Pulley Combinations for the RAM4M.72-A30-30HM fan with a NP02043 Phs, 20 HP, TEFC, Premium (E-Plus3) Eff. Motor
Motor Pulley: 2VP75X1-5/8
6 Turns = 6.2 Motor Pitch
0 Turns = 7.4 Motor Pitch
1/2 Turn = 0.1 Motor Pitch
RPM Range Fan Pulley Pitch Dia. Bushing Belt Qty Belt by Discharge Max Turns Pitch @ Max Turns Min Turns Pitch @ Min Turns
Down Side
475 - 535 2B5V234 23.7 2  BX86     5.0 6.4 1.0 7.2
The manufacturer reserves the right to use alternate motors from alternate vendors that meet the operating requirements of the fan but may have slightly different specifications.