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Tolerance of DMR Shaft Seals
Seal O.D. Tolerance – Metric
| Tolerance | Tolerance | |
|---|---|---|
| Bore Diameter | Metal Cased Seal O.D. | Rubber Covered Seal O.D. |
| up to 50 | +0.20 +0.10 |
+0.30 +0.15 |
| 50 to 80 | +0.23 +0.13 |
+0.35 +0.20 |
| 80 to 120 | +0.25 +0.15 |
+0.35 +0.20 |
| 120 to 180 | +0.28 +0.18 |
+0.45 +0.25 |
| 180 to 300 | +0.30 +0.20 |
+0.45 +0.25 |
| 300 to 500 | +0.35 +0.23 |
+0.55 +0.30 |
Seal Width – Metric
| Seal Width (mm) | Tolerance |
|---|---|
| up to 10 | +/- 0.20 |
| over 10 | +/- 0.30 |
Seal O.D. Tolerance -Inch
| Bore Diameter | Metal Case | Rubber Covered Case | Metal Case | Rubber Covered Case |
|---|---|---|---|---|
| Press Fit Allowance | Press Fit Allowance | Tolerance | Tolerance | |
| up to 1.000 | +0.004 | +0.006 | +/- 0.002 | +/- 0.003 |
| 1.001 to 2.000 | +0.004 | +0.007 | +/- 0.002 | +/- 0.003 |
| 2.001 to 3.000 | +0.004 | +0.008 | +/- 0.002 | +/- 0.003 |
| 3.001 to 4.000 | +0.005 | +0.010 | +/- 0.002 | +/- 0.004 |
| 4.001 to 6.000 | +0.005 | +0.010 | +0.003 -0.002 |
+/- 0.004 |
| 6.001 to 8.000 | +0.006 | +0.010 | +0.003 -0.002 |
+/- 0.004 |
| 8.001 to 10.000 | +0.008 | +0.010 | +0.004 -0.002 |
+/- 0.004 |
| 10.001 to 20.000 | +0.008 | +0.010 | +0.006 -0.002 |
+/- 0.004 |
| 20.001 to 40.000 | +0.008 | +0.010 | +0.008 -0.002 |
+/- 0.004 |
| 40.001 to 60.000 | +0.008 | +0.010 | +0.010 -0.002 |
+/- 0.004 |
Seal Width -Inch
| Seal Width (inch) | Tolerance |
|---|---|
| up to 1.000 | +/- 0.015 |
