Bearings, units and housings -- Ball bearings -- Thrust ball bearings -- Thrust ball bearings, double direction -- SKF 54420 M + U 420
54420 M + U 420
Dimensions
| d | 80 | mm | |
| D | 210 | mm | |
| H | 159.9 | mm | |
| H1 | 176 | mm | |
| D1 | ≈ | 103 | mm |
| D2 | 155 | mm | |
| D3 | 220 | mm | |
| B | 33 | mm | |
| C | 27 | mm | |
| R | 160 | mm | |
| s | 43.5 | mm | |
| r1,2 | min. | 3 | mm |
| r3,4 | min. | 1.1 | mm |
Abutment dimensions
| da | 100 | mm | |
| Da | max. | 155 | mm |
| ra | max. | 2.5 | mm |
| rb | max. | 1 | mm |
Calculation data
| Basic dynamic load rating | C | 371 | kN | |
| Basic static load rating | C0 | 1060 | kN | |
| Fatigue load limit | Pu | 31.5 | kN | |
| Reference speed | 700 | r/min | ||
| Limiting speed | 950 | r/min | ||
| Minimum load factor | A | 5.8 |
Mass
| Mass bearing (including seat washer where applicable) | 29 | kg |