of two; Most belts have five holes. The prong should go in the middle one (the third one) The belt should finish between the first and second belt loop of your trousers; Common Belt Sizes For Men