- Tapered roller bearings
- Single-row
- Metric series
>
Bearing No. 30306DJR
Specifications
(Boundary dimensions ...etc)
d(mm) | 30 |
---|
D(mm) | 72 |
---|
T(mm) | 20.75 |
---|
B(mm) | 19 |
---|
C(mm) | 14 |
---|
r(min.)(mm) | 1.5 |
---|
r1(min.)(mm) | 1.5 |
---|
Basic load ratings : Cr(kN) | 63.5 |
---|
Basic load ratings : C0r(kN) | 54.9 |
---|
Fatigue load limit : Cu(kN) | 7.70 |
---|
Limiting speeds(Grease lub.)(min-1) | 4900 |
---|
Limiting speeds(Oil lub.)(min-1) | 6800 |
---|
Load center spread : a(mm) | 23.7 |
---|
Constant e() | 0.83 |
---|
Axial load factors : Y1() | 0.73 |
---|
Axial load factors : Y0() | 0.40 |
Mounting dimensions
da(min.)(mm) | 38.5 |
---|
db(max.)(mm) | 40 |
---|
Da(max.)(mm) | 63.5 |
---|
da(min.)(mm) | 55 |
---|
db(min.)(mm) | 68 |
---|
Sa(min.)(mm) | 3 |
---|
Sb(min.)(mm) | 6.5 |
---|
ra(max.)(mm) | 1.5 |
---|
rb(max.)(mm) | 1.5 |
Refer.