No. 80
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. 80 QD ® Sprockets
Dimensional Data QD ® Sprockets
80 1"
No. Teeth
Outside Dia.
QD ® Bushing #
MAX Bore *
Hub Dia.
Hub Type
Hub Style
Weight Lbs.
No. 80 1" Pitch: QD ®
LTB
X
Y
L
F
Pitch
Inside Width
5/8"
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 33 34 35 36 40 42 45 48 54 60
4.010 4.330 4.660 4.980 5.300 5.630 5.950 6.270 6.590 6.910 7.240 7.560 7.880 8.200 8.520 8.840 9.160 9.480
SH SH
1.688 1.688 2.000 2.000 2.625 2.625 2.625 2.625 2.625 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938 2.938
2.688 2.750 3.188 3.375 3.875 4.125 4.375 4.375 4.375 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000
0.813 0.813 0.750 0.750 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250
1.437 1.437 0.656 2.688 1.437 1.437 0.656 2.688 1.500 1.500 0.734 3.188 1.500 1.500 0.734 3.188 2.125 2.125 1.297 3.875 2.125 2.125 1.297 3.875 2.125 2.125 1.297 3.875 2.125 2.125 1.297 3.875 2.125 2.125 1.297 3.875 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625 2.250 2.250 1.422 4.625
B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B
S S S S S S S S S S S S E E E E E E E E E E E E E E E E E E
1.00 1.40 1.50 1.80 2.50 3.10 3.50 3.90 4.40 5.30 5.70 6.30 6.80 7.50 8.00 8.60 9.40
Roller Diameter
0.625" 0.575"
SDS SDS
Nominal Tooth Width:
SK SK SK SK SK SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF
A 80 SF 21 How to Order Code: Example Model # for 80 Pitch QD ® Carbon Steel Sprockets
Altered !!
Chain Pitch in Inches
Number of Teeth
QD ® Hub Type
11 12
SH: QD ® Hub 11 - 12 tooth sprocket
10.20 11.30 13.00 13.50 14.10 15.50 16.90 20.60 22.40 25.10 28.60 36.80 45.80
13 14
SDS: QD ® Hub 13 - 14 tooth sprocket
10.110 10.750 11.070 11.390 11.710 12.030 13.310 13.940 14.900 15.860 17.770 19.680
A: Alteration Required
15 16 17
18 19
80: 1" Pitch
SK: QD ® Hub 15 - 19 tooth sprocket
20
24
28
36
48
21 22 23
25 26 27
30 32 35
40 42 45
54 60
SF: QD ® Hub 20 - 60 tooth sprocket
!! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.
* Please reference QD ® bushing dimension table on page 196 for specific information on MAX Bore and keyway data.
Y
Y
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.
Y LTB
TOOTH (NOMINAL) .575˝ NOMINAL
TOOTH (NOMINAL) .575˝ NOMINAL
LTB
TOOTH (NOMINAL)
LTB
L
QD ® Bushings
Bushing #
Bore Range
SH
0.500 - 1.688" 0.500 - 2.000" 0.500 - 2.625" 0.500 - 2.938"
SDS
SK SF
L
L
X
X
STYLES TYPEB X
STYLEE TYPEB
STYLEE TYPEC
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104
105
QD ® is a registered trademark of, and is used under license agreement from Emerson Electric Co.
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