FOR REFERENCE ONLY
>
Bearing No. NF228
Specifications
(Boundary dimensions ...etc)
| d(mm) | 140 |
|---|---|
| D(mm) | 250 |
| B(mm) | 42 |
| r(min.)(mm) | 3 |
| r1(min.)(mm) | 3 |
| Fw(mm) | - |
| Ew(mm) | 221 |
| Basic load ratings : Cr(kN) | 406 |
| Basic load ratings : C0r(kN) | 421 |
| Fatigue load limit : Cu(kN) | 55.5 |
| Limiting speeds(Grease lub.)(min-1) | 2400 |
| Limiting speeds(Oil lub.)(min-1) | 2900 |
| sd1(mm) | - |
| B1(mm) | - |
| B2(mm) | - |
Mounting dimensions
| da(min.)(mm) | 153 |
|---|---|
| db(min.)(mm) | - |
| db(max.)(mm) | - |
| dc(min.)(mm) | - |
| dd(min.)(mm) | - |
| Da(max.)(mm) | - |
| Db(max.)(mm) | 237 |
| Db(min.)(mm) | 228 |
| ra(max.)(mm) | 2.5 |
| rb(max.)(mm) | 2.5 |
Refer.
| (Refer.)Mass(kg) | 8.32 |
|---|
2025/06/19