These matched sets of two super-precision, high-speed, E design, single row angular contact ball bearings with seals 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 |
40 mm
|
Bore diameter |
|---|---|---|
| D |
68 mm
|
Outside diameter |
| B |
30 mm
|
Width |
| d1 |
49.7 mm
|
Shoulder diameter of inner ring (large side face) |
| D4 |
62.98 mm
|
Recess diameter outer ring shoulder (small side face) |
| r1,2 |
min. 1 mm
|
Chamfer dimension |
| r3,4 |
min. 0.6 mm
|
Chamfer dimension |
| da |
min. 44.6 mm
|
Diameter of shaft abutment |
|---|---|---|
| da |
max. 49.1 mm
|
Diameter of shaft abutment |
| Db |
max. 63.8 mm
|
Diameter of housing abutment |
| ra |
max. 1 mm
|
Radius of fillet |
| rb |
max. 0.6 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
19 500 N
|
|---|---|---|
| Basic static load rating | C0 |
15 000 N
|
| Fatigue load limit | Pu |
465 N
|
| Attainable speeds |
Contact SKF for the attainable speeds
|
|
| Contact angle | α |
18 °
|
| Ball diameter | Dw |
7.144 mm
|
| Number of rows | i |
2
|
| Number of balls (per bearing) | z |
19
|
| Preload class |
G2
|
|
| Preload | G |
20 N
|
| Correction factor dependent on bearing series and size | f |
1.06
|
|---|---|---|
| Correction factor dependent on contact angle | f1 |
1
|
| Correction factor for hybrid bearings | fHC |
1.01
|
| Calculation factor for equivalent loads | f0 |
8.1
|
|---|---|---|
| Additional factors for equivalent loads |
Refer to Notes 1 and 2 below
|
| Mass |
0.35 kg
|
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