2018-Jenkins-Catalog

JENKINS SINCE
1907
QUeSTIONS? JUST CALL JENKINS.
800-438-3003 OR ANSWERS@JENKINS.COM
KEYWAY SIZES & FAN SIZES
KEYWAYS USED IN COOLING FANS TABLE B
KEYWAY SIZE
WIDTH x DEPTH
FS x (FU-FR)
RANGE OF FAN SHAFT SIZES
USING THIS KEYWAY *
{FAN END SHAFT DIAM (FU)}
MINIMUM TYPICAL MAXIMUM
1/8” x 1/16” 1/2” 7/8” 1-1/8”
3/16” x 3/32” 3/4” 1” 2-1/4”
1/4” x 1/8” 3/4” 1-1/4” 2-1/2”
5/16” x 5/32” 7/8” 1-1/2” 2-1/2”
3/8” x 3/16” 1-1/4” 1-3/4” 3-5/8”
1/2” x 1/4” 1-7/8” 2-1/4” 4-1/8”
*NOTE: Keyways used in fans do not fit in the ranges
established by ANSI Standard B17.1 or similar charts.
Please check your own motor shaft when ordering a fan.
HORSEPOWER, SPEED & FRAME SIZE VS. COOLING FAN DIAMETER TABLE B1
COOLING FAN DIAMETER (D) IN INCHES
MOTOR HP RATING
IEC
FRAME
SIZE
NEMA
FRAME
SIZE
TWO POLE (3600 rpm) OPERATION
FOUR & SIX POLE OPERATION
APPROXIMATE
COVER SIZE
(DIAMETER)
2, 4 POLE 6 POLE
MIN TYPICAL MAX MIN TYPICAL MAX
90 140 4-3/4” 5-3/4” 6-3/8” 5-1/8” 5-3/4” 6-3/8” 7” 1, 2 1
112 180 4-3/4” 6-1/8” 6-7/8” 6-3/4” 7-1/2” 8-3/8” 9” 3, 5 1-1, 2, 2
132 210 4-3/4” 7-1/2” 8-3/4” 7-3/8” 8-1/2” 9-3/4” 10-1/2” 7-1, 2, 10 3, 5
160 250 5-3/4” 9” 10-1/8” 7-1/2” 10-1/8” 11-1/2” 12-1/2” 15, 20 7-1/2, 10
180 280 5-3/4” 9-1/8” 11” 7-1/2” 11-1/2” 13” 14” 25, 30 15, 20
200 320 5-3/4” 10-1/8” 12-1/2” * 9” 12-3/4” 14-1/2” 16” 40, 50 25, 30
225 360 7-1/2” 10-1/8” 12-1/2” * 10-1/2” 14-1/4” 15-3/4” 18” 60, 75 40, 50
250 400 7-1/2” 11-3/8” 12-1/2” * 10-1/2” 16” 17-7/8” 20” 100 60, 75
280 440 7-1/2” 11-3/8” 13” * 10-1/2” 17-1/8” 20” 22” 125UP 100UP
315 500 10” 12” 14” 12” 20” 26” 26” 250UP 200U
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