| Bearing number | 7309DB |
| Size (mm) | 45x100x25 |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 25 |
| d | 45 mm |
| D | 100 mm |
| B | 25 mm |
| C | 25 mm |
| Angle (α) | 30 ° |
| a | 8.4 mm |
| r min. | 1.5 mm |
| r1 min. | 1 mm |
| 2B | 50 mm |
| da min. | 50 mm |
| Da max. | 94.6 mm |
| ra max. | 1 mm |
| Weight | 0.875 Kg |
| Basic dynamic load rating (C) | 103 kN |
| Basic static load rating (C0) | 87 kN |
| (Grease) Lubrication Speed | 5000 r/min |
| Bore Type | Cylindrical Bore |
| Enclosure | Open |
| Configuration | Duplex |
| Bore Size | 45 mm |
| Outside Diameter | 100 mm |
| Width | 25 mm |
| Fillet Radius/Chamfer | 1.5 mm |
| r1 | 1 mm |
| Dynamic Load Rating | 103,000 N |
| Static Load Rating | 87,000 N |
| Limiting Speed - Grease | 5,000 rpm |
| Limiting Speed - Oil | 6,700 rpm |
| da1 (min) | 54 mm |
| da2 (min) | 50 mm |
| Da1 (max) | 91 mm |
| Da2 (max) | 94.6 mm |
| ra (max) | 1.5 mm |
| ra1 (max) | 1 mm |
