Pulley Combinations for the SIF15BD fan with a 00318OT3E56Z-48PP3 Phs, 3 HP, ODP, Premium (E-Plus3) Eff. Motor
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Motor Pulley: 2VP42 x 7/8
6 Turns = 3 Motor Pitch
0 Turns = 4 Motor Pitch
1/2 Turn = 0.083333333 Motor Pitch
RPM Range Fan Pulley Pitch Dia. Bushing Belt Qty Belt Max Turns Pitch @ Max Turns Min Turns Pitch @ Min Turns
1304 - 1579 2BK45H 4.2 H-1 BX51   5.0 3.17 1.0 3.83
1405 - 1700 2BK40H 3.9 H-1 BX51   5.0 3.17 1.0 3.83
1481 - 1792 2BK36H 3.7 H-1 BX51   5.0 3.17 1.0 3.83
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.