Pulley Combinations for the CFA5.108-A36-36H fan with a NP05043 Phs, 50 HP, TEFC, Premium (E-Plus3) Eff. Motor
Motor Pulley: 3B5V70
0 Turns = 7.1 Motor Pitch
0 Turns = 7.1 Motor Pitch
1/2 Turn = 0 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
1676 - 1676 3B5V74 7.5 3  5VX1150     0.0 7.1 0.0 7.1
Motor Pulley: 4B5V66
0 Turns = 6.6 Motor Pitch
0 Turns = 6.6 Motor Pitch
1/2 Turn = 0 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
465 - 465 4B5V250 25.1 4    5VX1080   0.0 6.6 0.0 6.6
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.