7903C
| d | 17 | mm | Bore diameter |
| D | 30 | mm | Outside diameter |
| B | 7 | mm | Width |
| r(min.) | 0.3 | mm | Chamfer Dimension |
| r1(min.) | 0.15 | mm | Chamfer Dimension |
| Cr | 6.30 | kN | Basic Dynamic Load Rating |
| C0r | 2.94 | kN | Basic Static Load Rating |
| Grease | 49000 | min-1 | Limiting Speed |
| Oil (Oil-air) | 74500 | min-1 | Limiting Speed |
| da(min.) | 19.5 | mm | Diameter of Shaft Abutment |
| Da(max.) | 27.5 | mm | Diameter of Housing Abutment |
| Db(max.) | 28.8 | 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 |
| f0 | 14.8 | Factor |
Performance
| Pa | 2.09 | kN | Permissible Axial Load |
Preload,Rigidity(DB and DF arrangement)
| Preload | Axial Rigidity | Measured axial clearance | |
| EL | 11N | 15N/μm | 3μm |
| L | 25N | 21N/μm | 0μm |
| M | 56N | 30N/μm | -5μm |
| H | 119N | 43N/μm | -12μm |
| 0.017 | kg | Mass(approx.) |