7304BWDF
| d | 20 | mm | Bore diameter |
| D | 52 | mm | Outside diameter |
| 2B | 30 | mm | Width 2B |
| r (min.) | 1.1 | mm | Chamfer dimension |
| r1 (min.) | 0.6 | mm | Chamfer dimension |
| Cr | 31000 | N | Basic dynamic load rating |
| C0r | 19300 | N | Basic static load rating |
| Grease | 7100 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 10000 | min-1 | Oil-bath lubrication |
| rb (max.) | 0.6 | mm | Radius of fillet |
| Da (max.) | 45 | mm | Diameter of housing abutment |
| db (min.) | 25 | mm | Diameter of shaft abutment |
| ra (max.) | 1 | mm | Radius of shaft or housing fillet |
| (approx.) | 0.3 | kg |