NNU4948
| d | 240 | mm | Bore diameter |
| D | 320 | mm | Outside diameter |
| B | 80 | mm | Width |
| FW | 263 | mm | Raceway diameter of inner ring |
| r (min.) | 2.1 | mm | Chamfer dimension |
| Cr | 770000 | N | Basic dynamic load rating |
| C0r | 1450000 | N | Basic static load rating |
| Grease | 1600 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 2000 | min-1 | Oil-bath lubrication |
| da (min.) | 251 | mm | Diameter of shaft abutment |
| da (max.) | 262 | mm | Diameter of shaft abutment |
| dc (min.) | 269 | mm | Diameter of shaft abutment |
| d1a (min.) | 254 | mm | Diameter of spacer sleeve abutment |
| Da (max.) | 309 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| (approx.) | 18 | kg |