Specifications of SKF Bearing 18790/18720
| Dimension series | 18700 |
Dimensions
| d | 50.8mm | Bore diameter |
| D | 85.0mm | Outside diameter |
| T | 17.462mm | Total width |
| d1 | 65.9mm | Shoulder diameter of inner ring |
| B | 17.462mm | Width of inner ring |
| C | 13.495mm | Width of outer ring |
| r1,2 | 3.5mm | Chamfer dimension of inner ring |
| r3,4 | 1.5mm | Chamfer dimension of outer ring |
| a | 16.111mm | Distance side face to pressure point |
Abutment dimensions
| da | 59.0mm | Diameter of shaft abutment |
| db | 63.5mm | Diameter of shaft abutment |
| Da | 75.0mm | Diameter of housing abutment |
| Da | 77.0mm | Diameter of housing abutment |
| Db | 79.0mm | 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 | 3.5mm | Radius of shaft fillet |
| rb | 1.5mm | Radius of housing fillet |
Calculation data
| Basic dynamic load rating | C | 62.1kN |
| Basic static load rating | C0 | 65.5kN |
| Fatigue load limit | Pu | 7.2kN |
| Reference speed | 6300.0r/min | |
| Limiting speed | 8000.0r/min | |
| Limiting value | e | 0.4 |
| Axial load factor | Y | 1.5 |
| Axial load factor | Y0 | 0.8 |
Mass
| Mass | 0.37kg |
