Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 307-ZNR
307-ZNR
Dimensions
| d | 35 | mm | |
| D | 80 | mm | |
| B | 21 | mm | |
| d1 | ≈ | 49.56 | mm |
| D2 | ≈ | 69.2 | mm |
| D3 | 76.81 | mm | |
| D4 | 86.6 | mm | |
| b | 1.9 | mm | |
| C | 3.28 | mm | |
| f | 1.7 | mm | |
| r0 | max. | 0.6 | mm |
| r1,2 | min. | 1.5 | mm |
Abutment dimensions
| da | min. | 44 | mm |
| da | max. | 49.4 | mm |
| Da | max. | 71 | mm |
| Db | min. | 88 | mm |
| ba | min. | 2.2 | mm |
| Ca | max. | 4.98 | mm |
| ra | max. | 1.5 | mm |
Calculation data
| Basic dynamic load rating | C | 34.7 | kN | |
| Basic static load rating | C0 | 26.5 | kN | |
| Fatigue load limit | Pu | 1.12 | kN | |
| Reference speed | 16000 | r/min | ||
| Limiting speed | 9500 | r/min | ||
| Calculation factor | kr | 0.05 |
Mass
| Mass bearing | 0.48 | kg |
Included products
| Snap ring | SP 80 | |||