- Tapered roller bearings
- Single-row
- Metric series
>
Bearing No. 30208JR
Specifications
(Boundary dimensions ...etc)
d(mm) | 40 |
---|
D(mm) | 80 |
---|
T(mm) | 19.75 |
---|
B(mm) | 18 |
---|
C(mm) | 16 |
---|
r(min.)(mm) | 1.5 |
---|
r1(min.)(mm) | 1.5 |
---|
Basic load ratings : Cr(kN) | 78.4 |
---|
Basic load ratings : C0r(kN) | 69.2 |
---|
Fatigue load limit : Cu(kN) | 10.3 |
---|
Limiting speeds(Grease lub.)(min-1) | 5000 |
---|
Limiting speeds(Oil lub.)(min-1) | 6700 |
---|
Load center spread : a(mm) | 17.0 |
---|
Constant e() | 0.37 |
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Axial load factors : Y1() | 1.60 |
---|
Axial load factors : Y0() | 0.88 |
Mounting dimensions
da(min.)(mm) | 48.5 |
---|
db(max.)(mm) | 49 |
---|
Da(max.)(mm) | 71.5 |
---|
da(min.)(mm) | 69 |
---|
db(min.)(mm) | 75 |
---|
Sa(min.)(mm) | 3 |
---|
Sb(min.)(mm) | 3.5 |
---|
ra(max.)(mm) | 1.5 |
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rb(max.)(mm) | 1.5 |
Refer.