FOR REFERENCE ONLY
>
Bearing No. 639
Specifications
(Boundary dimensions ...etc)
| d(mm) | 9 |
|---|---|
| D(mm) | 30 |
| B(mm) | 10 |
| r(min.)(mm) | 0.6 |
| Basic load ratings : Cr(kN) | 7.50 |
| Basic load ratings : C0r(kN) | 2.65 |
| Fatigue load limit : Cu(kN) | 0.210 |
| factor : f0() | 12.3 |
| Limiting speeds(Grease lub.)(min-1) | 24000 |
| Limiting speeds(Oil lub.)(min-1) | 29000 |
Mounting dimensions
| da(min.)(mm) | 13 |
|---|---|
| Da(max.)(mm) | 26 |
| ra(max.)(mm) | 0.6 |
Refer.
| (Refer.)Mass(g) | 35 |
|---|
2025/11/01