R166ZZ
| d | 4.762 | mm | Bore diameter |
| D | 9.525 | mm | Outside diameter |
| B | 3.175 | mm | Width |
| r (min.) | 0.1 | mm | Chamfer dimension |
| Cr | 780 | N | Basic dynamic load rating |
| C0r | 270 | N | Basic static load rating |
| Grease | 50000 | min-1 | Grease lubrication |
| db (max.) | 5.9 | mm | Diameter of shaft abutment |
| Db (max.) | 8.8 | mm | Diameter of housing abutment |
| ra (max.) | 0.1 | mm | Radius of shaft or housing fillet |
| (approx.) | 0.00085 | kg |