No. 40
PLAIN BORE SPROCKET DIMENSIONS
U.S. TSUBAKI STOCK SPROCKETS
HOW TO ORDER
U.S. Tsubaki Stock Sprockets
All dimensions in inches unless noted.
No. 40 Plain Bore Sprocket Dia.
Type “A” Plain Bore
Type “B” Plain Bore
Chain Data Size
40
No. Teeth
Outside Dia.
Pitch Dia. 1.307 1.462 1.618 1.775 1.932 2.089 2.247 2.405 2.563 2.721 2.879 3.038 3.196 3.355 3.513 3.672 3.831 3.989 4.148 4.307 4.465 4.625 4.783 4.942 5.101 5.260 5.419 5.578 5.737 5.896 6.055 6.214 6.373 6.532 6.691 6.850 7.009 7.168 7.327 7.486 7.645 7.804 7.963 8.124 8.281 8.440 8.599 8.758 8.917 9.077 9.235 9.395 9.554 11.145 11.463 12.736 13.372 15.282 17.827
Caliper Dia.
Plain Bore
Wt. Lbs.
Plain Bore 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 1.000 1.000
MAX Bore *
Hub Dia.
Hub Style
Wt. Lbs. 0.18 0.20 0.27 0.35 0.45 0.50 0.59 0.70 0.79 1.04 1.22 1.43 1.56 1.73 1.96 2.13 2.41 2.54 2.58 2.66 2.73 2.80 2.98 3.10 3.16 3.22 3.30 3.46 3.58 3.62 3.70 3.76 4.69 4.76 4.82 5.12 5.15 5.30 5.57 5.44 5.84 5.90 5.95 6.08 6.28 6.33 6.42 6.46 6.89 7.02 7.35 7.45 7.86 11.00 11.50 13.40 14.04 17.56 22.56
No.
LTB
Pitch
1/2"
1/2" Pitch: PLAIN BORE 40
8 9
1.510 1.670 1.840 2.000 2.170 2.330 2.490 2.650 2.810 2.980 3.140 3.300 3.460 3.620 3.780 3.940 4.100 4.260 4.420 4.580 4.740 4.900 5.060 5.220 5.380 5.540 5.700 5.860 6.020 6.180 6.330 6.490 6.660 6.810 6.970 7.130 7.290 7.450 7.610 7.770 7.930 8.090 8.250 8.410 8.570 8.730 8.890 9.040 9.200 9.360 9.520 9.680
0.995 1.127 1.305 1.444 1.620 1.761 1.934 2.079 2.250 2.397 2.567 2.715 2.883 3.033 3.201 3.351 3.518 3.669 3.835 3.987 4.153 4.305 4.471 4.623 4.788 4.941 5.107 5.260 5.425 5.578 5.742 5.896 6.061 6.214 6.379 6.532 6.696 6.851 7.014 7.169 7.332 7.487 7.650 7.805 7.968 8.124 8.286 8.442 8.605 8.760 8.924 9.078
NS NS NS NS
NS NS NS NS
0.500 0.984 ¨ 0.563 1.063 ¨ 0.750 1.250 ¨ 0.875 1.375 ¨ 1.000 1.563 ¨
0.875 0.875 0.875 0.875 0.875 0.875 0.875 0.875 0.875 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 1.000 1.000 1.000 1.000 1.000 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.125 1.250 1.250 1.250 1.250 1.250 1.250
S S 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 E E E E E E E E E E E E E E E E E E E E E E E E E E E
Inside Width
5/16"
Roller Diameter
0.312" 0.284"
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 70 72 80 84 96
Nominal Tooth Width:
0.500 0.500 0.500 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.594 0.594 0.594 0.594 0.594 0.594 0.594 0.594 0.594 0.594 0.594 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.938 0.938
0.18 0.22 0.25 0.30 0.34 0.36 0.44 0.46 0.56 0.58 0.66 0.72 0.82 0.88 0.94 0.98 1.10 1.22 1.25 1.40 1.48 1.56 1.64 1.70 1.84 1.92 2.00 2.02 2.22 2.42 2.50 2.80 2.85 3.15 3.25 3.32 3.22 3.44 3.62 3.94 4.08 4.24 4.44 4.54 4.84 5.00 5.12 5.30 5.48 7.24 7.74
1.063 1.125 1.250 1.375 1.438 1.500 1.750 1.875 1.875 1.875 2.000 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.375 2.750 2.750 2.750 2.750 2.750 2.750
1.563 1.688 1.813 2.000 2.125 2.313 2.500 2.625 2.750 2.875 3.000 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 3.500 3.500 3.500 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
How to Order Code: Example Model # for 40 Pitch Plain Bore Carbon Steel Sprockets
A 40 A
96
Altered !!
Chain Pitch in Inches
Hub Type
Number of Teeth
12 13 14 15 16 17 18 19 20 21 22
23 24 25 26 27 28 29 30 31 32 33 20 21 22 23 24 25 26 27 28 29 30 31
34 35 36 37 38 39 40 41 42 43 44 32 33 34 35 36 37 38 39 40 41 42 43
45 46 47 48 49 50 51 52 53 54 55 44 45 46 47 48 49 50 51 52 53 54 55
56 57 58 59 60 70 72 80 84 96
A: No Hub
Extension
112
A: Alteration Required
8 9
56 57 58 59 60 70 72 80 84 96
40: 1/2" Pitch
10 11 12 13 14 15 16 17 18 19
3.500 1 .125
B: Hub Extension One Side
112
9.840 11.430 11.750 13.030 13.660 15.570 18.120
9.241 10.832 11.151 12.423 13.059 14.969 17.515
!! Alteration field only to be denoted if a deviation from standard is required.
TOOTH (NOMINAL) .284˝ NOMINAL
TOOTH (NOMINAL) .284˝ NOMINAL
TOOTH (NOMINAL) .284˝ NOMINAL
10.20 10.07 12.15 20.00
Please reference Alterations in engineering section, page 210.
112
* Dimensions shown allow for standard keyway with set screw at 90 degrees ¨ Has recessed groove in hub for chain clearance NS = Non Stock
LTB
LTB
TYPEA
STYLES TYPEB
STYLEE TYPEB
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