Pulley Combinations for the SIF13BD fan with a 00158OT3E56-S48PP3 Phs, 1.5 HP, ODP (Open Drip Proof) Motor
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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 Max Turns Pitch @ Max Turns Min Turns Pitch @ Min Turns
1294 - 1571 AK39 x 1 3.7 H-1 AX45   4.0 2.8 1.0 3.4
1496 - 1817 AK32H 3.2 H-1 AX43   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.