FOR REFERENCE ONLY
Bearing No. NNU4921
Specification data (main dimensions, etc.)
| d(mm) | 105 |
|---|---|
| D(mm) | 145 |
| B(mm) | 40 |
| r(min.)(mm) | 1.1 |
| Fw(mm) | 118 |
| Ew(mm) | - |
| Basic load ratings : Cr(kN) | 196 |
| Basic load ratings : C0r(kN) | 306 |
| Fatigue load limit : Cu(kN) | 40.2 |
| Limiting speeds(Grease lub.)(min-1) | 3900 |
| Limiting speeds(Oil lub.)(min-1) | 4600 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 111.5 mm |
|---|---|
| da(max.)(mm) | 116 mm |
| db(min.)(mm) | 120 mm |
| Da(max.)(mm) | 138.5 mm |
| da(min.)(mm) | - mm |
| ra(max.)(mm) | 1 mm |
| Mass(Refer.)(kg) | 2.00 kg |
2026/08/02