FOR REFERENCE ONLY
>
Bearing No. NU311R
Specifications
(Boundary dimensions ...etc)
| d(mm) | 55 |
|---|---|
| D(mm) | 120 |
| B(mm) | 29 |
| r(min.)(mm) | 2 |
| r1(min.)(mm) | 2 |
| Fw(mm) | 70.5 |
| Ew(mm) | - |
| Basic load ratings : Cr(kN) | 172 |
| Basic load ratings : C0r(kN) | 143 |
| Fatigue load limit : Cu(kN) | 19.8 |
| Limiting speeds(Grease lub.)(min-1) | 5100 |
| Limiting speeds(Oil lub.)(min-1) | 6700 |
| sd1(mm) | - |
| B1(mm) | - |
| B2(mm) | - |
Mounting dimensions
| da(min.)(mm) | - |
|---|---|
| db(min.)(mm) | 64 |
| db(max.)(mm) | 69 |
| dc(min.)(mm) | - |
| dd(min.)(mm) | - |
| Da(max.)(mm) | 111 |
| Db(max.)(mm) | - |
| Db(min.)(mm) | - |
| ra(max.)(mm) | 2 |
| rb(max.)(mm) | 2 |
Refer.
| (Refer.)Mass(kg) | 1.50 |
|---|
2025/05/22