Pulley Combinations

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Pulley Combinations for the RAM3M.48-A25-25HM fan with a NP02543 Phs, 25 HP, TEFC, Premium (E-Plus3) Eff. Motor

Motor Pulley: 2B5V60-5VX

0 Turns = 6.1 Motor Pitch

1/2 Turn = 0 Motor Pitch

RPM Range	Fan Pulley	Pitch Dia.	Bushing	Belt Qty	Belt by Discharge		Max Turns	Pitch @ Max Turns	Min Turns	Pitch @ Min Turns
RPM Range	Fan Pulley	Pitch Dia.	Bushing	Belt Qty	Down	Side	Max Turns	Pitch @ Max Turns	Min Turns	Pitch @ Min Turns
429 - 429	2B5V250-5VX	25.1	B-2 3/16	2	5VX1030	5VX1030	0.0	6.1	0.0	6.1
458 - 458	2B5V234-5VX	23.5	B-2 3/16	2	5VX1000	5VX1000	0.0	6.1	0.0	6.1
536 - 536	2B5V200-5VX	20.1	B-2 3/16	2	5VX930	5VX930	0.0	6.1	0.0	6.1
582 - 582	2B5V184-5VX	18.5	B-2 3/16	2	5VX900	5VX900	0.0	6.1	0.0	6.1
669 - 669	2B5V160-5VX	16.1	B-2 3/16	2	5VX850	5VX850	0.0	6.1	0.0	6.1
695 - 695	2B5V154-5VX	15.5	B-2 3/16	2	5VX850	5VX850	0.0	6.1	0.0	6.1
786 - 786	2B5V136-5VX	13.7	B-2 3/16	2	5VX800	5VX800	0.0	6.1	0.0	6.1
861 - 861	2B5V124-5VX	12.5	B-2 3/16	2	5VX780	5VX780	0.0	6.1	0.0	6.1

Motor Pulley: 2B5V62-5VX

0 Turns = 6.3 Motor Pitch

1/2 Turn = 0 Motor Pitch

RPM Range	Fan Pulley	Pitch Dia.	Bushing	Belt Qty	Belt by Discharge		Max Turns	Pitch @ Max Turns	Min Turns	Pitch @ Min Turns
RPM Range	Fan Pulley	Pitch Dia.	Bushing	Belt Qty	Down	Side	Max Turns	Pitch @ Max Turns	Min Turns	Pitch @ Min Turns
399 - 399	2B5V278-5VX	27.9	B-2 3/16	2	5VX1080	5VX1080	0.0	6.3	0.0	6.3
443 - 443	2B5V250-5VX	25.1	B-2 3/16	2	5VX1030	5VX1030	0.0	6.3	0.0	6.3
473 - 473	2B5V234-5VX	23.5	B-2 3/16	2	5VX1030	5VX1030	0.0	6.3	0.0	6.3
553 - 553	2B5V200-5VX	20.1	B-2 3/16	2	5VX930	5VX930	0.0	6.3	0.0	6.3
601 - 601	2B5V184-5VX	18.5	B-2 3/16	2	5VX900	5VX900	0.0	6.3	0.0	6.3
717 - 717	2B5V154-5VX	15.5	B-2 3/16	2	5VX850	5VX850	0.0	6.3	0.0	6.3
812 - 812	2B5V136-5VX	13.7	B-2 3/16	2	5VX800	5VX800	0.0	6.3	0.0	6.3
890 - 890	2B5V124-5VX	12.5	B-2 3/16	2	5VX780	5VX780	0.0	6.3	0.0	6.3

Motor Pulley: 2B5V66-5VX

0 Turns = 6.7 Motor Pitch

1/2 Turn = 0 Motor Pitch

RPM Range	Fan Pulley	Pitch Dia.	Bushing	Belt Qty	Belt by Discharge		Max Turns	Pitch @ Max Turns	Min Turns	Pitch @ Min Turns
RPM Range	Fan Pulley	Pitch Dia.	Bushing	Belt Qty	Down	Side	Max Turns	Pitch @ Max Turns	Min Turns	Pitch @ Min Turns
503 - 503	2B5V234-5VX	23.5	B-2 3/16	2	5VX1000	5VX1000	0.0	6.7	0.0	6.7
639 - 639	2B5V184-5VX	18.5	B-2 3/16	2	5VX1000	5VX1000	0.0	6.7	0.0	6.7
735 - 735	2B5V160-5VX	16.1	B-2 3/16	2	5VX850	5VX850	0.0	6.7	0.0	6.7
763 - 763	2B5V154-5VX	15.5	B-2 3/16	2	5VX850	5VX850	0.0	6.7	0.0	6.7

Motor Pulley: 2B5V74-5VX

0 Turns = 7.5 Motor Pitch

1/2 Turn = 0 Motor Pitch

RPM Range	Fan Pulley	Pitch Dia.	Bushing	Belt Qty	Belt by Discharge		Max Turns	Pitch @ Max Turns	Min Turns	Pitch @ Min Turns
RPM Range	Fan Pulley	Pitch Dia.	Bushing	Belt Qty	Down	Side	Max Turns	Pitch @ Max Turns	Min Turns	Pitch @ Min Turns
527 - 527	2B5V250-5VX	25.1	B-2 3/16	2	5VX1030	5VX1030	0.0	7.5	0.0	7.5
563 - 563	2B5V234-5VX	23.5	B-2 3/16	2	5VX1000	5VX1000	0.0	7.5	0.0	7.5

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.

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