
Tooth Dimensions
The following are our standard
dimensions for American Standard chain numbers.

Tooth Dimensions
| |
Nom.Spkt.Face
(T1) |
|
Doubles
&
Triples
|
Quadruples
or More
|
Min.
Groove
Depth
|
*Tooth
Flat
|
| Chain
No.
|
Chain
Pitch
|
Roller
Diam.
|
Roller
Width
|
Single |
Dbl.
&
Triple
|
Quad.
&
Over
|
**Tol.on
T1, T2,
T3, & T4
|
C
All
Mltpls.
|
T2 |
T3 |
T2 |
T3 |
T4 |
K |
F |
| 25 |
1/4 |
.130 |
1/8 |
.110 |
|
|
-.008 |
|
|
|
|
|
|
|
1/16 |
| 35 |
3/8 |
.200 |
3/16 |
.168 |
.162 |
.159 |
-.008 |
.397 |
.559 |
.956 |
.556 |
.953 |
1.350 |
.300 |
1/8 |
| 41 |
1/2 |
.306 |
1/4 |
.221 |
|
|
-.009 |
|
|
|
|
|
|
|
3/32 |
| 40 |
1/2 |
5/16 |
5/16 |
.284 |
.175 |
.268 |
-.009 |
.564 |
.839 |
1.403 |
.832 |
1.396 |
1.960 |
.400 |
9/32 |
| 50 |
5/8 |
.400 |
3/8 |
.343 |
.331 |
.324 |
-.010 |
.710 |
1.041 |
1.751 |
1.034 |
1.744 |
2.454 |
.500 |
3/16 |
| 60 |
3/4 |
15/32 |
1/2 |
.459 |
.444 |
.434 |
-.011 |
.893 |
1.331 |
2.230 |
1.327 |
2.220 |
3.113 |
.600 |
1/4 |
| 80 |
1 |
5/8 |
5/8 |
.575 |
.556 |
.544 |
-.012 |
1.147 |
1.703 |
2.850 |
1.691 |
2.838 |
3.985 |
.800 |
9/16 |
| 100 |
1-1/4 |
3/4 |
3/4 |
.692 |
.670 |
.654 |
-.014 |
1.401 |
2.071 |
3.472 |
2.055 |
3.456 |
4.857 |
1.000 |
3/8 |
| 120 |
1-1/2 |
7/8 |
1 |
.924 |
.894 |
.874 |
-.016 |
1.781 |
2.675 |
4.472 |
2.655 |
4.436 |
6.217 |
1.190 |
9/16 |
| 140 |
1-3/4 |
1 |
1 |
.924 |
.894 |
.874 |
-.016 |
1.912 |
2.806 |
4.718 |
2.786 |
4.698 |
6.610 |
1.375 |
1/2 |
| 160 |
2 |
1-1/8 |
1-1/4 |
1.156 |
1.119 |
1.094 |
-.019 |
2.290 |
3.409 |
5.699 |
3.384 |
5.674 |
7.964 |
1.600 |
21/32 |
| 180 |
2-1/4 |
1-13/32 |
1-13/32 |
1.301 |
1.259 |
1.203 |
-.020 |
2.592 |
3.851 |
6.443 |
3.795 |
6.387 |
8.979 |
1.815 |
11/16 |
| 200 |
2-1/2 |
1-9/16 |
1-1/2 |
1.389 |
1.344 |
1.275 |
-.021 |
2.817 |
4.161 |
6.978 |
4.095 |
6.912 |
9.729 |
2.125 |
3/4 |
| 240 |
3 |
1-7/8 |
1-7/8 |
1.738 |
1.682 |
1.601 |
-.025 |
3.457 |
5.139 |
8.596 |
5.058 |
8.515 |
11.972 |
2.415 |
1 |
*Bevel depth each side is 1/2 of Pitch.
i.e.3/4"pitch sprockets are beveled 3/8" down each side.
**Tolerance is always on minus side with
.000" over on machine turned sprockets.
**Tooth thickness tolerance is greater on
Type A plate sprockets: See TOLERANCES.
See
our Oil Field Sprocket Photos Page:
|