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- Ball Bearing Radial Internal Clearance
Ball Bearing Radial Internal Clearance
- C/1 - Internal Clearance is smaller than C/2.
- C/2 - Internal Clearance is smaller than STANDARD.
- STANDARD - No clearance marking is indicated on the bearing or packaging.
- C/3 - Internal Clearance larger than STANDARD.
- C/4 - Internal Clearance larger than C/3.
- C/5 - Internal Clearance larger than C/4.
| RADIAL INTERNAL CLEARANCE OPTIONS | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bore Diameter d (Metric) | Radial Internal Clearance (Inch) | ||||||||||
| C/2 | Standard | C/3 | C/4 | C/5 | |||||||
| Over | Incl. | min | max | min | max | min | max | min | max | min | max |
| 2.5 | 6 | .0000 | .0003 | .0001 | .0005 | .0003 | .0009 | .0005 | .0012 | .0008 | .0014 |
| 6 | 10 | .0000 | .0003 | .0001 | .0005 | .0003 | .0009 | .0005 | .0012 | .0009 | .0018 |
| 10 | 18 | .0000 | .00035 | .0001 | .0007 | .0004 | .0010 | .0007 | .0013 | .0010 | .0019 |
| 18 | 24 | .0000 | .0004 | .0002 | .0008 | .0005 | .0011 | .0008 | .0014 | .0011 | .0018 |
| 24 | 30 | .00005 | .00045 | .0002 | .0008 | .0005 | .0011 | .0009 | .0016 | .0012 | .0021 |
| 30 | 40 | .00005 | .00045 | .0002 | .0009 | .0006 | .0013 | .0011 | .0018 | .0015 | .0025 |
| 40 | 50 | .00005 | .00045 | .0002 | .0009 | .0007 | .0014 | .0012 | .0020 | .0017 | .0029 |
| 50 | 65 | .00005 | .0006 | .0003 | .0011 | .0009 | .0017 | .0015 | .0024 | .0021 | .0035 |
| 65 | 80 | .00005 | .0006 | .0004 | .0012 | .0010 | .0020 | .0018 | .0028 | .0025 | .0041 |
| 80 | 100 | .00005 | .0007 | .0005 | .0014 | .0012 | .0023 | .0021 | .0033 | .0030 | .0047 |