Specifications of SKF Bearing 68450/68712
| Dimension series | 68000 |
Dimensions
| d | 114.3mm | Bore diameter |
| D | 180.975mm | Outside diameter |
| T | 34.925mm | Total width |
| d1 | 144.3mm | Shoulder diameter of inner ring |
| B | 31.75mm | Width of inner ring |
| C | 25.4mm | Width of outer ring |
| r1,2 | 3.5mm | Chamfer dimension of inner ring |
| r3,4 | 3.3mm | Chamfer dimension of outer ring |
| a | 39.359mm | Distance side face to pressure point |
Abutment dimensions
| da | 129.0mm | Diameter of shaft abutment |
| db | 129.0mm | Diameter of shaft abutment |
| Da | 158.0mm | Diameter of housing abutment |
| Da | 167.5mm | Diameter of housing abutment |
| Db | 170.0mm | Diameter of housing abutment |
| Ca | 4.0mm | Minimum width of space required in housing on large side face |
| Cb | 9.5mm | Minimum width of space required in housing on small side face |
| ra | 3.5mm | Radius of shaft fillet |
| rb | 3.3mm | Radius of housing fillet |
Calculation data
| Basic dynamic load rating | C | 227.0kN |
| Basic static load rating | C0 | 280.0kN |
| Fatigue load limit | Pu | 30.0kN |
| Reference speed | 2800.0r/min | |
| Limiting speed | 3400.0r/min | |
| Limiting value | e | 0.5 |
| Axial load factor | Y | 1.2 |
| Axial load factor | Y0 | 0.7 |
Mass
| Mass | 2.93kg |
