FOR REFERENCE ONLY
Bearing No. W684 ZZ
Specification data (main dimensions, etc.)
| d(mm) | 4 |
|---|---|
| D(mm) | 9 |
| B(mm) | 4 |
| r(min.)(mm) | 0.15 |
| Basic load ratings : Cr(kN) | 0.800 |
| Basic load ratings : C0r(kN) | 0.23 |
| Fatigue load limit : Cu(kN) | 0.006 |
| factor : f0 | 12.8 |
| Limiting speeds(Grease lub.)(min-1) | 59000 |
| Limiting speeds(Oil lub.)(min-1) | - |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 5.2 mm |
|---|---|
| Da(max.)(mm) | 7.8 mm |
| ra(max.)(mm) | 0.1 mm |
| Mass(Refer.)(g) | 0.6 g |
2026/08/02