- Tapered roller bearings
- Single-row
- Metric series
>

Bearing No. 30244JR
Specifications
(Boundary dimensions ...etc)
| d(mm) | 220 |
|---|
| D(mm) | 400 |
|---|
| T(mm) | 72 |
|---|
| B(mm) | 65 |
|---|
| C(mm) | 54 |
|---|
| r(min.)(mm) | 5 |
|---|
| r1(min.)(mm) | 4 |
|---|
| Basic load ratings : Cr(kN) | 1260 |
|---|
| Basic load ratings : C0r(kN) | 1440 |
|---|
| Fatigue load limit : Cu(kN) | 160 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 830 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 1100 |
|---|
| Load center spread : a(mm) | 76.5 |
|---|
| Constant e() | 0.44 |
|---|
| Axial load factors : Y1() | 1.43 |
|---|
| Axial load factors : Y0() | 0.79 |
Mounting dimensions
| da(min.)(mm) | 242 |
|---|
| db(max.)(mm) | 263 |
|---|
| Da(max.)(mm) | 382 |
|---|
| Da(min.)(mm) | 344 |
|---|
| Db(min.)(mm) | 371 |
|---|
| Sa(min.)(mm) | 14 |
|---|
| Sb(min.)(mm) | 17 |
|---|
| ra(max.)(mm) | 4 |
|---|
| rb(max.)(mm) | 3 |
Refer.