- Interchangeable With :
- Martin
NO.120 - 1-12"PITCH
217 Products
NO.120 - 1-12"PITCH
Part Number
Number Of Teeth
For Roller Chain Trade Size
Pitch Diameter
Bore Dia
OD
Bore Max
Chain Pitch
Hub Dia
Hub Length Thru
Type
WT.lb(APPROX)
Material
>
Part Number
Number Of Teeth
For Roller Chain Trade Size
Pitch Diameter
Bore Dia
OD
Bore Max
Chain Pitch
Hub Dia
Hub Length Thru
Type
WT.lb(APPROX)
Material
>
120A10
10
120
-
1.25"
-
-
1.5"
-
-
A
3.8 lbs
Steel
120A11
11
120
-
1.25"
-
-
1.5"
-
-
A
4.8 lbs
Steel
120A12
12
120
-
1.25"
-
-
1.5"
-
-
A
5.8 lbs
Steel
120A13
13
120
-
1.25"
-
-
1.5"
-
-
A
6.7 lbs
Steel
120A14
14
120
-
1.25"
-
-
1.5"
-
-
A
8 lbs
Steel
120A15
15
120
-
1.25"
-
-
1.5"
-
-
A
9.1 lbs
Steel
120A16
16
120
-
1.25"
-
-
1.5"
-
-
A
10.6 lbs
Steel
120A17
17
120
-
1.25"
-
-
1.5"
-
-
A
12.6 lbs
Steel
120A18
18
120
-
1.25"
-
-
1.5"
-
-
A
13.6 lbs
Steel
120A19
19
120
-
1.25"
-
-
1.5"
-
-
A
15.1 lbs
Steel
120A20
20
120
-
1.25"
-
-
1.5"
-
-
A
16.9 lbs
Steel
120A21
21
120
-
1.25"
-
-
1.5"
-
-
A
18.7 lbs
Steel
120A22
22
120
-
1.25"
-
-
1.5"
-
-
A
20 lbs
Steel
120A23
23
120
-
1.25"
-
-
1.5"
-
-
A
22.1 lbs
Steel
120A24
24
120
-
1.25"
-
-
1.5"
-
-
A
24.8 lbs
Steel
120A25
25
120
-
1.25"
-
-
1.5"
-
-
A
26.8 lbs
Steel
120A8
8
120
-
1.25"
-
-
1.5"
-
-
A
2.4 lbs
Steel
120A9
9
120
-
1.25"
-
-
1.5"
-
-
A
3 lbs
Steel
120B15
15
120
-
1.25"
7.96"
3.25"
1.5"
4.75"
2.375"
B
16.7 lbs
Steel
120B16
16
120
-
1.25"
8.44"
3.5"
1.5"
5.25"
2.375"
B
19.9 lbs
Steel
120B17
17
120
-
1.25"
8.92"
3.5"
1.5"
5.25"
2.375"
B
20.8 lbs
Steel
120B18
18
120
-
1.25"
9.41"
3.5"
1.5"
5.25"
2.375"
B
22.2 lbs
Steel
120B19
19
120
-
1.25"
9.89"
3.5"
1.5"
5.25"
2.375"
B
24.8 lbs
Steel
120B20
20
120
-
1.25"
10.37"
3.5"
1.5"
5.25"
2.375"
B
25.8 lbs
Steel
120B21
21
120
-
1.25"
10.85"
3.5"
1.5"
5.25"
2.375"
B
26.7 lbs
Steel
120B22
22
120
-
1.25"
11.33"
3.5"
1.5"
5.25"
2.375"
B
28.2 lbs
Steel
120B23
23
120
-
1.25"
11.81"
3.5"
1.5"
5.25"
2.375"
B
30.3 lbs
Steel
120B24
24
120
-
1.25"
12.29"
3.5"
1.5"
5.25"
2.375"
B
32.1 lbs
Steel
120B25
25
120
-
1.25"
12.77"
3.5"
1.5"
5.25"
2.375"
B
34.6 lbs
Steel
120B10
10
120
-
1.375"
5.52"
2.25"
1.5"
3.75"★
2.25"
B
7.1 lbs
Steel
120B11
11
120
-
1.375"
6.01"
2.375"
1.5"
3.5625"
2.125"
B
7.6 lbs
Steel
120B12
12
120
-
1.375"
6.5"
2.75"
1.5"
4.125"
2.125"
B
9.9 lbs
Steel
120B13
13
120
-
1.375"
6.99"
3"
1.5"
4.5625"
2.25"
B
12.4 lbs
Steel
120B14
14
120
-
1.375"
7.47"
3.25"
1.5"
4.75"
2.25"
B
14.4 lbs
Steel
120B9
9
120
-
1.375"
5.02"
1.8125"
1.5"
3.375"★
2.25"
B
5.3 lbs
Steel
120C11
11
120
-
1.375"
6.01"
2.375"
1.5"
3.5625"
3.375"
C
12.45 lbs
Steel
120C12
12
120
-
1.375"
6.5"
2.75"
1.5"
4.8125"
3.375"
C
14.8 lbs
Steel
120C13
13
120
-
1.375"
6.99"
3"
1.5"
4.625"
3.375"
C
17.15 lbs
Steel
120C14
14
120
-
1.375"
7.47"
3.25"
1.5"
4.75"
3.375"
C
19.5 lbs
Steel
DS120A15
15
120
7.215"
1.4375"
7.96"
3.75"
1.5"
-
-
A
30 lbs
Steel
DS120A16
16
120
7.689"
1.4375"
8.44"
4"
1.5"
-
-
A
34 lbs
Steel
DS120A17
17
120
8.163"
1.4375"
8.92"
4.4375"
1.5"
-
-
A
37 lbs
Steel
DS120A18
18
120
8.638"
1.4375"
9.41"
5.1875"
1.5"
-
-
A
42 lbs
Steel
DS120A19
19
120
9.113"
1.4375"
9.89"
5.5"
1.5"
-
-
A
47 lbs
Steel
DS120A20
20
120
9.589"
1.4375"
10.37"
5.9375"
1.5"
-
-
A
51 lbs
Steel
120A26
26
120
-
1.5"
-
-
1.5"
-
-
A
28.3 lbs
Steel
120A27
27
120
-
1.5"
-
-
1.5"
-
-
A
30.9 lbs
Steel
120A28
28
120
-
1.5"
-
-
1.5"
-
-
A
33.6 lbs
Steel
120A30
30
120
-
1.5"
-
-
1.5"
-
-
A
39 lbs
Steel
120A32
32
120
-
1.5"
-
-
1.5"
-
-
A
43.9 lbs
Steel
