Specifications of SKF Bearing T4DB 170
| Dimension series | 4DB |
Dimensions
| d | 170.0mm | Bore diameter |
| D | 230.0mm | Outside diameter |
| T | 32.0mm | Total width |
| d1 | 197.5mm | Shoulder diameter of inner ring |
| B | 30.0mm | Width of inner ring |
| C | 23.0mm | Width of outer ring |
| r1,2 | 3.0mm | Chamfer dimension of inner ring |
| r3,4 | 3.0mm | Chamfer dimension of outer ring |
| a | 44.295mm | Distance side face to pressure point |
Abutment dimensions
| da | 182.0mm | Diameter of shaft abutment |
| db | 184.5mm | Diameter of shaft abutment |
| Da | 215.0mm | Diameter of housing abutment |
| Da | 216.0mm | Diameter of housing abutment |
| Db | 223.0mm | Diameter of housing abutment |
| Ca | 6.0mm | Minimum width of space required in housing on large side face |
| Cb | 9.0mm | Minimum width of space required in housing on small side face |
| ra | 3.0mm | Radius of shaft fillet |
| rb | 3.0mm | Radius of housing fillet |
Calculation data
| Basic dynamic load rating | C | 307.0kN |
| Basic static load rating | C0 | 440.0kN |
| Fatigue load limit | Pu | 43.0kN |
| Reference speed | 2000.0r/min | |
| Limiting speed | 2600.0r/min | |
| Limiting value | e | 0.46 |
| Axial load factor | Y | 1.3 |
| Axial load factor | Y0 | 0.7 |
Mass
| Mass | 3.44kg |
