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

Bearing No. 30312CR
Specifications
(Boundary dimensions ...etc)
| d(mm) | 60 |
|---|
| D(mm) | 130 |
|---|
| T(mm) | 33.5 |
|---|
| B(mm) | 31 |
|---|
| C(mm) | 23 |
|---|
| r(min.)(mm) | 3 |
|---|
| r1(min.)(mm) | 2.5 |
|---|
| Basic load ratings : Cr(kN) | 211 |
|---|
| Basic load ratings : C0r(kN) | 196 |
|---|
| Fatigue load limit : Cu(kN) | 30.5 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 3100 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 4200 |
|---|
| Load center spread : a(mm) | 31.9 |
|---|
| Constant e() | 0.55 |
|---|
| Axial load factors : Y1() | 1.10 |
|---|
| Axial load factors : Y0() | 0.60 |
Mounting dimensions
| da(min.)(mm) | 74 |
|---|
| db(max.)(mm) | 75 |
|---|
| Da(max.)(mm) | 118 |
|---|
| Da(min.)(mm) | 105 |
|---|
| Db(min.)(mm) | 121 |
|---|
| Sa(min.)(mm) | 5 |
|---|
| Sb(min.)(mm) | 10.5 |
|---|
| ra(max.)(mm) | 2.5 |
|---|
| rb(max.)(mm) | 2 |
Refer.