- Tapered roller bearings
- Single-row
- Inch series
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Bearing No. 68450/712
Specifications
(Boundary dimensions ...etc)
d(mm) | 114.300 |
---|
D(mm) | 180.975 |
---|
T(mm) | 34.925 |
---|
B(mm) | 31.750 |
---|
C(mm) | 25.400 |
---|
r(min.)(mm) | 3.6 |
---|
r1(min.)(mm) | 3.2 |
---|
Basic load ratings : Cr(kN) | 216 |
---|
Basic load ratings : C0r(kN) | 247 |
---|
Fatigue load limit : Cu(kN) | 35.1 |
---|
Limiting speeds(Grease lub.)(min-1) | 2000 |
---|
Limiting speeds(Oil lub.)(min-1) | 2700 |
---|
Load center spread : a(mm) | 40.6 |
---|
Constant :e() | 0.50 |
---|
Axial load factors : Y1() | 1.21 |
---|
Axial load factors : Y0() | 0.66 |
Mounting dimensions
da(mm) | 127.0 |
---|
db(mm) | 131.0 |
---|
Da(mm) | 161.0 |
---|
Db(mm) | 170.0 |
---|
ra(max.)(mm) | 3.6 |
---|
rb(max.)(mm) | 3.2 |
Refer.