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Pulley Combinations for the NCA14FA fan with a .7518OT3E56-S48PP3 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 Max Turns Pitch @ Max Turns Min Turns Pitch @ Min Turns
631 - 766 AK79 x 3/4 7.7 AX27   4.0 2.8 1.0 3.4
759 - 922 AK66 x 3/4 6.4 AX26   4.0 2.8 1.0 3.4
934 - 1134 AK54 x 3/4 5.2 AX23   4.0 2.8 1.0 3.4
1104 - 1341 AK46 x 3/4 4.4 AX21   4.0 2.8 1.0 3.4
1104 - 1341 AK46H 4.4 AX22   4.0 2.8 1.0 3.4
1313 - 1594 AK39 x 3/4 3.7 AX19   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.