Parts Number
Inquiry
Product Information
Designations
7221A5
Boundary Dimensions
| d | 105 | mm | Bore diameter |
| D | 190 | mm | Outside diameter |
| B | 36 | mm | Width |
| r(min.) | 2.1 | mm | Chamfer Dimension |
| r1(min.) | 1.1 | mm | Chamfer Dimension |
Basic Load Ratings
| Cr | 195 | kN | Basic Dynamic Load Rating |
| C0r | 137 | kN | Basic Static Load Rating |
Speeds
| Grease | 6800 | min-1 | Limiting Speed |
| Oil (Oil-air) | 10200 | min-1 | Limiting Speed |
Abutment and Fillet Dimensions
| da(min.) | 117 | mm | Diameter of Shaft Abutment |
| Da(max.) | 178 | mm | Diameter of Housing Abutment |
| Db(max.) | 183 | mm | Diameter of Housing Abutment |
| ra(max.) | 2 | mm | Radius of Shaft or Housing Fillet |
| rb(max.) | 1 | mm | Radius of Shaft or Housing Fillet |
Others
Performance
| Pa | 111 | kN | Permissible Axial Load |
Preload,Rigidity(DB and DF arrangement)
| Preload | Axial Rigidity | Measured axial clearance | |
| EL | 862N | 268N/μm | -15μm |
| L | 1790N | 348N/μm | -27μm |
| M | 3950N | 471N/μm | -48μm |
| H | 7929N | 625N/μm | -77μm |
Mass
| 3.77 | kg | Mass(approx.) |
