ABEC Tolerance Data for Thin Section Bearings
Thin Section Bearings ABEC Tolerance Tables
Specifications for all tolerances shown are in .0001 inch
ABEC 1F for A and X Type Thin Section Bearings
| wdt_ID | Diameter (in)<br>Incl | Diameter (in)<br>Over | Bore Tolerance (in)<br>High | Bore Tolerance (in)<br>Low | Width Tolerance (in)<br>High | Width Tolerance (in)<br>Low | Outer Diameter<br>Tolerance (in)<br>High | Outer Diameter<br>Tolerance (in)<br>Low | Radial and<br>Axial Runout<br>Inner Max | Radial and<br>Axial Runout<br>Outer Max |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | - | 1.0 | 0 | -4 | 0.000 | -50 | 0 | -5 | 3 | 4 |
| 2 | 1 | 1.5 | 0 | -5 | 0.000 | -50 | 0 | -5 | 4 | 4 |
| 3 | 1.5 | 2.0 | 0 | -6 | 0.000 | -50 | 0 | -5 | 5 | 5 |
| 4 | 2 | 2.5 | 0 | -6 | 0.000 | -50 | 0 | -5 | 5 | 5 |
| 5 | 2.5 | 3.0 | 0 | -6 | 0.000 | -50 | 0 | -6 | 6 | 6 |
| 6 | 3 | 4.0 | 0 | -8 | 0.000 | -50 | 0 | -6 | 6 | 6 |
| 7 | 4 | 4.5 | 0 | -8 | 0.000 | -50 | 0 | -8 | 6 | 8 |
| 8 | 4.5 | 5.0 | 0 | -10 | 0.000 | -50 | 0 | -8 | 8 | 8 |
| 9 | 5 | 6.5 | 0 | -10 | 0.000 | -50 | 0 | -10 | 10 | 10 |
| 10 | 6.5 | 7.0 | 0 | -10 | 0.000 | -50 | 0 | -12 | 10 | 10 |
| 11 | 7 | 9.0 | 0 | -12 | 0.000 | -50 | 0 | -12 | 12 | 12 |
| 12 | 9 | 12.0 | 0 | -14 | 0.000 | -50 | 0 | -14 | 14 | 14 |
| 13 | 12 | 14.0 | 0 | -14 | 0.000 | -100 | 0 | -14 | 14 | 14 |
| 14 | 14 | 18.0 | 0 | -16 | 0.000 | -100 | 0 | -16 | 16 | 16 |
| 15 | 18 | 30.0 | 0 | -18 | 0.000 | -100 | 0 | -18 | 18 | 18 |
| 16 | 30 | 40.0 | 0 | -20 | 0.000 | -100 | 0 | -20 | 20 | 20 |
ABEC 1F for C Type Thin Section Bearings
| wdt_ID | Diameter (in)<br>Over | Diameter (in)<br>Incl | Bore Tolerance<br>High | Bore Tolerance<br>Low | Width Tolerance<br>High | Width Tolerance<br>Low | Outer Diameter<br>Tolerance<br>High | Outer Diameter<br>Tolerance<br>Low | Radial and<br>Axial Runout<br>Inner Max | Radial and<br>Axial Runout<br>Outer Max |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.0 | 1 | 0 | -4 | 0 | -50 | 0 | -5 | 5 | 8 |
| 2 | 1.0 | 1.5 | 0 | -5 | 0 | -50 | 0 | -5 | 6 | 8 |
| 3 | 1.5 | 2.5 | 0 | -6 | 0 | -50 | 0 | -5 | 8 | 10 |
| 4 | 2.5 | 3 | 0 | -6 | 0 | -50 | 0 | -6 | 8 | 10 |
| 5 | 3.0 | 4 | 0 | -8 | 0 | -50 | 0 | -6 | 10 | 12 |
| 6 | 4.0 | 4.5 | 0 | -8 | 0 | -50 | 0 | -8 | 10 | 14 |
| 7 | 4.5 | 5 | 0 | -10 | 0 | -50 | 0 | -8 | 12 | 14 |
| 8 | 5.0 | 6.5 | 0 | -10 | 0 | -50 | 0 | -10 | 12 | 16 |
| 9 | 6.5 | 7 | 0 | -10 | 0 | -50 | 0 | -10 | 12 | 16 |
| 10 | 7.0 | 9 | 0 | -12 | 0 | -50 | 0 | -12 | 16 | 18 |
| 11 | 9.0 | 12 | 0 | -14 | 0 | -50 | 0 | -14 | 18 | 20 |
| 12 | 12.0 | 14 | 0 | -16 | 0 | -100 | 0 | -16 | 18 | 20 |
| 13 | 14.0 | 16 | 0 | -18 | 0 | -100 | 0 | -18 | 18 | 20 |
| 14 | 16.0 | 18 | 0 | -18 | 0 | -100 | 0 | -18 | 20 | 20 |
| 15 | 18.0 | 20 | 0 | -20 | 0 | -100 | 0 | -20 | 20 | 20 |
| 16 | 20.0 | 30 | 0 | -30 | 0 | -100 | 0 | -30 | 20 | 20 |
| 17 | 30.0 | 40 | 0 | -40 | 0 | -100 | 0 | -40 | 20 | 20 |
ABEC 3F for All Thin Section Bearing Types
| wdt_ID | Diameter (in)<br>Over | Diameter (in.)<br>Incl | Bore Tolerance<br>High | Bore Tolerance<br>Low | Width Tolerance<br>High | Width Tolerance<br>Low | Outer Diameter<br>Tolerance<br>High | Outer Diameter<br>Tolerance<br>Low | Radial and<br>Axial Runout<br>Inner Max | Radial and<br>Axial Runout<br>Outer Max |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.0 | 1 | 0 | -2 | 0 | -50 | 0 | -3 | 3 | 4 |
| 2 | 1.0 | 1.5 | 0 | -3 | 0 | -50 | 0 | -3 | 4 | 4 |
| 3 | 1.5 | 2.5 | 0 | -4 | 0 | -50 | 0 | -4 | 4 | 5 |
| 4 | 2.5 | 3 | 0 | -4 | 0 | -50 | 0 | -4 | 4 | 6 |
| 5 | 3.0 | 4 | 0 | -5 | 0 | -50 | 0 | -4 | 5 | 6 |
| 6 | 4.0 | 4.5 | 0 | -5 | 0 | -50 | 0 | -5 | 5 | 8 |
| 7 | 4.5 | 5 | 0 | -6 | 0 | -50 | 0 | -5 | 6 | 8 |
| 8 | 5.0 | 6.5 | 0 | -6 | 0 | -50 | 0 | -6 | 6 | 9 |
| 9 | 6.5 | 7 | 0 | -6 | 0 | -50 | 0 | -7 | 6 | 10 |
| 10 | 7.0 | 9 | 0 | -7 | 0 | -50 | 0 | -7 | 8 | 10 |
| 11 | 9.0 | 11 | 0 | -8 | 0 | -50 | 0 | -8 | 10 | 12 |
| 12 | 11.0 | 12 | 0 | -8 | 0 | -50 | 0 | -9 | 10 | 14 |
| 13 | 12.0 | 14 | 0 | -8 | 0 | -100 | 0 | -9 | 12 | 14 |
| 14 | 14.0 | 18 | 0 | -9 | 0 | -100 | 0 | -10 | 14 | 16 |
| 15 | 18.0 | 20 | 0 | -10 | 0 | -100 | 0 | -12 | 16 | 18 |
ABEC 5F for All Thin Section Bearing Types
| wdt_ID | Diameter (in)<br>Over | Diameter (in)<br>Incl | Bore Tolerance<br>High | Bore Tolerance<br>Low | Width Tolerance<br>High | Width Tolerance<br>Low | Outer Diameter<br>Tolerance<br>High | Outer Diameter<br>Tolerance<br>Low | Radial Runout<br>Inner Max | Radial Runout<br>Outer Max | Axial Runout<br>Inner Max | Axial Runout<br>Outer Max |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.0 | 1.5 | 0 | -2 | 0 | -50 | 0 | -2 | 2 | 2 | 3 | 3 |
| 2 | 1.5 | 2.5 | 0 | -3 | 0 | -50 | 0 | -3 | 2 | 3 | 3 | 4 |
| 3 | 2.5 | 3.0 | 0 | -3 | 0 | -50 | 0 | -3 | 2 | 4 | 3 | 5 |
| 4 | 3.0 | 4.0 | 0 | -3 | 0 | -50 | 0 | -3 | 3 | 4 | 4 | 5 |
| 5 | 4.0 | 4.5 | 0 | -3 | 0 | -50 | 0 | -4 | 3 | 4 | 4 | 5 |
| 6 | 4.5 | 5.0 | 0 | -4 | 0 | -50 | 0 | -4 | 3 | 4 | 4 | 5 |
| 7 | 5.0 | 7.0 | 0 | -4 | 0 | -50 | 0 | -5 | 3 | 5 | 4 | 6 |
| 8 | 7.0 | 9.0 | 0 | -5 | 0 | -50 | 0 | -5 | 4 | 5 | 5 | 6 |
| 9 | 9.0 | 11.0 | 0 | -5 | 0 | -50 | 0 | -5 | 5 | 6 | 6 | 7 |
| 10 | 11.0 | 12.0 | 0 | -5 | 0 | -50 | 0 | -6 | 5 | 7 | 6 | 8 |
| 11 | 12.0 | 14.0 | 0 | -6 | 0 | -100 | 0 | -6 | 5 | 7 | 7 | 8 |
| 12 | 14.0 | 18.0 | 0 | -6 | 0 | -100 | 0 | -7 | 7 | 8 | 8 | 9 |
| 13 | 18.0 | 20.0 | 0 | -7 | 0 | -100 | 0 | -8 | 8 | 9 | 9 | 10 |
ABEC 7F for All Thin Section Bearing Types
| wdt_ID | Diameter (in)<br>Over | Diameter (in)<br>Incl | Bore Tolerance<br>High | Bore Tolerance<br>Low | Width Tolerance<br>High | Width Tolerance<br>Low | Outer Diameter<br>Tolerance<br>High | Outer Diameter<br>Tolerance<br>Low | Radial and<br>Axial Runout<br>Inner Max | Radial and<br>Axial Runout<br>Outer Max |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.0 | 1.0 | 0 | -1.5 | 0 | -50 | 0 | -2 | 1.5 | 2 |
| 2 | 1.0 | 2.5 | 0 | -2.0 | 0 | -50 | 0 | -2 | 1.5 | 2 |
| 3 | 2.5 | 3.0 | 0 | -2.0 | 0 | -50 | 0 | -3 | 1.5 | 2 |
| 4 | 3.0 | 4.0 | 0 | -2.5 | 0 | -50 | 0 | -3 | 2.0 | 2 |
| 5 | 4.0 | 4.5 | 0 | -2.5 | 0 | -50 | 0 | -4 | 2.0 | 3 |
| 6 | 4.5 | 6.5 | 0 | -3.0 | 0 | -50 | 0 | -4 | 3.0 | 3 |
| 7 | 6.5 | 7.0 | 0 | -3.0 | 0 | -50 | 0 | -4 | 3.0 | 4 |
| 8 | 7.0 | 9.0 | 0 | -4.0 | 0 | -50 | 0 | -4 | 3.0 | 4 |
| 9 | 9.0 | 11.0 | 0 | -5.0 | 0 | -50 | 0 | -5 | 4.0 | 4 |
| 10 | 11.0 | 12.0 | 0 | -5.0 | 0 | -50 | 0 | -5 | 4.0 | 5 |
| 11 | 12.0 | 14.0 | 0 | -5.0 | 0 | -100 | 0 | -6 | 4.0 | 5 |
* If other than a pair of bearings is involved, the tolerances are in proportion to the number of bearings.