Tolerances
Bore Diameter
Tolerances
(Always on plus side.
Minus=.000")
| Bore Diameters |
Tolerance -.000" |
| Up to 2" |
+.002" |
| 2" to 3" |
+.003" |
| Over 3" |
+.004" |
Closer than standard bore tolerances
listed above can be had at additional cost depend-
ing upon tolerance and finish desired.
Face Run Out
(On Type A plate sprockets.)
| Outside
Diameter
|
Indicator
Reading
|
| Up to 12" |
.030" |
| 12" to 18" |
.050" |
| 18" to 24" |
.080" |
| 24" and Over |
.125" |
Eccentricity
(Measured from Bore to bottom of Teeth)
| Bottom
Diameters
|
Indicator
Reading
|
| Up to 4" |
.006" |
| 4" to 5" |
.008" |
| 5" to 7" |
.010" |
| 7" to 9" |
.012" |
| 9" to 11" |
.014" |
| 11" to 13" |
.016" |
| 13" to 15" |
.018" |
| 15" to 20" |
.020" |
| 20" to 25" |
.024" |
| 25" to 35" |
.026" |
| 35" to 45" |
.028" |
| 45" to 60" |
.032" |
| 60" to 75" |
.040" |
| 75" to 100" |
.048" |
Plate Thickness
(On Type A plate sprockets)
| Chain
No.
|
Pitch
Inches
|
Plate
Thickness
|
Tolerance |
| 35 |
3/8 |
.168" |
+.006" |
-.027" |
| 40 |
1/2 |
.284" |
+.006" |
-.035" |
| 41 |
1/2 |
.227" |
+.006" |
-.035" |
| 50 |
5/8 |
.343" |
+.007" |
-.036" |
| 60 |
3/4 |
.459" |
+.009" |
-.036" |
| 80 |
1 |
.575" |
+.015" |
-.040" |
| 100 |
1-1/4 |
.692" |
+.020" |
-.046" |
| 120 |
1-1/2 |
.924" |
+.024" |
-.057" |
| 140 |
1-3/4 |
.924" |
+.024" |
-.057" |
| 160 |
2 |
1.156" |
+.035" |
-.062" |
| 180 |
2-1/4 |
1.301" |
+.040" |
-.068" |
| 200 |
2-1/2 |
1.389" |
+.050" |
-.070" |
| 240 |
3 |
1.738" |
+.062" |
-.080" |
Standard Keyways & Standard
Setscrews
| Shaft
Diameters
|
Keyway
Width & Depth
|
Setscrew |
| 1/2" to 9/16" |
1/8" x 1/16" |
1/4" NC |
| 5/8" to 7/8" |
3/16" x 3/32" |
1/4" NC |
| 15/16" to 1-1/4" |
1/4" x 1/8" |
1/4" NC |
| 1-5/16" to 1-3/8" |
5/16" x 5/32" |
5/16" NC |
| 1-7/16" to 1-3/4" |
3/8" x 3/16" |
3/8" NC |
| 1-13/16" to 2-1/4" |
1/2" x 1/4" |
1/2" NC |
| 2-5/16" to 2-3/4" |
5/8" x 5/16" |
5/8" NC |
| 2-13/16" to 3-1/4" |
3/4" x 3/8" |
3/4" NC |
| 3-5/16" to 3-3/4" |
7/8" x 7/16" |
7/8" NC |
| 3-13/16" x 4-1/2" |
1" x 1/2" |
1" NC |
| 4-9/16" to 5-1/2" |
1-1/4" x 5/8" |
1" NC |
| 5-9/16" to 6-1/2" |
1-1/2" x 3/4" |
1" NC |
| 6-9/16" to 7-1/2" |
1-3/4" x 5/8" ** |
1" NC |
| 7-9/16" to 8-15/16" |
2" x 3/4" ** |
1" NC |
**Standard Flat Keyways.
See
our Oil Field Sprocket Photos Page:
|
