FOR REFERENCE ONLY
>
Bearing No. NNU4988
Specifications
(Boundary dimensions ...etc)
| d(mm) | 440 |
|---|---|
| D(mm) | 600 |
| B(mm) | 160 |
| r(min.)(mm) | 4 |
| Fw(mm) | 487 |
| Ew(mm) | - |
| Basic load ratings : Cr(kN) | 2060 |
| Basic load ratings : C0r(kN) | 5000 |
| Fatigue load limit : Cu(kN) | 477 |
| Limiting speeds(Grease lub.)(min-1) | 660 |
| Limiting speeds(Oil lub.)(min-1) | 800 |
Mounting dimensions
| da(min.)(mm) | 456 |
|---|---|
| da(max.)(mm) | 483 |
| db(min.)(mm) | 492 |
| Da(max.)(mm) | 584 |
| Da(min.)(mm) | - |
| ra(max.)(mm) | 3 |
Refer.
| (Refer.)Mass(kg) | 133 |
|---|
2025/12/05