No. 40
STAINLESS STEEL SPROCKET DIMENSIONS
All dimensions in inches unless noted.
No. 40 Stainless Steel Sprocket Diameters Type “A” Plain Bore
Type “B” Plain Bore
MAX Bore *
No. Teeth
Outside Diameter
Pitch Diameter
Caliper Diameter
Plain Bore
Wt. Lbs.
Plain Bore
Hub Dia.
Hub Style
Wt. Lbs.
LTB
10
1.840
1.618
1.305
N/A
N/A
0.500
0.750 1.250 ¨
0.875
S 0.28
11
2.000
1.775
1.444
N/A
N/A
0.500
0.813 1.375 ¨
0.875
S 0.36
12
2.170
1.932
1.620
N/A
N/A
0.500
0.938 1.563 ¨
0.875
S 0.44
13
2.330
2.089
1.761
N/A
N/A
0.500
1.063 1.563 0.875
S 0.50
14
2.490
2.247
1.934
N/A
N/A
0.500
1.125 1.688 0.875
S 0.60
15
2.650
2.405
2.079
N/A
N/A
0.500
1.250 1.813 0.875
S 0.68
16
2.810
2.563
2.250
N/A
N/A
0.625
1.375 2.000 0.875
S 0.82
17
2.980
2.721
2.397
N/A
N/A
0.625
1.438 2.125 1.000
S 1.06
18
3.140
2.879
2.567
N/A
N/A
0.625
1.500 2.313 1.000
S 1.24
19
3.300
3.038
2.715
N/A
N/A
0.625
1.750 2.500 1.000
S 1.42
20
3.460
3.196
2.883
N/A
N/A
0.625
1.875 2.625 1.000
S 1.60
21
3.620
3.355
3.033
N/A
N/A
0.625
1.875 2.750 1.000
S 1.68
22
3.780
3.513
3.201
N/A
N/A
0.625
1.875 2.875 1.000
S 1.81
23
3.940
3.672
3.351
N/A
N/A
0.625
2.000 3.000 1.000
S 2.18
24
4.100
3.831
3.518
0.594
0.80
0.625
2.250 3.250 1.000
D 2.20
25
4.260
3.989
3.669
N/A
N/A
0.625
2.250 3.250 1.000
D 2.39
26
4.420
4.148
3.835
0.594
1.31
0.625
2.250 3.250 1.000
D 2.40
28
4.740
4.465
4.153
0.594
1.35
0.625
2.250 3.250 1.000
D 2.75
30
5.060
4.783
4.471
0.594
1.39
0.625
2.250 3.250 1.000
D 2.88
35
5.860
5.578
5.260
0.594
1.92
0.625
2.250 3.250 1.000
D 3.32
40
6.650
6.373
6.061
0.719
2.36
0.750
2.375 3.500 1.000
D 4.28
45
7.450
7.168
6.851
0.719
3.13
0.750
2.375 3.500 1.000
D 4.68
60
9.840
9.554
9.241
0.719
5.50
0.750
2.375 3.500 1.000
D 7.00
* Dimension depicted allows for standard keyway with set screw at 90 degrees ¨ Has recessed groove in hub for chain clearance N/A = Not Available
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