HR320/28XJ
| d | 28 | mm | Bore diameter |
| D | 52 | mm | Outside diameter |
| T | 16 | mm | Total width |
| B | 16 | mm | Width of inner ring |
| C | 12 | mm | Width of outer ring |
| Cup r (min.) | 1 | mm | Chamfer dimension of outer ring (Cup) |
| Cone r (min.) | 1 | mm | Chamfer dimension of inner ring (Cone) |
| Cr | 39500 | N | Basic dynamic load rating |
| C0r | 39000 | N | Basic static load rating |
| Grease | 7100 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 9500 | min-1 | Oil-bath lubrication |
| da (min.) | 37 | mm | Diameter of shaft abutment |
| Db (min.) | 50 | mm | Diameter of housing abutment |
| Da (min.) | 44 | mm | Diameter of housing abutment |
| Da (max.) | 46 | mm | Diameter of housing abutment |
| Sa | 3 | mm | Minimum width of space required in housing on large side face |
| Sb | 4 | mm | Minimum width of space required in housing on small side face |
| db (max.) | 33 | mm | Diameter of shaft abutment |
| ra (max.) | 1 | mm | Radius of shaft or housing fillet of inner ring |
| ra (max.) | 1 | mm | Radius of shaft or housing fillet of outer ring |
| e | 0.43 | Constant | |
| Y0 | 0.77 | Axial load Factors | |
| Y1 | 1.4 | Axial load Factors |
| (approx.) | 0.146 | kg |