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

Bearing No. 749AR/742
Specifications
(Boundary dimensions ...etc)
| d(mm) | 82.550 |
|---|
| D(mm) | 150.089 |
|---|
| T(mm) | 44.450 |
|---|
| B(mm) | 46.672 |
|---|
| C(mm) | 36.512 |
|---|
| r(min.)(mm) | 3.6 |
|---|
| r1(min.)(mm) | 3.2 |
|---|
| Basic load ratings : Cr(kN) | 330 |
|---|
| Basic load ratings : C0r(kN) | 368 |
|---|
| Fatigue load limit : Cu(kN) | 50.1 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 2500 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 3400 |
|---|
| Load center spread : a(mm) | 32.4 |
|---|
| Constant :e() | 0.33 |
|---|
| Axial load factors : Y1() | 1.84 |
|---|
| Axial load factors : Y0() | 1.01 |
Mounting dimensions
| da(mm) | 99.0 |
|---|
| db(mm) | 93.0 |
|---|
| Da(mm) | 134.0 |
|---|
| Db(mm) | 142.0 |
|---|
| ra(max.)(mm) | 3.6 |
|---|
| rb(max.)(mm) | 3.2 |
Refer.