FOR REFERENCE ONLY
>
Bearing No. 6909NR
Specifications
(Boundary dimensions ...etc)
| d(mm) | 45 |
|---|---|
| D(mm) | 68 |
| B(mm) | 12 |
| r(min.)(mm) | 0.6 |
| r1(min.)(mm) | 0.6 |
| Basic load ratings : Cr(kN) | 17.7 |
| Basic load ratings : C0r(kN) | 10.9 |
| Fatigue load limit : Cu(kN) | 0.600 |
| factor : f0() | 15.9 |
| Limiting speeds(Grease lub.)(min-1) | 9700 |
| Limiting speeds(Oil lub.)(min-1) | 11000 |
| Dimensions of snap ring groove : D1(max.)(mm) | |
| Dimensions of snap ring groove : a(max.)(mm) | |
| Dimensions of snap ring groove : b(±0.05)(mm) | |
| Dimensions of snap ring groove : r0(max.)(mm) | |
| Dimensions of locating snap ring : D2(min.)(mm) | 70.8 |
| Dimensions of locating snap ring : f(±0.05)(mm) | 0.8 |
Mounting dimensions
| da(min.)(mm) | 49 |
|---|---|
| Da(max.)(mm) | 64 |
| Dx(min.)(mm) | 72 |
| Cy(max.)(mm) | 2.3 |
| ra(max.)(mm) | 0.6 |
| rb(max.)(mm) | 0.6 |
Refer.
| (Refer.)Mass(kg) | 0.132 |
|---|
2025/10/28