Specifications of SKF Bearing 30304
| Dimension series | 2FB |
Dimensions
| d | 20.0mm | Bore diameter |
| D | 52.0mm | Outside diameter |
| T | 16.25mm | Total width |
| d1 | 34.4mm | Shoulder diameter of inner ring |
| B | 15.0mm | Width of inner ring |
| C | 13.0mm | Width of outer ring |
| r1,2 | 1.5mm | Chamfer dimension of inner ring |
| r3,4 | 1.5mm | Chamfer dimension of outer ring |
| a | 11.153mm | Distance side face to pressure point |
Abutment dimensions
| da | 28.0mm | Diameter of shaft abutment |
| db | 27.5mm | Diameter of shaft abutment |
| Da | 44.0mm | Diameter of housing abutment |
| Da | 45.5mm | Diameter of housing abutment |
| Db | 47.0mm | Diameter of housing abutment |
| Ca | 2.0mm | Minimum width of space required in housing on large side face |
| Cb | 3.0mm | Minimum width of space required in housing on small side face |
| ra | 1.5mm | Radius of shaft fillet |
| rb | 1.5mm | Radius of housing fillet |
Calculation data
| Basic dynamic load rating | C | 41.9kN |
| Basic static load rating | C0 | 32.5kN |
| Fatigue load limit | Pu | 3.55kN |
| Reference speed | 12000.0r/min | |
| Limiting speed | 14000.0r/min | |
| Limiting value | e | 0.3 |
| Axial load factor | Y | 2.0 |
| Axial load factor | Y0 | 1.1 |
Mass
| Mass | 0.17kg |
