| Name | Value |
|---|---|
| Bearing number | 4304 ATN9 |
| Size (mm) | 20x52x21 |
| Brand | MBY |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 52 |
| Width (mm) | 21 |
| Name | Value |
|---|---|
| d | 20 mm |
| D | 52 mm |
| B | 21 mm |
| d1 | - 31.8 mm |
| D1 | - 42.2 mm |
| r1,2 | min. - 1.1 mm |
| da | min. - 27 mm |
| Da | max. - 45 mm |
| ra | max. - 1 mm |
| Basic dynamic load rating | C - 23.4 kN |
| Basic static load rating | C0 - 16 kN |
| Fatigue load limit | Pu - 0.68 kN |
| Reference speed | 22000 r/min |
| Limiting speed | 12000 r/min |
| Calculation factor minimum radial load | kr - 0.06 |
| Calculation factor | f0 - 13 |
| Mass bearing | 0.211 kg |
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