Bearings, units and housings -- Super-precision bearings -- Angular contact thrust ball bearings for screw drives -- Angular contact thrust ball bearings for screw drives, single direction, super-precision -- SKF BSD 55100 C
BSD 55100 C
Dimensions
| d | 55 | mm | |
| D | 100 | mm | |
| H | 20 | mm | |
| d1 | 66.9 | mm | |
| d2 | 77 | mm | |
| D1 | 77.1 | mm | |
| D2 | 87.76 | mm | |
| r1,2 | min. | 1.5 | mm |
| a | 82 | mm |
Abutment dimensions
| da | min. | 67 | mm |
| db | min. | 65 | mm |
| Da | max. | 91 | mm |
| Db | max. | 90.5 | mm |
| ra | max. | 1.5 | mm |
Calculation data
| Basic dynamic load rating | C | 67 | kN | |
| Basic static load rating | C0 | 193 | kN | |
| Fatigue load limit | Pu | 7.2 | kN | |
| Attainable speed for grease lubrication | 5600 | r/min | ||
| Attainable speed for oil-air lubrication | 6700 | r/min | ||
| Preload class A | 6200 | N | ||
| Preload class B | 12400 | N | ||
| Frictional moment, preload class A | 0.52 | N·m | ||
| Frictional moment, preload class B | 0.97 | N·m | ||
| Static axial stiffnes, preload A | 1550 | N/µm | ||
| Static axial stiffnes, preload B | 1970 | N/µm | ||
| Maximum axial load carrying capacity | Fa | max. | 107 | kN |
| Reference grease quantity | Gref | 6.5 | cm³ |
Mass
| Mass bearing | 0.66 | kg |