No. 41
PLAIN BORE 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. 41 Plain Bore Sprocket Diameters Type “A” Plain Bore
Type “B” Plain Bore
41
No.
MAX Bore*
Hub Dia.
No. Teeth
Outside Diameter
Pitch Diameter
Caliper Diameter
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 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 1.000 1.000
Wt. Lbs. 0.19 0.20 0.27 0.35 0.44 0.50 0.57 0.72 0.91 1.09 1.25 1.49 1.64 1.81 1.93 2.25 2.33 2.46 2.50 2.56 2.64 2.80 2.96 3.12 3.32 4.06 4.10 4.18 4.92 5.68 6.78 9.54 9.64
Pitch
1/2" 1/4"
LTB Style
1/2" Pitch: PLAIN BORE How to Order Code: Example Model # for 41 Pitch Plain Bore Carbon Steel Sprockets 41
Inside Width
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 4.200 4.418 4.580 4.740 5.060 5.380 5.860 6.020 6.650 6.970 7.450 7.930 8.880 9.840
1.307 1.462 1.618 1.775 1.932 2.089 2.247 2.405 2.563 2.721 2.879 3.038 3.355 3.513 3.672 3.672 3.831 3.989 4.148 4.307 4.465 4.783 5.101 5.578 5.737 6.373 6.691 7.168 7.645 8.599 9.544
1.002 1.134 1.312 1.451 1.626 1.768 1.941 2.086 2.257 2.403 2.573 2.722 2.890 3.040 3.207 3.357 3.525 3.675 3.842 3.994 4.159 4.477 4.794 5.266 5.431 6.067 6.385 6.858 7.339 8.294 9.246
NS NS NS NS NS NS NS
NS NS NS NS NS NS NS
0.500 0.984 ¨ 0.625 1.125 ¨ 0.750 1.250 ¨ 0.875 1.438 ¨ 0.938 1.563 ¨
0.875 0.875 0.875 0.875 0.875
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
Roller Diameter
0.306" 0.227"
Nominal Tooth Width:
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 35 36 40 42 45 48 54 60 70 72 80 84 96
1.000 1.250 1.313 1.375 1.500 1.625 1.750 1.875 1.875 2.000 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 2.750 2.750 2.750 2.750 2.750 2.750
1.563 0.875 1.750 0.875 1.906 0.875 2.063 0.875 2.234 1.000 2.375 1.000 2.469 1.000 2.750 1.000 2.875 1.000 3.000 1.000 3.188 1.000 3.250 1.000 3.250 1.000 3.250 1.000 3.250 1.000 3.250 1.000 3.250 1.000 3.250 1.000 3.250 1.000 3 .250 1.000 3.250 1.063 3.500 1.063 3.500 1.063 3.500 1.063 3.500 1.063 3.500 1.063 4.000 1.188 4.000 1.188 4.000 1.188 4.000 1.188 4.000 1.188 4.000 1.188
A 41 A
36
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 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.719 0.938 0.938
0.28 0.34 0.36 0.44 0.46 0.52 0.60 0.66 0.72 0.82 0.88 0.94 1.00 1.08 1.20 1.44 1.70 1.84 2.22 2.50 2.52 2.92 3.54 4.60 6.22 6.32 8.46 9.12
Altered !!
Chain Pitch in Inches
Hub Type
Number of Teeth
15 16 17 18 19 20
21 22 23 24 25 26 16 17 18 19 20 21 22 23
27 28 30 32 35 36 24 25 26 27 28 30 32 35
40 42 45 48 54 60 36 40 42 45 48 54 60 70
70 72 80 84 96
A: No Hub
Extension
112
8 9
72 80 84 96
A: Alteration Required
41: 1/2" Pitch
10 11 12 13 14 15
B: Hub Extension One Side
112
!! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.
TOOTH (NOMINAL) .227˝
.227˝ NOMINAL
.227˝ NOMINAL
TOOTH (NOMINAL)
TOOTH (NOMINAL)
NOMINAL
11.430 11.750 13.030 13.660 15.570 18.120
11.145 11.463 12.736 13.372 15.282 17.827
10.840 11.156 12.430 13.067 14.976 17.522
11.54 12.20 14.86 19.16
11.84 15.84
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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