Parts Number
Inquiry
Product Information
Designations
7218C
Boundary Dimensions
| d | 90 | mm | Bore diameter |
| D | 160 | mm | Outside diameter |
| B | 30 | mm | Width |
| r(min.) | 2 | mm | Chamfer Dimension |
| r1(min.) | 1 | mm | Chamfer Dimension |
Basic Load Ratings
| Cr | 155 | kN | Basic Dynamic Load Rating |
| C0r | 105 | kN | Basic Static Load Rating |
Speeds
| Grease | 9200 | min-1 | Limiting Speed |
| Oil (Oil-air) | 14000 | min-1 | Limiting Speed |
Abutment and Fillet Dimensions
| da(min.) | 100 | mm | Diameter of Shaft Abutment |
| Da(max.) | 150 | mm | Diameter of Housing Abutment |
| Db(max.) | 154 | 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 |
Calculation factors
| f0 | 14.6 | Factor |
Others
Performance
| Pa | 72.0 | kN | Permissible Axial Load |
Preload,Rigidity(DB and DF arrangement)
| Preload | Axial Rigidity | Measured axial clearance | |
| EL | 384N | 95N/μm | -15μm |
| L | 771N | 126N/μm | -29μm |
| M | 1865N | 187N/μm | -57μm |
| H | 3713N | 262N/μm | -90μm |
Mass
| 2.20 | kg | Mass(approx.) |
