272
Part numbers and illustrations are for identification only
© 1971-2010 w.d. armstrong corp.
FAN BLADES
For ventilators, coolers, space heaters, refrigerators, freezers, any
small air handling application. Select correct size and rotation
from the chart shown below. Rotation is determined facing the dis-
charge side of the blade.
Part No.
Rot.
Shaft Size Dia.
FB175
CCW
1/4"
5½"
FB178
CW
3/16"
6"
FB179
CW
7/32"
6"
FB180
CW
1/4"
6"
FB181
CCW
3/16"
6"
FB182
CCW
7/32"
6"
FB187
CW
7/32"
6½"
FB188
CW
1/4"
6½"
FB189
CCW
3/16"
6½"
FB191
CCW
1/4"
6½"
ALUMINUM FAN BLADES
With Set Screw
Rotation determined by facing air discharge. Illustration Is CCW
Part No.
Rot.
Shaft Size
Dia.
FB153
CCW
1/4"
4"
FB156
CW
3/16"
4½"
FB157
CW
1/4"
4½"
FB158
CCW
3/16"
4½"
FB162
CW
3/16"
5"
FB163
CW
7/32"
5"
FB165
CCW
3/16"
5"
FB167
CCW
1/4"
5"
FB170
CW
3/16"
5½"
HUBLESS FAN BLADES
Part No.
Rot.
Size
Type
Blades
*FB101
CW
6"
BLOWER
4
FB104
CW
7"
SUCTION
5
FB103
CCW
7"
BLOWER
5
FB106
CW
8"
SUCTION
5
FB105
CCW
8"
BLOWER
5
FB107
CW
8¾"
SUCTION
3
FB109
CW
10"
SUCTION
4
FB108
CCW
10”
BLOWER
4
*DEEP PITCH FOR SPECIAL APPLICATIONS
Quiet propeller fan blade, hubless, for unit bearing fan motors
The illustration is of a COUNTER
CLOCKWISE blade. Note that when
you face this blade, it must be rotat-
ed COUNTER CLOCKWISE in order
to blow air toward you.
Blade
CW-White CCW-Grey No. of
Dia.
Shaft Part No.
Part No. Blades
3
3/16
FB301
-
4
3
3/16
-
FB302
4
3½
3/16
FB350
-
4
4
Hub
-
FB352
4
4
Hub
-
FB353
4
4
1/8
FB401
-
5
4
1/8
-
FB403
5
4
3/16
FB402
-
5
4
3/16
-
FB404
5
4½
1/8
-
FB450
5
5
3/16
FB501
FB504
5
Blade
CW-WhiteCCW-Grey No. of
Dia. Shaft
Part No.
Part No.
Blades
5
5/16
FB503
-
5
5½
3/16
-
FB550
4
5½
1/4
-
FB551
5
6
3/16
FB601
FB604
4
6
1/4
FB602
FB605
4
6½
3/16
FB650
-
5
6½
1/4
FB651
-
5
7
1/4
FB701
FB703
5
7
5/16
FB702
-
5
7½
Hub
FB718
-
5
PLASTIC FAN BLADES
