No. 140
QD ® SPROCKET DIMENSIONS
U.S. TSUBAKI STOCK SPROCKETS
HOW TO ORDER
U.S. Tsubaki Stock Sprockets
All dimensions in inches unless noted.
Chain Data Size
No. 140 QD ® Sprockets
Dimensional Data QD ® Sprockets
140
No. Teeth
Outside Dia.
QD ® Bushing #
MAX Bore *
Hub Dia.
Hub Type
Hub Style
Weight Lbs.
140 No.
LTB
X
Y
L
F
Pitch
1 3/4" 1.000" 1.000" 0.924"
Inside Width
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 30 35 36 40 45 48 54 60 70 80
7.010 7.580 8.150 8.720 9.280 9.850
SF SF SF
2.938 2.938 2.938 3.500 3.500 3.500 3.500 3.500 3.500 3.500 3.500 3.500 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.500 4.500 4.500 4.500 4.500 5.500 5.500
4.438 4.875 5.000 6.125 6.125 6.250 6.250 6.250 6.250 6.250 6.250 6.250 7.000 7.000 7.000 7.000 7.000 7.000 7.000 8.000 8.000 8.000 8.000 8.000 10.000 10.000
1.250 1.250 1.250 1.625 1.625 1.625 1.625 1.625 1.625 1.625 1.625 1.625 2.500 2.500 2.500 2.500 2.500 2.500 2.500 3.188 3.188 3.188 3.188 3.188 5.188 5.188
2.250 2.250 2.250 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 4.000 4.000 4.000 4.000 4.000 4.000 4.000 5.000 5.000 5.000 5.000 5.000 6.750 6.750
2.250 1.098 4.625 2.250 1.098 4.625 2.250 1.098 4.625 2.625 1.563 6.000 2.625 1.563 6.000 2.625 1.563 6.000 2.625 1.563 6.000 2.625 1.563 6.000 2.625 1.563 6.000 2.625 1.563 6.000 2.625 1.563 6.000 2.625 1.563 6.000 3.625 2.563 6.625 3.625 2.563 6.625 3.625 2.563 6.625 3.625 2.563 6.625 3.625 2.563 6.625 3.625 1.000 6.625 3.625 1.000 6.625 4.500 1.188 7.250 4.500 1.188 7.250 4.500 1.188 7.250 4.500 1.188 7.250 4.500 1.188 7.250 6.750 2.906 9.000 6.750 2.906 9.000
B B B
S S S S S E E E E E E E E E E E E E E E E E E E E E
5.60 7.40 8.90
Roller Diameter
1 ¾ " Pitch: QD ®
Nominal Tooth Width:
E E E E E E E E E F F F F F F F J J J J J
B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
11.60 14.20 15.90 18.00 19.60 22.00 24.60 27.60 29.50 36.40 40.10 42.30 46.50 60.40 78.00 84.00 98.00
A 140 SF 13 How to Order Code: Example Model # for 140 Pitch QD ® Carbon Steel Sprockets
10.410 10.980 11.540 12.100 12.660 13.220 13.780 14.340 14.900 15.460 17.700 20.490 21.050 23.290 26.080 27.750 31.100 34.440 40.020 45.590
Altered !!
Chain Pitch in Inches
Number of Teeth
QD ® Hub Type
11 12 14 15 23 24
13
SF: QD ® Hub 11 - 13 tooth sprocket E: QD ® Hub 14 - 22 tooth sprocket F: QD ® Hub 23 - 36 tooth sprocket J: QD ® Hub 40 - 60 tooth sprocket
16 17 25 26
18 19 30 35
20 21 36
22
C C C C C C C
A: Alteration Required
140: 1¾" Pitch
120.00 129.00 149.00 185.00 264.00 348.00
40
48
60
45
54
M: QD ® Hub 70 & 80 tooth sprocket 70 80 !! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.
M M
C1 C1
* Please reference QD ® bushing dimension table on page 196 for specific information on MAX Bore and keyway data.
Y
Y
Y
Y LTB
TOOTH (NOMINAL) .924˝ NOMINAL
TOOTH (NOMINAL) .924˝ NOMINAL
LTB
LTB
TOOTH (NOMINAL) .924˝ NOMINAL
LTB
TOOTH (NOMINAL) .924˝ NOMINAL
QD ® bushing is not included with the sprocket. They are to be ordered separately. Please refer to the table below for general guidelines. Specific details are found in the Bushing Section of this catalog beginning on page 188.
L
QD ® Bushings
Bushing #
Bore Range
SF
0.500 - 2.938" 0.875 - 3.500" 1.000 - 4.000" 1.500 - 4.500" 2.000 - 5.500"
E F J
L
L
L
X
M
X
X
STYLES TYPEB X
STYLEE TYPEB1
STYLEE TYPEC
STYLEE TYPEC1
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QD ® is a registered trademark of, and is used under license agreement from Emerson Electric Co.
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