Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 2009 ECP
NJ 2009 ECP
Dimensions
| d | 45 | mm | |
| D | 75 | mm | |
| B | 19 | mm | |
| d1 | ≈ | 56 | mm |
| D1 | ≈ | 65.5 | mm |
| F | 52.5 | mm | |
| r1,2 | min. | 1 | mm |
| r3,4 | min. | 0.6 | mm |
| s | max. | 0.7 | mm |
Abutment dimensions
| da | min. | 57 | mm |
| da | max. | 51 | mm |
| db | min. | 57.5 | mm |
| Da | max. | 69.8 | mm |
| ra | max. | 1 | mm |
Calculation data
| Basic dynamic load rating | C | 52.8 | kN | |
| Basic static load rating | C0 | 64 | kN | |
| Fatigue load limit | Pu | 7.8 | kN | |
| Reference speed | 9000 | r/min | ||
| Limiting speed | 11000 | r/min | ||
| Calculation factor | kr | 0.13 | ||
| Limiting value | e | 0.3 | ||
| Axial load factor | Y | 0.4 |
Mass
| Mass bearing | 0.3 | kg |