Matched set of two super-precision, high-speed E design, single row angular contact ball bearings with seals
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.
- Very high running accuracy
- Accommodate very high speeds
- Non-contact seals
- Integral sealing prolongs bearing service life
Dimensions
| d |
20 mm
|
Bore diameter |
| D |
42 mm
|
Outside diameter |
| B |
24 mm
|
Width |
| d1 |
26.6 mm
|
Shoulder diameter of inner ring (large side face) |
| d2 |
24.8 mm
|
Shoulder diameter of inner ring (small side face) |
| D2 |
36.5 mm
|
Recess diameter of outer ring (large side face) |
| D4 |
38.4 mm
|
Recess diameter outer ring shoulder (small side face) |
| r1,2 |
min.0.6 mm
|
Chamfer dimension |
| r3,4 |
min.0.3 mm
|
Chamfer dimension |
Abutment dimensions
| da |
min.22 mm
|
Diameter of shaft abutment |
| da |
max.26.2 mm
|
Diameter of shaft abutment |
| db |
min.22 mm
|
Diameter of shaft abutment |
| db |
max.24.4 mm
|
Diameter of shaft abutment |
| Da |
max.40 mm
|
Diameter of housing abutment |
| Db |
max.39.6 mm
|
Diameter of housing abutment |
| ra |
max.0.6 mm
|
Radius of fillet |
| rb |
max.0.3 mm
|
Radius of fillet |
Calculation data
| Basic dynamic load rating |
C |
12.1 kN
|
| Basic static load rating |
C0 |
6.7 kN
|
| Fatigue load limit |
Pu |
0.208 kN
|
| Attainable speed for grease lubrication |
|
To be calculated: Single bearing (65000) x speed reduction factor (see table below)
|
| Attainable speed for oil-air lubrication |
|
To be calculated: Single bearing () x speed reduction factor (see table below)
|
| Contact angle |
α |
15 °
|
| Ball diameter |
Dw |
6.35 mm
|
| Number of rows |
i |
2
|
| Number of balls (per bearing) |
z |
12
|
Correction factors for preload calculation
| Correction factor dependent on bearing series and size |
f |
1.04
|
| Correction factor dependent on contact angle |
f1 |
1
|
| Correction factor for hybrid bearings |
fHC |
1.01
|
Factors for equivalent bearing load calculation
| Calculation factor for equivalent loads |
f0 |
7.2
|
