21304CDKE4
| d | 20 | mm | Bore diameter |
| D | 52 | mm | Outside diameter |
| B | 15 | mm | Width |
| r (min.) | 1.1 | mm | Chamfer dimension |
| Cr | 29300 | N | Basic dynamic load rating |
| C0r | 26900 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 10000 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Grease | 6300 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 8200 | min-1 | Oil-bath lubrication |
| da (min.) | 27 | mm | Diameter of shaft abutment |
| da (max.) | 28 | mm | Diameter of shaft abutment |
| Da (min.) | 42 | mm | Diameter of housing abutment |
| Da (max.) | 45 | mm | Diameter of housing abutment |
| ra (max.) | 1 | mm | Radius of shaft or housing fillet |
| e | 0.31 | Constant | |
| Y2 | 3.2 | Axial load Factors | |
| Y3 | 2.1 | Axial load Factors | |
| Y0 | 2.1 | Axial load Factors |
| (approx.) | 0.17 | kg |