| 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 |