Fan Belt Calculator

How to Determine which Fan Belt you require

Last Modified: 28th Apr 2016

Belt Length Calculator

Step 1
Please enter distance between the centres of the pulleys and the diameters of both the pulleys, or if you know the length of the belt you require, simply enter the length below:

Pulley Centre Distance: mm Diameter Of Pulley 1: mm Diameter Of Pulley 2: mm   Length Of V-Belt : mm

Step 2 Once you have determined the length of the belt you require use the diagram to the right to determine the section. Please choose the section you require: ? Wmm x Tmm Z Section (10 x 6) A Section (13 x 8) B Section (17 x 11) C Section (22 x 14) SPZ Section (9.7 x 8) SPA Section (12.7 x 10) SPB Section (16.3 x 13) SPC Section (23 x 18)

Types of Belt

A / B / C / Z Section Belts

These type of belts are known as classical vee belts. If the section is suffixed with an 'X', this indicates that the belt is cogged to allow fitting at tighter angles.

SPA/SPB/SPC/SPZ Section Belts

SP denotes that the belt is a wedge belt. Again, an 'X' suffix indicates a cogged fitting.

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