What does Li mean on V-belt?
What does Li mean on V-belt? inner length Li = belt inner length. La = belt outer length. What is the smallest V-belt? 2L-Series Classic 2L-Series V-Belts are one of the oldest styles of V-Belts in the industry and are commonly referred to as fractional horsepower (FHP) belts because they are used on motors that are 1HP or less. They are designated as 2L belts because they have a top-width of 1/4", it is the smallest "standard" v-belt. How do you know what size V-belt to get? Use a cloth measuring tape (not a steel one) and wrap it around...