Overhung Load for Roots Positive Displacement Blowers
Proper V-Drive selection is essential to achieve maximum life for your blower and vacuum pump. Improper sizing or installation of a v-belt drive can shorten the life of the blower or even cause failure. Roots has provided a means to calculate the overhung load on the drive bearing and provide operational limits to these loads.
Use the following equations and table to verify that the v-belt drive on your blower does not exceed operating limitations.