681XZZ
| d | 1.5 | mm | Bore diameter |
| D | 4 | mm | Outside diameter |
| B | 2 | mm | Width |
| r1 (min.) | 0.05 | mm | Chamfer dimension |
| Cr | 124 | N | Basic dynamic load rating |
| C0r | 33 | N | Basic static load rating |
| Grease | 100000 | min-1 | Grease lubrication |
| db (max.) | 2.1 | mm | Diameter of shaft abutment |
| Db (max.) | 3.6 | mm | Diameter of housing abutment |
| rb (max.) | 0.05 | mm | Radius of shaft or housing fillet |
| (approx.) | 0.00011 | kg |