Pulley Combinations for the fan with a 1 Phs, 0.75 HP, ODP (Open Drip Proof) Motor
Motor Pulley: 1VL40 x 5/8
5 Turns = 2.6 Motor Pitch
0 Turns = 3.6 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
438 - 531 AK114H 11.2 H-1   AX56   4.0 2.8 1.0 3.4
533 - 647 AK94H 9.2 H-1 AX53     4.0 2.8 1.0 3.4
533 - 647 AK94 x 1 9.2 H-1 AX54     4.0 2.8 1.0 3.4
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.