Specifications of SKF Bearing 30306
| Dimension series | NSTD |
Dimensions
| d | 30.0mm | Bore diameter |
| D | 72.0mm | Outside diameter |
| T | 20.75mm | Total width |
| d1 | 48.45mm | Shoulder diameter of inner ring |
| B | 19.0mm | Width of inner ring |
| C | 16.0mm | Width of outer ring |
| r1,2 | 1.5mm | Chamfer dimension of inner ring |
| r3,4 | 1.5mm | Chamfer dimension of outer ring |
| a | 14.65mm | Distance side face to pressure point |
Abutment dimensions
| da | 41.0mm | Diameter of shaft abutment |
| db | 38.0mm | Diameter of shaft abutment |
| Da | 62.0mm | Diameter of housing abutment |
| Da | 64.5mm | Diameter of housing abutment |
| Db | 66.0mm | Diameter of housing abutment |
| Ca | 3.0mm | Minimum width of space required in housing on large side face |
| Cb | 4.5mm | 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 | 69.2kN |
| Basic static load rating | C0 | 56.0kN |
| Fatigue load limit | Pu | 6.4kN |
| Reference speed | 8000.0r/min | |
| Limiting speed | 10000.0r/min | |
| Limiting value | e | 0.31 |
| Axial load factor | Y | 1.9 |
| Axial load factor | Y0 | 1.1 |
Mass
| Mass | 0.39kg |
