| Bearing number | W 61809 |
| Size (mm) | 58x45x7 |
| Bore Diameter (mm) | 58 |
| Outer Diameter (mm) | 45 |
| Width (mm) | 7 |
| d | 45 mm |
| D | 58 mm |
| B | 7 mm |
| d1 | 48.2 mm |
| D2 | 54.96 mm |
| r1,2 - min. | 0.3 mm |
| da - min. | 47 mm |
| Da - max. | 56 mm |
| ra - max. | 0.3 mm |
| Basic dynamic load rating - C | 5.7 kN |
| Basic static load rating - C0 | 5 kN |
| Fatigue load limit - Pu | 0.212 kN |
| Reference speed | 24000 r/min |
| Limiting speed | 14000 r/min |
| Calculation factor - kr | 0.02 |
| Calculation factor - f0 | 15.1 |
| d1 ≈ | 48.2 mm |
| D2 ≈ | 54.9 mm |
| r1,2 min. | 0.3 mm |
| da min. | 47 mm |
| Da max. | 56 mm |
| ra max. | 0.3 mm |
| Basic dynamic load rating C | 4.94 kN |
| Basic static load rating C0 | 5 kN |
| Fatigue load limit Pu | 0.212 kN |
| Calculation factor kr | 0.02 |
| Calculation factor f0 | 15.1 |
| Mass bearing | 0.034 kg |
