Specifications of SKF Bearing 15578/15520
| Dimension series | NSTD |
Dimensions
| d | 25.4mm | Bore diameter |
| D | 57.15mm | Outside diameter |
| T | 17.462mm | Total width |
| d1 | 42.3mm | Shoulder diameter of inner ring |
| B | 17.462mm | Width of inner ring |
| C | 13.495mm | Width of outer ring |
| r1,2 | 1.3mm | Chamfer dimension of inner ring |
| r3,4 | 1.5mm | Chamfer dimension of outer ring |
| a | 12.162mm | Distance side face to pressure point |
Abutment dimensions
| da | 35.0mm | Diameter of shaft abutment |
| db | 33.0mm | Diameter of shaft abutment |
| Da | 49.0mm | Diameter of housing abutment |
| Da | 50.0mm | Diameter of housing abutment |
| Db | 53.0mm | Diameter of housing abutment |
| Ca | 3.0mm | Minimum width of space required in housing on large side face |
| Cb | 3.5mm | Minimum width of space required in housing on small side face |
| ra | 1.3mm | Radius of shaft fillet |
| rb | 1.5mm | Radius of housing fillet |
Calculation data
| Basic dynamic load rating | C | 49.1kN |
| Basic static load rating | C0 | 45.5kN |
| Fatigue load limit | Pu | 4.9kN |
| Reference speed | 10000.0r/min | |
| Limiting speed | 12000.0r/min | |
| Limiting value | e | 0.35 |
| Axial load factor | Y | 1.7 |
| Axial load factor | Y0 | 0.9 |
Mass
| Mass | 0.22kg |
