Pulley Combinations for the CFA4.72-A30-30H fan with a 02018OT3H256T-S3 Phs, 20 HP, ODP, Premium (E-Plus3) Eff. Motor
Motor Pulley: 2VP60 x 1-5/8
6 Turns = 4.3 Motor Pitch
0 Turns = 5.5 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
388 - 457 2B5V200 20.3 B-2 7/16 5VX900     5.0 4.5 1.0 5.3
Motor Pulley: 2VP65 x 1 5/8
6 Turns = 5.2 Motor Pitch
0 Turns = 6.4 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
399 - 458 2B5V234 23.7 B-2 7/16   5VX950   5.0 5.4 1.0 6.2
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
446 - 502 2B5V250-5VX 25.1 5VX1000     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.