No. 2080
PLAIN BORE SPROCKET DIMENSIONS
All dimensions in inches unless noted.
No. 2080 Plain Bore Sprocket Dia.
Type “A” Plain Bore
Type “B” Plain Bore
No. Teeth
Outside Dia.
Pitch Dia.
Caliper Dia.
Plain Bore
Wt. Lbs.
Plain Bore
MAX Bore *
Hub Dia.
Hub Type
Hub Style
Wt. Lbs.
LTB
11
4.010
3.694
3.074
N/A
N/A
1.000 1.500 2.813 ¨
1.625
B
S
2.50
1.625
B
S
3.20
12
4.330
4.000
3.375
N/A
N/A
1.000 1.688 3.125 ¨
13
4.660
4.304
3.647
N/A
N/A
1.000 1.781 2.781 1.500
B
S
3.20
14
4.980
4.610
3.985
N/A
N/A
1.000 2.125 3.125 1.500
B
S
4.00
15
5.300
4.917
4.265
N/A
N/A
1.000 2.281 3.453 1.500
B
S
4.80
16
5.630
5.226
4.601
0.938
3.10
1.000 2.531 3.797 1.500
B
D
5.70
17
5.960
5.536
4.888
0.938
3.40
1.000 2.750 4.000 1.500
B
D
6.40
18
6.270
5.848
5.223
0.938
3.80
1.000 2.750 4.250 1.500
B
D
7.40
19
6.590
6.160
5.513
0.938
4.30
1.000 2.750 4.250 1.500
B
D
7.70
20
6.910
6.472
5.845
0.938
4.80
1.000 2.750 4.250 1.500
B
D
8.30
21
7.230
6.785
6.141
0.938
5.30
1.000 2.750 4.250 1.750
B
D
9.40
22
7.560
7.099
6.474
0.938
5.80
1.000 2.750 4.250 1.750
B
D 10.00
23
7.880
7.413
6.770
0.938
6.40
1.000 2.750 4.250 1.750
B
D 10.50
24
8.200
7.727
7.102
0.938
7.10
1.000 2.750 4.250 1.750
B
D 11.10
25
8.520
8.042
7.401
0.938
7.50
1.000 2.750 4.250 1.750
B
D 12.00
26
8.840
8.357
7.732
1.188
8.30
1.250 3.250 4.750 2.000
B
D 14.80
28
9.480
8.988
8.363
1.188
9.20
1.188 3.250 4.750 2.000
B
D 16.60
30
10.110
9.620
8.995
1.188
10.70
1.188 3.250 4.750 2.000
B
D 17.80
* Dimensions shown allow for standard keyway with set screw at 90 degrees ¨ Has recessed groove in hub for chain clearance N/A = Non applicable/Not Available as standard
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