SKF 21308E Spherical roller bearings
Spherical roller bearings
- Popular item
Description
SKF 21308E specification parameter：
| d |
40 mm
|
Bore diameter |
|---|---|---|
| D |
90 mm
|
Outside diameter |
| B |
23 mm
|
Width |
| d2 |
≈60 mm
|
Shoulder diameter of inner ring |
| D1 |
≈79.8 mm
|
Shoulder/recess diameter of outer ring |
| b |
5.5 mm
|
Width of lubrication groove |
| K |
3 mm
|
Diameter of lubrication hole |
| r1,2 |
min.1.5 mm
|
Chamfer dimension |
ABUTMENT DIMENSIONS
| da |
min.49 mm
|
Diameter of shaft abutment |
|---|---|---|
| Da |
max.81 mm
|
Diameter of housing abutment |
| ra |
max.1.5 mm
|
Radius of fillet |
CALCULATION DATA
| Basic dynamic load rating | C |
107 kN
|
|---|---|---|
| Basic static load rating | C0 |
108 kN
|
| Fatigue load limit | Pu |
11.8 kN
|
| Reference speed |
7 000 r/min
|
|
| Limiting speed |
9 500 r/min
|
|
| Limiting value | e |
0.24
|
| Axial load factor | Y1 |
2.8
|
| Axial load factor | Y2 |
4.2
|
| Axial load factor | Y0 |
2.8
|
MASS
| Mass |
0.74 kg
|
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