Pulley Combinations for the CFA7.72-A225-25H fan with a NP04043 Phs, 40 HP, TEFC, Premium (E-Plus3) Eff. Motor
Motor Pulley: 3B5V50
0 Turns = 5.1 Motor Pitch
0 Turns = 5.1 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
321 - 321 3B5V278 28.1 3  5VX1120   5VX1120   0.0 5.1 0.0 5.1
649 - 649 3B5V136 13.9 3  5VX1120   5VX710   0.0 5.1 0.0 5.1
Motor Pulley: 3B5V52
0 Turns = 5.2 Motor Pitch
0 Turns = 5.2 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
392 - 392 3B5V234 23.5 3  5VX1120   5VX1000   0.0 5.2 0.0 5.2
Motor Pulley: 3B5V54
0 Turns = 5.4 Motor Pitch
0 Turns = 5.4 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
340 - 340 3B5V278 28.1 3  5VX1120   5VX1120   0.0 5.4 0.0 5.4
407 - 407 3B5V234 23.5 3  5VX1120   5VX1000   0.0 5.4 0.0 5.4
471 - 471 3B5V200 20.3 3  5VX1120   5VX1120   0.0 5.4 0.0 5.4
Motor Pulley: 3B5V56
0 Turns = 5.6 Motor Pitch
0 Turns = 5.6 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
422 - 422 3B5V234 23.5 3  5VX1120   5VX1000   0.0 5.6 0.0 5.6
Motor Pulley: 3B5V58
0 Turns = 5.8 Motor Pitch
0 Turns = 5.8 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
365 - 365 3B5V278 28.1 3  5VX1120   5VX1120   0.0 5.8 0.0 5.8
437 - 437 3B5V234 23.5 3  5VX1120   5VX1000   0.0 5.8 0.0 5.8
Motor Pulley: 3B5V68
0 Turns = 6.8 Motor Pitch
0 Turns = 6.8 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
480 - 480 3B5V250 25.1 3  5VX1120   5VX1120   0.0 6.8 0.0 6.8
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
447 - 447 3B5V278 28.1 3  5VX1120   5VX1000   0.0 7.1 0.0 7.1
Motor Pulley: 4B5V60
0 Turns = 6.1 Motor Pitch
0 Turns = 6.1 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
537 - 537 4B5V200 20.1 4  5VX1000   5VX1120   0.0 6.1 0.0 6.1
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.