7921C
| d | 105 | mm | Bore diameter |
| D | 145 | mm | Outside diameter |
| B | 20 | mm | Width |
| r(min.) | 1.1 | mm | Chamfer Dimension |
| r1(min.) | 0.6 | mm | Chamfer Dimension |
| Cr | 64.5 | kN | Basic Dynamic Load Rating |
| C0r | 57.0 | kN | Basic Static Load Rating |
| Grease | 9200 | min-1 | Limiting Speed |
| Oil (Oil-air) | 14000 | min-1 | Limiting Speed |
| da(min.) | 112 | mm | Diameter of Shaft Abutment |
| Da(max.) | 138 | mm | Diameter of Housing Abutment |
| Db(max.) | 140 | mm | Diameter of Housing Abutment |
| ra(max.) | 1 | mm | Radius of Shaft or Housing Fillet |
| rb(max.) | 0.6 | mm | Radius of Shaft or Housing Fillet |
| f0 | 16.6 | Factor |
Performance
| Pa | 34.5 | kN | Permissible Axial Load |
Preload,Rigidity(DB and DF arrangement)
| Preload | Axial Rigidity | Measured axial clearance | |
| EL | 194N | 86N/μm | -5μm |
| L | 396N | 116N/μm | -13μm |
| M | 890N | 167N/μm | -27μm |
| H | 1791N | 235N/μm | -45μm |
| 0.831 | kg | Mass(approx.) |