Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Needle roller bearings with machined rings -- Needle roller bearings, with machined rings, with an inner ring SKF NA 69/28
NA 69/28
Dimensions
| d | 28 | mm | |
| D | 45 | mm | |
| B | 30 | mm | |
| F | 32 | mm | |
| r1,2 | min. | 0.3 | mm |
| s | max. | 1 | mm |
Abutment dimensions
| da | min. | 30 | mm |
| Da | max. | 43 | mm |
| ra | max. | 0.3 | mm |
Calculation data
| Basic dynamic load rating | C | 39.6 | kN | |
| Basic static load rating | C0 | 65.5 | kN | |
| Fatigue load limit | Pu | 8.3 | kN | |
| Reference speed | 12000 | r/min | ||
| Limiting speed | 14000 | r/min |
Mass
| Mass bearing | 0.18 | kg |