FOR REFERENCE ONLY
Bearing No. 6903NR
Specification data (main dimensions, etc.)
| d(mm) | 17 |
|---|---|
| D(mm) | 30 |
| B(mm) | 7 |
| r(min.)(mm) | 0.3 |
| r1(min.)(mm) | 0.3 |
| Basic load ratings : Cr(kN) | 5.75 |
| Basic load ratings : C0r(kN) | 2.55 |
| Fatigue load limit : Cu(kN) | 0.130 |
| factor : f0 | 14.7 |
| Limiting speeds(Grease lub.)(min-1) | 23000 |
| Limiting speeds(Oil lub.)(min-1) | 28000 |
| Dimensions of locating snap ring : D2(min.)(mm) | 32.8 |
| Dimensions of locating snap ring : f(±0.05)(mm) | 0.8 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 19 mm |
|---|---|
| Da(max.)(mm) | 28 mm |
| Dx(min.)(mm) | 33.5 mm |
| Cy(max.)(mm) | 1.9 mm |
| ra(max.)(mm) | 0.3 mm |
| rb(max.)(mm) | 0.3 mm |
| Mass(Refer.)(kg) | 0.018 kg |
2026/08/12