NNU4956K
| d | 280 | mm | Bore diameter |
| D | 380 | mm | Outside diameter |
| B | 100 | mm | Width |
| FW | 309 | mm | Raceway diameter of inner ring |
| r (min.) | 2.1 | mm | Chamfer dimension |
| Cr | 1180000 | N | Basic dynamic load rating |
| C0r | 2230000 | N | Basic static load rating |
| Grease | 1300 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 1700 | min-1 | Oil-bath lubrication |
| da (min.) | 291 | mm | Diameter of shaft abutment |
| da (max.) | 308 | mm | Diameter of shaft abutment |
| dc (min.) | 315 | mm | Diameter of shaft abutment |
| d1a (min.) | 295 | mm | Diameter of spacer sleeve abutment |
| Da (max.) | 369 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| (approx.) | 33 | kg |