Parts Number
Inquiry
Product Information
Designations
NNU4972KR
Boundary Dimensions
| NNU: Outer ring rib type | Bearing Type | ||
| d | 360 | mm | Bore diameter |
| D | 480 | mm | Outside diameter |
| B | 118 | mm | Width |
| r(min.) | 3 | mm | Chamfer Dimension |
Basic Load Ratings
| Cr | 1390 | kN | Basic Dynamic Load Rating |
| C0r | 3550 | kN | Basic Static Load Rating |
Speeds
| Grease | 1600 | min-1 | Limiting Speed |
| Oil (Oil-air) | 1900 | min-1 | Limiting Speed |
Abutment and Fillet Dimensions
| da(min.) | 373 | mm | Diameter of Shaft Abutment |
| d1a(min.) | 383 | mm | Diameter of Shaft Abutment |
| Da(max.) | 467 | mm | Diameter of Housing Abutment |
| ra(max.) | 2.5 | mm | Radius of Shaft or Housing Fillet |
Mass
| 55.2 | kg | Mass(approx.) |