Specifications of SKF Bearing 749 A/742
| Dimension series | 745 |
Dimensions
| d | 82.55mm | Bore diameter |
| D | 150.089mm | Outside diameter |
| T | 44.45mm | Total width |
| d1 | 113.2mm | Shoulder diameter of inner ring |
| B | 46.672mm | Width of inner ring |
| C | 36.512mm | Width of outer ring |
| r1,2 | 3.5mm | Chamfer dimension of inner ring |
| r3,4 | 3.3mm | Chamfer dimension of outer ring |
| a | 31.75mm | Distance side face to pressure point |
Abutment dimensions
| da | 95.0mm | Diameter of shaft abutment |
| db | 96.5mm | Diameter of shaft abutment |
| Da | 130.0mm | Diameter of housing abutment |
| Da | 137.5mm | Diameter of housing abutment |
| Db | 142.0mm | Diameter of housing abutment |
| Ca | 8.0mm | Minimum width of space required in housing on large side face |
| Cb | 7.5mm | 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 | 351.0kN |
| Basic static load rating | C0 | 405.0kN |
| Fatigue load limit | Pu | 46.5kN |
| Reference speed | 3600.0r/min | |
| Limiting speed | 4300.0r/min | |
| Limiting value | e | 0.33 |
| Axial load factor | Y | 1.8 |
| Axial load factor | Y0 | 1.0 |
Mass
| Mass | 3.41kg |
