NNU4948MBKR
| NNU: Outer ring rib type | Bearing Type | ||
| d | 240 | mm | Bore diameter |
| D | 320 | mm | Outside diameter |
| B | 80 | mm | Width |
| r(min.) | 2.1 | mm | Chamfer Dimension |
| Cr | 720 | kN | Basic Dynamic Load Rating |
| C0r | 1450 | kN | Basic Static Load Rating |
| Grease | 2400 | min-1 | Limiting Speed |
| Oil (Oil-air) | 2900 | min-1 | Limiting Speed |
| da(min.) | 251 | mm | Diameter of Shaft Abutment |
| d1a(min.) | 254 | mm | Diameter of Shaft Abutment |
| Da(max.) | 309 | mm | Diameter of Housing Abutment |
| ra(max.) | 2 | mm | Radius of Shaft or Housing Fillet |
| 16.2 | kg | Mass(approx.) |