Parts Number
Inquiry
Product Information
Designations
260TAC20D+L
Boundary Dimensions
| d | 260 | mm | Bore diameter |
| D | 400 | mm | Outside diameter |
| T | 164 | mm | Inner Ring Width |
| C | 82 | mm | Outer Ring Width |
| r(min.) | 4 | mm | Chamfer Dimension |
| r1(min.) | 1.5 | mm | Chamfer Dimension |
Basic Load Ratings
| Ca | 550 | kN | Basic Dynamic Load Rating |
| C0a | 1890 | kN | Basic Static Load Rating |
Speeds
| Grease | 1400 | min-1 | Limiting Speed (C6-Preload) |
| Oil (Oil-air) | 1600 | min-1 | Limiting Speed (C6-Preload) |
| Grease | 1200 | min-1 | Limiting Speed (C7-Preload) |
| Oil (Oil-air) | 1400 | min-1 | Limiting Speed (C7-Preload) |
| Grease | 1000 | min-1 | Limiting Speed (C8-Preload) |
| Oil (Oil-air) | 1200 | min-1 | Limiting Speed (C8-Preload) |
Abutment and Fillet Dimensions
| ra(max.) | 3 | mm | Radius of Shaft or Housing Fillet |
| rb(max.) | 1.5 | mm | Radius of Shaft or Housing Fillet |
| da | 316 | mm | Diameter of Shaft Abutment |
| Da | 375 | mm | Diameter of Housing Abutment |
Others
Performance
| Pa | 1170 | kN | Permissible Axial Load |
Preload,Rigidity(DB and DF arrangement)
| Preload | Axial Rigidity | |
| C6 | 4232N | 2461N/μm |
| C7 | 8420N | 3101N/μm |
| C8 | 22437N | 4315N/μm |
Mass
| 64.5 | kg | Mass(approx.) |