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 sizes.
Example a v belt with a top width of 21 32 and a depth of 7 16 is a b belt.
Compare with the chart below.
Click here for more complete specifications per belt section.
Classic v belt numbers start with a letter identifying the cross section a through e see v belt dimensions below.
Gates v belts are engineered to run maintenance free to keep your vehicles moving without the need for lubrication or retensioning.
A series belts are the most common.
The belts are generally endless and their general cross section shape is trapezoidal or v shaped.
What section is your v belt.
Classical v belt classified by their dimensions from a to e narrow v series classified by their dimensions 3v 5v and 8v and light duty fractional horsepower belt classified by their dimensions 2l 3l 4l 5l.
3l section 3 8 width x 7 32 depth.
Also keep in mind belts do stretch and unfortunately there is no specific given value for how much a belt can stretche.
This means you would measure the widest part of the belt thick section and then from the widest part to the narrowest part of the belt.
Step 2 determine if the v belt is wrapped or notched style if the belt you have is notched add an x to the type.
You ll also need to measure the width and depth to determine which section v belt you have.
A section 1 2 width b section 5 8 width c section 7 8 width d section 1 1 4 width bx section cogged 5 8 width wedge banded v belts.
V belts provide the best combination of traction speed transfer drive load distribution and long service life.
You can also use our browning belt rule that includes a gauge to help easily identify belt type.
Aa section dbl.
As another example replacing an older classical v belt drive with a newer narrow profile notched v belt made with an ethylene elastomer and aramid fiber tensile cords can yield up to 3x greater load carrying capacity while reducing the weight and size of the drive relieving stress on shafts bearings and other components.
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.
We ve designed our v belts for wear corrosion and heat resistance with.
The types of v belts and their standard sizes.
V belts are the most commonly selected belts for power transmission.
Classic kevlar v belt sections.
If you identified a b.
3v section 3 8 width 5v section 5 8 width 8v section 1 width 3vx section cogged 3 8 width 5vx section cogged 5 8 width double angle v belts.
Classic banded v belts.
There are three common v belt types.
An example would be 4l460 which would be 46 long outside 44 inside.
The correct section is.