No. 180
PLAIN BORE SPROCKET DIMENSIONS
All dimensions in inches unless noted.
No. 180 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
9.010
7.986
6.499
1.500
14.00
1.500
3.625
5.500
3.000
B
S
29.00
12
9.750
8.693
7.287
1.500
16.00
1.500
4.000
6.000
3.000
B
D
32.00
13
10.480
9.402
7.927
1.500
20.00
1.500
4.625
6.750
3.125
B
D
40.00
14
11.210
10.111
8.705
1.500
24.00
1.500
5.250
7.000
3.125
B
D
44.00
15
11.930
10.822
9.357
1.500
28.00
1.500
5.250
7.000
3.125
B
D
48.00
16
12.660
11.533
10.127
1.500
32.00
1.500
5.250
7.000
3.125
B
D
52.00
17
13.390
12.245
10.787
1.500
37.00
1.500
5.250
7.000
3.125
B
D
58.00
18
14.110
12.957
11.551
1.500
43.00
1.500
5.250
7.000
3.125
B
D
63.00
19
14.830
13.670
12.217
1.500
47.00
1.500
5.375
7.500
3.375
B
D
74.00
20
15.560
14.383
12.977
1.500
53.00
1.500
5.375
7.500
3.375
B
D
81.00
21
16.280
15.096
13.648
1.500
57.00
1.500
5.375
7.500
3.375
B
D
83.00
22
17.000
15.810
14.404
1.500
62.00
1.500
5.375
7.500
3.375
B
D
92.00
23
17.720
16.524
15.079
1.500
69.00
1.500
5.375
7.500
3.375
B
D
99.00
24
18.440
17.238
15.832
1.500
77.00
1.500
5.375
7.500
3.375
B
D 105.00
25
19.160
17.952
16.511
1.500
84.00
1.500
5.375
7.500
3.375
B
D 113.00
28
21.320
20.096
18.690
1.500
104.00
1.500
5.500
8.000
3.500
B
D 135.00
* Dimensions shown allow for standard keyway with set screw at 90 degrees
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