These matched sets of two super-precision, high-speed, E design, single row angular contact ball bearings are available in a variety of arrangements. Compared to the equivalent SKF B design high-speed bearings, these have a slightly higher speed capability and can accommodate heavier loads.
| Universal matching bearing(s) |
No
|
| d |
15 mm
|
Bore diameter |
|---|---|---|
| D |
32 mm
|
Outside diameter |
| B |
18 mm
|
Width |
| d1 |
20.65 mm
|
Shoulder diameter of inner ring (large side face) |
| r1,2 |
min. 0.3 mm
|
Chamfer dimension |
| r3,4 |
min. 0.15 mm
|
Chamfer dimension |
| da |
min. 17 mm
|
Diameter of shaft abutment |
|---|---|---|
| Db |
max. 30.6 mm
|
Diameter of housing abutment |
| ra |
max. 0.3 mm
|
Radius of fillet |
| rb |
max. 0.15 mm
|
Radius of fillet |
| dn |
21.9 mm
|
Position of oil nozzle |
| Basic dynamic load rating | C |
7 150 N
|
|---|---|---|
| Basic static load rating | C0 |
3 800 N
|
| Fatigue load limit | Pu |
163 N
|
| Attainable speeds |
Contact SKF for the attainable speeds
|
|
| Contact angle | α |
15 °
|
| Ball diameter | Dw |
4.762 mm
|
| Number of rows | i |
2
|
| Number of balls (per bearing) | z |
12
|
| Reference grease quantity (per bearing) | Gref |
0.5 cm³
|
| Preload class |
B
|
|
| Preload | G |
70 N
|
| Axial stiffness |
25 N/µm
|
| Correction factor dependent on bearing series and size | f |
1.03
|
|---|---|---|
| Correction factor dependent on contact angle | f1 |
1
|
| Correction factor, preload class B | f2B |
1.03
|
| Correction factor for hybrid bearings | fHC |
1
|
| Calculation factor for equivalent loads | f0 |
7.3
|
|---|---|---|
| Additional factors for equivalent loads |
Refer to Notes 1 and 2 below
|
| Mass |
0.056 kg
|
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