FOR REFERENCE ONLY
>
Bearing No. NNU4921K
Specifications
(Boundary dimensions ...etc)
| d(mm) | 105 |
|---|---|
| D(mm) | 145 |
| B(mm) | 40 |
| r(min.)(mm) | 1.1 |
| Fw(mm) | 118 |
| Ew(mm) | - |
| Basic load ratings : Cr(kN) | 196 |
| Basic load ratings : C0r(kN) | 306 |
| Fatigue load limit : Cu(kN) | 40.2 |
| Limiting speeds(Grease lub.)(min-1) | 3900 |
| Limiting speeds(Oil lub.)(min-1) | 4600 |
Mounting dimensions
| da(min.)(mm) | 111.5 |
|---|---|
| da(max.)(mm) | 116 |
| db(min.)(mm) | 120 |
| Da(max.)(mm) | 138.5 |
| Da(min.)(mm) | - |
| ra(max.)(mm) | 1 |
Refer.
| (Refer.)Mass(kg) | 1.91 |
|---|
2025/10/25