FOR REFERENCE ONLY
Bearing No. NNU4964K
Specification data (main dimensions, etc.)
| d(mm) | 320 |
|---|---|
| D(mm) | 440 |
| B(mm) | 118 |
| r(min.)(mm) | 3 |
| Fw(mm) | 352 |
| Ew(mm) | - |
| Basic load ratings : Cr(kN) | 1530 |
| Basic load ratings : C0r(kN) | 2750 |
| Fatigue load limit : Cu(kN) | 286 |
| Limiting speeds(Grease lub.)(min-1) | 1100 |
| Limiting speeds(Oil lub.)(min-1) | 1300 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 333 mm |
|---|---|
| da(max.)(mm) | 348 mm |
| db(min.)(mm) | 363 mm |
| Da(max.)(mm) | 427 mm |
| da(min.)(mm) | - mm |
| ra(max.)(mm) | 2.5 mm |
| Mass(Refer.)(kg) | 51.4 kg |
2026/07/04