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Table 3 — Supply Fan Drive Data
*Sizes 040,050 only. NOTE: Part numbers are Browning Manufacturing Corp. reference.
Table 4 — Power Exhaust Fan Drive Data
*High-Efficiency Motor Option.
†Premium-Efficiency Motor Option.
**Applies to both motor options.
NOTE: Part numbers are Browning Manufacturing Corp. reference.
Table 5 — High-Capacity Power Exhaust Fan Drive Data (48ZT,ZW Units)
Table 6 — Return/Exhaust Fan Drive Data (48Z6,Z8 Units)
HP
SHAFT
DIA (in.)
SPEED
(rpm)
MOTOR
SHEAVE
MOTOR
PITCH DIA (in.)
WHEEL
SHEAVE
WHEEL
PITCH DIA (in.).
QUANTITY
...BELT
Sizes 030-050
7.5 1
3
/
8
438 2BK36 3.4 2B5V136 13.7 2...BX60
10 1
3
/
8
549 2B5V42 4.3 2B5V136 13.7 2...5VX630
15 1
5
/
8
626 2B5V48 4.9 2B5V136 13.7 2...5VX630
20 1
5
/
8
703 2B5V54 5.5 2B5V136 13.7 2...5VX630
25 1
7
/
8
830 2B5V64 6.5 2B5V136 13.7 2...5VX650
30* 1
7
/
8
910 3B5V64 6.5 3B5V124 12.5 3...5VX630
Sizes 055-070
15 1
5
/
8
575 2B5V44 4.5 2B5V136 13.7 2...5VX1230
20 1
5
/
8
651 2B5V50 5.1 2B5V136 13.7 2...5VX1230
25 1
7
/
8
703 2B5V54 5.5 2B5V136 13.7 2...5VX1230
30 1
7
/
8
711 2B5V62 6.3 2B5V154 15.5 2...5VX1230
40 2
1
/
8
740 3B5V66 6.7 3B5V160 16.1 3...5VX1250
Sizes 075-105 (Forward Curved Fan)
30 1
7
/
8
501 3B5V52 5.33 B5V184 18.5 3...5VX1320
40 2
1
/
8
539 4B5V56 5.74 B5V184 18.5 4...5VX1320
50 2
1
/
8
615 4B5V64 6.54 B5V184 18.5 4...5VX1320
60 2
3
/
8
672 4B5V70 7.14 B5V184 18.5 4...5VX1320
Sizes 075-105 (Airfoil Fan)
30 1
7
/
8
1353 2B5V74 7.5 2Q5V97 9.7 2...5VX1150
40 2
1
/
8
1493 2B5V86 8.7 2Q5V103 10.2 2...5VX1180
50 2
1
/
8
1593 3B5V80 8.1 3R5V90 8.9 3...5VX1150
60 2
3
/
8
1711 3B5V86 8.7 3R5V90 8.9 3...5VX1150
75 2
3
/
8
1799 3B5V110 11.1 3R5V109 10.8 3...5VX1230
TOTAL
HP
MOTOR
QTY...HP
MOTOR
SHAFT
DIA (in.)
FAN
SPEED
RPM
MOTOR
SHEAVE
P/N
MOTOR SHEAVE
PITCH
DIA (in.)
FAN
SHEAVE
P/N
FAN SHEAVE
PITCH
DIA (in.)
BELTS
QTY...P/N
CENTER DIST
RANGE (in.)
Sizes 030-050
6* 2...3
7
/
8
656 1VL44 4.1 BK115 11 1...BX71 23.62-26.50
6† 2...3 1
1
/
8
656 1VP44L 4.1 BK115 11 1...BX71 23.62-26.50
10** 2...5 1
1
/
8
785 1VP50L 4.7 BK110 10.4 1...BX71 23.62-26.50
15** 2...7.5 1
3
/
8
882 1VP65 6.0 BK130 12 1...BX77 23.62-26.50
20** 2...10 1
3
/
8
1000 1VP75 7.0 BK130 12 1...BX79 23.62-26.50
Sizes 055-105
10 2...5 1
1
/
8
740 2P3V45 4.5 2Q3V106 10.6 2...3VX800 26.8-28.5
15 2...7.5 1
3
/
8
820 2P3V50 5.0 2Q3V106 10.6 2...3VX800 26.8-28.5
20 2...10 1
3
/
8
920 2P3V56 5.6 2Q3V106 10.6 2...3VX800 26.8-28.5
TOTAL
HP
MOTOR
QTY...HP
MOTOR
SHAFT
DIA. (in.)
SPEED
RPM
MOTOR SHEAVE BLOWER SHEAVE
QTY...BELT
CENTER DISTANCE
RANGE (in.)
Part
Number
Pitch Diameter
(in.)
Part
Number
Pitch Diameter
(in.)
20 2...10 1.375 714 2B5V48 4.8 2B5V124 12.4 2...BX93 32.8 to 36.7
30 2...15 1.625 841 2B5V58 5.8 2B5V124 12.4 2...BX93 32.6 to 36.5
40 2...20 1.625 928 2B5V58 5.9 2B5V110 11.1 2...5VX950 32.6 to 36.5
50 2...25 1.875 1020 2B5V64 6.5 2B5V110 11.1 2...5VX950 32.5 to 36.3
60 2...30 1.875 1094 2B5V68 6.9 2B5V110 11.1 2...5VX950 32.5 to 36.3
TOTAL
HP
MOTOR
QTY...HP
MOTOR
SHAFT
DIA. (in.)
SPEED
RPM
MOTOR SHEAVE BLOWER SHEAVE
QTY...BELT
CENTER DISTANCE
RANGE (in.)
Part
Number
Pitch
Diameter
(in.)
Part
Number
Pitch
Diameter
(in.)
20 1...20 1.625 1104 3B5V52 5.3 3R5V85 8.5 3...5VX1000 38.1 to 41.0
25 1...25 1.875 1209 3B5V66 6.7 3R5V97 9.8 3...5VX1060 38.9 to 41.8
30 1...30 1.875 1271 3B5V60 6.1 3R5V85 8.5 3...5VX1030 38.9 to 41.8
40 1...40 2.125 1396 3B5V66 6.7 3R5V85 8.5 3...5VX1060 39.9 to 42.8