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

Bearing No. 30317R
Specifications
(Boundary dimensions ...etc)
| d(mm) | 85 |
|---|
| D(mm) | 180 |
|---|
| T(mm) | 44.5 |
|---|
| B(mm) | 41 |
|---|
| C(mm) | 34 |
|---|
| r(min.)(mm) | 4 |
|---|
| r1(min.)(mm) | 3 |
|---|
| Basic load ratings : Cr(kN) | 381 |
|---|
| Basic load ratings : C0r(kN) | 367 |
|---|
| Fatigue load limit : Cu(kN) | 51.1 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 2200 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 2900 |
|---|
| Load center spread : a(mm) | 35.8 |
|---|
| Constant e() | 0.35 |
|---|
| Axial load factors : Y1() | 1.73 |
|---|
| Axial load factors : Y0() | 0.95 |
Mounting dimensions
| da(min.)(mm) | 103 |
|---|
| db(max.)(mm) | 107 |
|---|
| Da(max.)(mm) | 166 |
|---|
| Da(min.)(mm) | 156 |
|---|
| Db(min.)(mm) | 167 |
|---|
| Sa(min.)(mm) | 5 |
|---|
| Sb(min.)(mm) | 10.5 |
|---|
| ra(max.)(mm) | 3 |
|---|
| rb(max.)(mm) | 2.5 |
Refer.