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Pulley Combinations for the NCA8FA fan with a .5018OT3E56-S48PP3 Phs, 0.5 HP, ODP (Open Drip Proof) Motor
Click on a part # to order that part.
Motor Pulley: 1VL34 x 5/8
5 Turns = 2 Motor Pitch
0 Turns = 3 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
732 - 932 AK54 x 3/4 5.2 AX20   4.0 2.2 1.0 2.8
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
527 - 639 AK94H 9.2 AX19   4.0 2.8 1.0 3.4
932 - 1131 AK54 x 3/4 5.2 AX22   4.0 2.8 1.0 3.4
1101 - 1337 AK46 x 3/4 4.4 AX20   4.0 2.8 1.0 3.4
1309 - 1590 AK39 x 3/4 3.7 AX19   4.0 2.8 1.0 3.4
1514 - 1838 AK32H 3.2 H-3/4 AX18   4.0 2.8 1.0 3.4
Motor Pulley: 1VP50 x 5/8
5 Turns = 3.6 Motor Pitch
0 Turns = 4.6 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
1494 - 1730 AK46 x 3/4 4.4 AX22   4.0 3.8 1.0 4.4
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.