These matched sets of two super-precision, high-capacity, D design, single row angular contact ball bearings are available in a variety of arrangements. They are designed for high-load capacity and relatively high speed operation and, compared to the equivalent SKF B and E design high-speed bearings, are best suited for heavier loads.
| Universal matching bearing(s) |
No
|
| d |
40 mm
|
Bore diameter |
|---|---|---|
| D |
80 mm
|
Outside diameter |
| B |
36 mm
|
Width |
| d1 |
53.3 mm
|
Shoulder diameter of inner ring (large side face) |
| r1,2 |
min. 1.1 mm
|
Chamfer dimension |
| r3,4 |
min. 0.6 mm
|
Chamfer dimension |
| da |
min. 47 mm
|
Diameter of shaft abutment |
|---|---|---|
| Db |
max. 75.8 mm
|
Diameter of housing abutment |
| ra |
max. 1 mm
|
Radius of fillet |
| rb |
max. 0.6 mm
|
Radius of fillet |
| dn |
56.2 mm
|
Position of oil nozzle |
| Basic dynamic load rating | C |
55 300 N
|
|---|---|---|
| Basic static load rating | C0 |
48 000 N
|
| Fatigue load limit | Pu |
2 040 N
|
| Attainable speeds |
Contact SKF for the attainable speeds
|
|
| Contact angle | α |
15 °
|
| Ball diameter | Dw |
11.112 mm
|
| Number of rows | i |
2
|
| Number of balls (per bearing) | z |
14
|
| Reference grease quantity (per bearing) | Gref |
4.725 cm³
|
| Preload class |
G120
|
|
| Preload | G |
1 200 N
|
| Correction factor dependent on bearing series and size | f |
1.05
|
|---|---|---|
| Correction factor dependent on contact angle | f1 |
1
|
| Correction factor for hybrid bearings | fHC |
1
|
| Calculation factor for equivalent loads | f0 |
14.4
|
|---|---|---|
| Additional factors for equivalent loads |
Refer to Notes 1 and 2 below
|
| Mass |
0.75 kg
|
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