- Tapered roller bearings
- Single-row
- Inch series
>
Bearing No. 1988R/22
Specifications
(Boundary dimensions ...etc)
d(mm) | 28.575 |
---|
D(mm) | 57.150 |
---|
T(mm) | 19.845 |
---|
B(mm) | 19.355 |
---|
C(mm) | 15.875 |
---|
r(min.)(mm) | 3.6 |
---|
r1(min.)(mm) | 1.6 |
---|
Basic load ratings : Cr(kN) | 60.8 |
---|
Basic load ratings : C0r(kN) | 57.1 |
---|
Fatigue load limit : Cu(kN) | 8.25 |
---|
Limiting speeds(Grease lub.)(min-1) | 7000 |
---|
Limiting speeds(Oil lub.)(min-1) | 9300 |
---|
Load center spread : a(mm) | 13.9 |
---|
Constant :e() | 0.33 |
---|
Axial load factors : Y1() | 1.82 |
---|
Axial load factors : Y0() | 1.00 |
Mounting dimensions
da(mm) | 39.5 |
---|
db(mm) | 33.5 |
---|
Da(mm) | 51.0 |
---|
Db(mm) | 53.5 |
---|
ra(max.)(mm) | 3.6 |
---|
rb(max.)(mm) | 1.6 |
Refer.