Diameter Tolerance: Refer to Material Specifications page for tolerances for each material.
All bars are checked with an insert bearing prior to shipment.
Cold Drawn Bars: -.0005, -.002" typical (+0, -.004" allowed)
TGP Bars: -.0005", -.0015" typical (+0, -.003" allowed)
Saw Cut Length Tolerance = +/- 1/16" (+/- 1/32" typical). Tighter tolerances available.
Straightness Tolerance = .012" per foot, .006" typical. Straightness is not guaranteed.
Special straightness bars available.
| ANSI Standard Keyways* |
Shaft Diamter |
|
Keyway |
| |
Over |
To (Incl.) |
|
Width |
Depth |
| |
7/16 |
9/16 |
|
1/8 |
1/16 |
| |
9/16 |
7/8 |
|
3/16 |
3/32 |
| |
7/8 |
1 1/4 |
|
1/4 |
1/8 |
| |
1 1/4 |
1 3/8 |
|
5/16 |
5/32 |
| |
1 3/8 |
1 3/4 |
|
3/8 |
3/16 |
| |
1 3/4 |
2 1/4 |
|
1/2 |
1/4 |
| |
2 1/4 |
2 3/4 |
|
5/8 |
5/16 |
| |
2 3/4 |
3 1/4 |
|
3/4 |
3/8 |
| |
3 1/4 |
3 3/4 |
|
7/8 |
7/16 |
| |
3 3/4 |
4 1/2 |
|
1 |
1/2 |
*All keyways meet the ANSI B17.1-1967 (R1998) standard.
| ANSI Standard Fits for Keys |
Key Width |
Width Tolerance |
Depth Tolerance |
| Over |
To (Incl.) |
Key |
Shaft |
Key |
Shaft |
Hub |
| |
Keyseat |
|
Keyseat |
Keyseat |
| |
- |
1/2 |
+0.000 |
+0.002 |
+0.000 |
+0.000 |
+0.010 |
| |
-0.002 |
-0.000 |
-0.002 |
-0.015 |
-0.000 |
| |
1/2 |
3/4 |
+0.000 |
+0.003 |
+0.000 |
+0.000 |
+0.010 |
| |
-0.002 |
-0.000 |
-0.002 |
-0.015 |
-0.000 |
| |
3/4 |
1 |
+0.000 |
+0.003 |
+0.000 |
+0.000 |
+0.010 |
| |
-0.003 |
-0.000 |
-0.003 |
-0.015 |
-0.000 |
