7904A5
| d | 20 | mm | Bore diameter |
| D | 37 | mm | Outside diameter |
| B | 9 | mm | Width |
| r(min.) | 0.3 | mm | Chamfer Dimension |
| r1(min.) | 0.15 | mm | Chamfer Dimension |
| Cr | 8.30 | kN | Basic Dynamic Load Rating |
| C0r | 4.05 | kN | Basic Static Load Rating |
| Grease | 35100 | min-1 | Limiting Speed |
| Oil (Oil-air) | 52700 | min-1 | Limiting Speed |
| da(min.) | 22.5 | mm | Diameter of Shaft Abutment |
| Da(max.) | 34.5 | mm | Diameter of Housing Abutment |
| Db(max.) | 35.8 | mm | Diameter of Housing Abutment |
| ra(max.) | 0.3 | mm | Radius of Shaft or Housing Fillet |
| rb(max.) | 0.15 | mm | Radius of Shaft or Housing Fillet |
Performance
| Pa | 3.55 | kN | Permissible Axial Load |
Preload,Rigidity(DB and DF arrangement)
| Preload | Axial Rigidity | Measured axial clearance | |
| EL | 25N | 43N/μm | 0μm |
| L | 63N | 60N/μm | -3μm |
| M | 114N | 75N/μm | -6μm |
| H | 247N | 102N/μm | -12μm |
| 0.037 | kg | Mass(approx.) |