FAFNIR 399A bearing Size Chart (mm/inches) |
|---|
| Bearing number | NU 2320 ECM |
| Size (mm) | 215x100x73 |
| Bore Diameter (mm) | 215 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 73 |
| d | 100 mm |
| D | 215 mm |
| B | 73 mm |
| D1 | 181.1 mm |
| F | 127.5 mm |
| r1,2 - min. | 3 mm |
| r3,4 - min. | 3 mm |
| s | 5.9 mm |
| da - min. | 114 mm |
| da - max. | 124 mm |
| db - min. | 131 mm |
| Da - max. | 199.6 mm |
| ra - max. | 2.5 mm |
| rb - max. | 2.5 mm |
| Basic dynamic load rating - C | 670 kN |
| Basic static load rating - C0 | 735 kN |
| Fatigue load limit - Pu | 85 kN |
| Reference speed | 3200 r/min |
| Limiting speed | 3800 r/min |
| Calculation factor - kr | 0.25 |
| D1 ≈ | 181.1 mm |
| r1,2 min. | 3 mm |
| r3,4 min. | 3 mm |
| s max. | 5.9 mm |
| da min. | 114 mm |
| da max. | 124 mm |
| db min. | 131 mm |
| Da max. | 199.6 mm |
| ra max. | 2.5 mm |
| rb max. | 2.5 mm |
| Basic dynamic load rating C | 670 kN |
| Basic static load rating C0 | 735 kN |
| Fatigue load limit Pu | 85 kN |
| Calculation factor kr | 0.25 |
| Limiting value e | 0.3 |
| Axial load factor Y | 0.4 |
| Mass bearing | 13.2 kg |