NJ305EM
| d | 25 | mm | Bore diameter |
| D | 62 | mm | Outside diameter |
| B | 17 | mm | Width |
| FW | 34 | mm | Raceway diameter of inner ring |
| r (min.) | 1.1 | mm | Chamfer dimension |
| r1 (min.) | 1.1 | mm | Chamfer dimension |
| Cr | 51000 | N | Basic dynamic load rating |
| C0r | 37500 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 11000 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 20000 | min-1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 10000 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 12000 | min-1 | Oil-bath lubrication |
| db (min.) | 31.5 | mm | Diameter of shaft / spacer sleeve abutment |
| db (max.) | 32 | mm | Diameter of shaft / spacer sleeve abutment |
| dd (min.) | 40 | mm | Diameter of shaft abutment |
| Da (max.) | 55.5 | mm | Diameter of housing abutment |
| ra (max.) | 1 | mm | Radius of shaft or housing fillet |
| (approx.) | 0.275 | kg |