No. 80
PLAIN BORE SPROCKET DIMENSIONS
U.S. TSUBAKI STOCK SPROCKETS
HOW TO ORDER
U.S. Tsubaki Stock Sprockets
All dimensions in inches unless noted.
No. 80 Plain Bore Sprocket Dia.
Type “A” Plain Bore
Type “B” & “C” Plain Bore
Chain Data Size
80 1"
No. Teeth
Outside Dia.
Pitch Dia. 2.613 2.924 3.236 3.549 3.864 4.179 4.494 4.810 5.126 5.442 5.759 6.076 6.392 6.710 7.027 7.344 7.661 7.979 8.296 8.614 8.931 9.249 9.567 9.884 10.202 10.520 10.838 11.156 11.474 11.792 12.110 12.428 12.746 13.064 13.382 13.700 14.018 14.336 14.654 14.972 15.290 15.608 15.926 16.244 16.562 16.880 17.198 17.516 17.835 18.153 18.471 18.789 19.107 20.698 22.289 22.926 25.471 26.744 30.563 35.655
Caliper Dia.
Plain Bore
Wt. Lbs.
Plain Bore 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.250 1.250 1.250 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 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 1.500 1.500 1.500 1.500 1.500 1.500
MAX Bore *
Hub Dia.
Hub Type
Hub Style
Wt. Lbs. 1.40 1.60 2.20 3.20 3.40 3.50 4.10 5.30 5.90 6.60 7.30 7.80 8.40 9.40 10.00 10.70 11.30 11.90 14.30 15.40 16.00 17.10 17.40 18.70 19.50 19.60 21.30 22.10 23.10 23.80 24.70 25.60 26.70 27.80 28.70 29.40 29.90 31.40 33.10 34.00 35.50 35.80 37.30 38.50 39.40 41.30 44.70 45.60 47.50 48.50 50.50 52.10 54.50 61.80 75.70 81.40 89.90 99.20
No.
LTB
Pitch
1" Pitch: PLAIN BORE 80
8 9
3.010 3.350 3.680 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 9.800
1.988 2.254 2.611 2.888 3.239 3.523 3.869 4.158 4.501 4.794 5.134 5.430 5.767 6.066 6.402 6.702 7.036 7.338 7.671 7.974 8.306 8.611 8.942 9.247 9.577 9.883
N/A
N/A
1.000 1.938 ¨ 1.313 2.250 ¨ 1.500 2.563 ¨ 1.625 2.813 ¨ 1.875 3.125 ¨
1.625 1.625 1.625 1.625 1.625 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.750 1.750 1.750 1.750 1.750 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 3.500 3.500 3.500 3.500 3.500 3.500
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 B B B B B B B B B B B B B B B B B B B B B B B B C C C C C C
S S S S S S S S S S S S S S S S S S D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D
Inside Width
5/8"
0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 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 1.500 1.500 1.500 1.500 1.500 1.500
0.80 1.00 1.30 1.50 1.80 2.20 2.50 2.90 3.30 3.70 4.10 4.70
Roller Diameter
0.625" 0.575"
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 65 70 72 80 84 96
Nominal Tooth Width:
2.000 2.250 2.500 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.500 3.500 3.500 3.500 3.500 3.500 3.500 3.500 4.250 4.250 4.250 4.250 4.250 4.250
3.000 3.250 3.813 4.000 4.000 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 5.250 5.250 5.250 5.250 5.250 5.250 5.250 5.250 6.250 6.250 6.250 6.250 6.250 6.250
A 80 A 37 How to Order Code: Example Model # for 80 Pitch Plain Bore Carbon Steel Sprockets
4.900 5.500 6.300 6.700 7.200 7.800 8.600 9.300 9.800 10.70 11.30 12.10 13.60 14.30 14.80 16.10 16.80 17.20 17.90 18.90 21.00 21.80 23.60 24.30 25.20 26.60 26.40 27.80 28.90 30.90 32.20 33.00 34.90 36.60 37.50 39.40 40.40 41.30 42.90
Altered !!
Chain Pitch in Inches
Hub Type
Number of Teeth
9
22 23 24 25 26 27 28 29 30 31 32 33 34 19 20 21 22 23 24 25 26 27 28 29 76 80
35 36 37 38 39 40 41 42 43 44 45 46 47 30 31 32 33 34 35 36 37 38 39 40 84 90
48 49 50 51 52 53 54 55 56 57 59 60 65 41 42 43 44 45 46 47 48 49 50 51 96
70 72 76 80 84 90 96
10 11 12 13 14 15 16 17 18 19 20 21
10.110 10.430 10.750 11.070 11.390 11.710 12.030 12.350 12.670 12.990 13.310 13.630 13.940 14.260 14.580 14.900 15.220 15.540 15.860 16.180 16.500 16.810 17.130 17.450 17.770 18.090 18.410 18.730 19.040 19.360 19.680 21.270 22.870 23.500 26.050 27.330 31.150 36.240
A: No Hub
Extension
112
10.213 10.520 10.849 11.156 11.485 11.792 12.121 12.429 12.757 13.065 13.393 13.702 14.029 14.338 14.665 14.975 15.301 15.611 15.937 16.248 16.573 16.884 17.210 17.521 17.846 18.157 18.482 20.067 21.644 22.301 24.846 26.119 29.938 35.030
A: Alteration Required
80: 1" Pitch
8 9
52 53 54 55 56 57 58 59 60 65
10 11 12 13 14 15 16 17 18 70 72
B: Hub Extension One Side
C: Hub Extension Both Sides
112
45.30 52.20 59.80 65.70 79.60 86.10 120.00 166.00
!! Alteration field only to be denoted if a deviation from standard is required.
TOOTH (NOMINAL) .575˝ NOMINAL
TOOTH (NOMINAL) .575˝ NOMINAL
TOOTH (NOMINAL) .575˝ NOMINAL
TOOTH (NOMINAL) .575˝ NOMINAL
Please reference Alterations in engineering section, page 210.
D 117.00 D 154.00
112
* Dimensions shown allow for standard keyway with set screw at 90 degrees ¨ Has recessed groove in hub for chain clearance
LTB
LTB
LTB
TYPEA
STYLES TYPEB
STYLED TYPEB
STYLED TYPEC
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