Specifications of SKF Bearing 3982/3920
| Dimension series | 3980 |
Dimensions
| d | 63.5mm | Bore diameter |
| D | 112.712mm | Outside diameter |
| T | 30.163mm | Total width |
| d1 | 87.9mm | Shoulder diameter of inner ring |
| B | 30.048mm | Width of inner ring |
| C | 23.812mm | Width of outer ring |
| r1,2 | 3.5mm | Chamfer dimension of inner ring |
| r3,4 | 3.3mm | Chamfer dimension of outer ring |
| a | 25.065mm | Distance side face to pressure point |
Abutment dimensions
| da | 75.0mm | Diameter of shaft abutment |
| db | 77.0mm | Diameter of shaft abutment |
| Da | 96.0mm | Diameter of housing abutment |
| Da | 101.0mm | Diameter of housing abutment |
| Db | 105.0mm | Diameter of housing abutment |
| Ca | 4.0mm | Minimum width of space required in housing on large side face |
| Cb | 6.0mm | 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 | 152.0kN |
| Basic static load rating | C0 | 183.0kN |
| Fatigue load limit | Pu | 21.2kN |
| Reference speed | 4800.0r/min | |
| Limiting speed | 5600.0r/min | |
| Limiting value | e | 0.4 |
| Axial load factor | Y | 1.5 |
| Axial load factor | Y0 | 0.8 |
Mass
| Mass | 1.25kg |
