- Cylindrical roller bearings
- Single-row
- NNU
- Tapered type
Bearing No. NNU4934K
Specification data (main dimensions, etc.)
| d(mm) | 170 |
|---|
| D(mm) | 230 |
|---|
| B(mm) | 60 |
|---|
| r(min.)(mm) | 2 |
|---|
| Fw(mm) | 188.5 |
|---|
| Ew(mm) | - |
|---|
| Basic load ratings : Cr(kN) | 451 |
|---|
| Basic load ratings : C0r(kN) | 763 |
|---|
| Fatigue load limit : Cu(kN) | 86.4 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 2300 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 2800 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 179 mm |
|---|
| da(max.)(mm) | 186 mm |
|---|
| db(min.)(mm) | 192 mm |
|---|
| Da(max.)(mm) | 221 mm |
|---|
| da(min.)(mm) | - mm |
|---|
| ra(max.)(mm) | 2 mm |
|---|
| Mass(Refer.)(kg) | 6.88 kg |