MR128ZZ1
| d | 8 | mm | Bore diameter |
| D | 12 | mm | Outside diameter |
| B | 3.5 | mm | Width |
| r1 (min.) | 0.1 | mm | Chamfer dimension |
| Cr | 600 | N | Basic dynamic load rating |
| C0r | 274 | N | Basic static load rating |
| Grease | 40000 | min-1 | Grease lubrication |
| db (max.) | 9 | mm | Diameter of shaft abutment |
| Db (max.) | 11.3 | mm | Diameter of housing abutment |
| rb (max.) | 0.1 | mm | Radius of shaft or housing fillet |
| (approx.) | 0.00097 | kg |