These super-precision, high-speed, E design, single row angular contact ball bearings, with non-contact seals, accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They are designed for high-speed operation and, compared to SKF B design high-speed bearings, have a slightly higher speed capability and can accommodate heavier loads. Being universally matchable, they can be used together in arrangements to provide effective load sharing, without the use of shims or similar devices.
| Universal matching bearing(s) |
Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
|
| d |
25 mm
|
Bore diameter |
|---|---|---|
| D |
42 mm
|
Outside diameter |
| B |
9 mm
|
Width |
| d1 |
30.7 mm
|
Shoulder diameter of inner ring (large side face) |
| d2 |
29.4 mm
|
Shoulder diameter of inner ring (small side face) |
| D2 |
38.4 mm
|
Recess diameter of outer ring (large side face) |
| r1,2 |
min. 0.3 mm
|
Chamfer dimension |
| r3,4 |
min. 0.15 mm
|
Chamfer dimension |
| a |
9 mm
|
Distance from side face to pressure point |
| Diameter of shaft abutment | da |
min. 27 mm
|
|---|---|---|
| Diameter of shaft abutment | da |
max. 30.3 mm
|
| Diameter of shaft abutment | db |
min. 27 mm
|
| Diameter of shaft abutment | db |
max. 29 mm
|
| Diameter of housing abutment | Da |
max. 40 mm
|
| Diameter of housing abutment | Db |
max. 41.2 mm
|
| Radius of fillet | ra |
max. 0.3 mm
|
| Radius of fillet | rb |
max. 0.15 mm
|
| Basic dynamic load rating | C |
5.27 kN
|
|---|---|---|
| Basic static load rating | C0 |
2.8 kN
|
| Fatigue load limit | Pu |
0.118 kN
|
| Attainable speeds |
Contact SKF for the attainable speeds
|
|
| Contact angle | α |
15 °
|
| Ball diameter | Dw |
4.762 mm
|
| Number of rows | i |
1
|
| Number of balls (per bearing) | z |
16
|
| Preload class |
A
|
|
| Preload when unmounted | G |
28 N
|
| Axial stiffness |
20 N/µm
|
| Correction factor dependent on bearing series and size | f |
1.06
|
|---|---|---|
| Correction factor dependent on contact angle | f1 |
1
|
| Correction factor, preload class A | f2A |
1
|
| Correction factor for hybrid bearings | fHC |
1
|
| Calculation factor for equivalent loads | f0 |
8
|
|---|---|---|
| Additional factors for equivalent loads |
Refer to Notes 1 and 2 below
|
|
| Axial load factor (back-to-back, face-to-face) | Y0 |
0.92
|
| Radial load factor (back-to-back, face-to-face) | X1 |
1
|
| Radial load factor (back-to-back, face-to-face) | X2 |
0.72
|
| Radial load factor (back-to-back, face-to-face) | X0 |
1
|
| Mass |
0.042 kg
|
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