NN4988K
| NN: Inner ring rib type | Bearing Type | ||
| d | 440 | mm | Bore diameter |
| D | 600 | mm | Outside diameter |
| B | 160 | mm | Width |
| r(min.) | 4 | mm | Chamfer Dimension |
| Cr | 2370 | kN | Basic Dynamic Load Rating |
| C0r | 6000 | kN | Basic Static Load Rating |
| Grease | 1100 | min-1 | Limiting Speed |
| Oil (Oil-air) | 1400 | min-1 | Limiting Speed |
| da(min.) | 456 | mm | Diameter of Shaft Abutment |
| d1a(min.) | 469 | mm | Diameter of Shaft Abutment |
| Da(min.) | 562 | mm | Diameter of Housing Abutment |
| Da(max.) | 584 | mm | Diameter of Housing Abutment |
| ra(max.) | 3 | mm | Radius of Shaft or Housing Fillet |
| 123 | kg | Mass(approx.) |