F681X
| d | 1.5 | mm | Bore diameter |
| D | 4 | mm | Outside diameter |
| B | 1.2 | mm | Width |
| D1,2 | 5 | mm | Flange diameter |
| C1,2 | 0.4 | mm | Flange width |
| r (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 |
| Oil (Oil-bath) | 120000 | min-1 | Oil-bath lubrication |
| da (min.) | 1.9 | mm | Diameter of shaft abutment |
| ra (max.) | 0.05 | mm | Radius of shaft or housing fillet |
| (approx.) | 0.00009 | kg |