The inside length of the belt is typically 2 less for a 4l belt and 1 1 2 less for a 3l belt.
M section v belt dimensions.
Compare with the chart below.
For example a v belt with a top width of 21 32 and a depth of 7 16 is a b belt.
Easy to read v belt dimensions.
View complete specifications dimensions for each type of v belt.
An example would be 4l460 which would be 46 long outside 44 inside.
Not sure what v or wedge belt you need then simply follow our steps to find the one you require.
The correct section is.
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.
Despite their outward similarities each of these belts is designed for a distinct purpose.
What section is your v belt.
Automotive belts start with either 4l 12 5mm wide or 3l 9 5mm.
V belt cross sections can be identified by their top width and depth dimensions.
Each of these belts has a 1 2 inch top width and 50 inch circumference.
Step 2 determine if the v belt is wrapped or notched style if the belt.
Belts dimensions include the width depth angle per style v belt.