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