NO.
Teeth |
Catalog
Number |
Bushing |
Diameter |
Max.
Bore |
Dimensions |
Type |
Weight(Approx.) |
Outside
Diameter |
Pitch
Diameter |
L |
C |
Rim
Only |
Bushing
Only |
10
11
12
13
14
15 |
80BTB10
80BTB11
80BTB12
80BTB13
80BTB14
80BTB15 |
1215
1215
1615
1615
1615
1615 |
3.678
4.006
4.332
4.657
4.982
5.305 |
3.236
3.549
3.864
4.179
4.494
4.810 |
1 1/4
1 1/4
1 5/8
1 5/8
1 5/8
1 5/8 |
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2 |
2 3/8
2 15/32
3
3
3 1/4
3 1/4 |
B,D
B,D
B,D
B,D
B,D
B,D |
1.1
1.5
1.8
2.3
2.5
2.7 |
.8
.8
1.2
1.2
1.2
1.2 |
16
17
18
19
20 |
80BTB16
80BTB17
80BTB18
80BTB19
80BTB20 |
2012
2012
2012
2012
2517 |
5.627
5.950
6.271
6.593
6.914 |
5.126
5.442
5.759
6.076
6.392 |
2
2
2
2
2 1/2 |
1 1/4
1 1/4
1 1/4
1 1/4
1 3/4 |
3 9/16
3 9/16
3 9/16
3 9/16
4 1/4 |
B,D
B,D
B,D
B,D
B,D |
2.8
3.1
2.6
4.1
5.5 |
1.7
1.7
1.7
1.7
1.7 |
21
22
23
24
25 |
80BTB21
80BTB22
80BTB23
80BTB24
80BTB25 |
2517
2517
2517
2517
2517 |
7.235
7.555
7.875
8.196
8.516 |
6.710
7.027
7.344
7.661
7.979 |
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2 |
1 3/4
1 3/4
1 3/4
1 3/4
1 3/4 |
4 1/4
4 1/4
4 1/4
4 1/4
4 1/4 |
B,D
B,D
B,D
B,D
B,D |
6.0
6.5
7.0
7.5
8.1 |
3.5
3.5
3.5
3.5
3.5 |
26
27
28
30
32 |
80BTB26
80BTB27
80BTB28
80BTB30
80BTB32 |
2517
2517
2517
2517
2517 |
8.836
9.156
9.475
10.114
10.753 |
8.296
8.614
8.931
9.567
10.202 |
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2 |
1 3/4
1 3/4
1 3/4
1 3/4
1 3/4 |
4 1/4
4 1/4
4 1/4
4 1/4
4 1/4 |
B,D
B,D
B,D
B,D
B,D |
8.8
9.0
9.5
11.5
12.0 |
3.5
3.5
3.5
3.5
3.5 |
35
36
40
45
48
54 |
80BTB35
80BTB36
80BTB40
80BTB45
80BTB48
80BTB54 |
2517
2517
2517
2517
2517
2517 |
11.711
12.030
13.306
14.901
15.857
17.769 |
11.156
11.474
12.746
14.336
15.290
17.198 |
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2 |
1 3/4
1 3/4
1 3/4
1 3/4
1 3/4
1 3/4 |
4 1/4
4 1/4
4 1/4
4 1/4
4 1/4
4 1/4 |
B,D
B,D
B,D
B,D
B,D
B,D |
15.2
17.0
21.0
26.5
29.5
38.5 |
3.5
3.5
3.5
3.5
3.5
3.5 |
60
70
80 |
80BTB60
80BTB70
80BTB80 |
2517
3020
3020 |
19.681
22.867
26.052 |
19.107
22.289
25.471 |
2 1/2
3
3 |
1 3/4
2
2 |
4 1/4
5 1/4
5 1/4 |
B,D
B,D
B,D |
45.0
52.3
69.2 |
3.5
6.5
6.5 |
| £ªHAS RECESSED GROOVE IN HUB FOR CHAIN CLEARANCE. |