HR303/28
| d | 28 | mm | Bore diameter |
| D | 68 | mm | Outside diameter |
| T | 19.75 | mm | Total width |
| B | 18 | mm | Width of inner ring |
| C | 15 | mm | Width of outer ring |
| Cup r (min.) | 1.5 | mm | Chamfer dimension of outer ring (Cup) |
| Cone r (min.) | 1.5 | mm | Chamfer dimension of inner ring (Cone) |
| Cr | 68000 | N | Basic dynamic load rating |
| C0r | 55500 | N | Basic static load rating |
| Grease | 6000 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 8000 | min-1 | Oil-bath lubrication |
| da (min.) | 39 | mm | Diameter of shaft abutment |
| Db (min.) | 61 | mm | Diameter of housing abutment |
| Da (min.) | 58 | mm | Diameter of housing abutment |
| Da (max.) | 59 | mm | Diameter of housing abutment |
| Sa | 2 | mm | Minimum width of space required in housing on large side face |
| Sb | 4.5 | mm | Minimum width of space required in housing on small side face |
| db (max.) | 37 | mm | Diameter of shaft abutment |
| ra (max.) | 1.5 | mm | Radius of shaft or housing fillet of inner ring |
| ra (max.) | 1.5 | mm | Radius of shaft or housing fillet of outer ring |
| e | 0.31 | Constant | |
| Y0 | 1.1 | Axial load Factors | |
| Y1 | 1.9 | Axial load Factors |
| (approx.) | 0.341 | kg |