These super-precision, high-capacity, single row angular contact ball bearings accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They are designed to accommodate heavy loads at relatively high speeds under low to moderate operating temperatures. Being universally matchable, they can be used together in arrangements to provide effective load sharing, within a predetermined preload range, without the use of shims or similar devices.
| Universal matching bearing(s) |
Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
|
| d |
200 mm
|
Bore diameter |
|---|---|---|
| D |
310 mm
|
Outside diameter |
| B |
51 mm
|
Width |
| d1 |
233.9 mm
|
Shoulder diameter of inner ring (large side face) |
| d2 |
233.9 mm
|
Shoulder diameter of inner ring (small side face) |
| D1 |
276.1 mm
|
Shoulder diameter of outer ring (large side face) |
| r1,2 |
min. 2.1 mm
|
Chamfer dimension |
| r3,4 |
min. 1.1 mm
|
Chamfer dimension |
| a |
59.8 mm
|
Distance from side face to pressure point |
| da |
min. 211 mm
|
Diameter of shaft abutment |
|---|---|---|
| db |
min. 211 mm
|
Diameter of shaft abutment |
| Da |
max. 299 mm
|
Diameter of housing abutment |
| Db |
max. 304 mm
|
Diameter of housing abutment |
| ra |
max. 2 mm
|
Radius of fillet |
| rb |
max. 1 mm
|
Radius of fillet |
| dn |
243.2 mm
|
Position of oil nozzle |
| Basic dynamic load rating | C |
296 kN
|
|---|---|---|
| Basic static load rating | C0 |
390 kN
|
| Fatigue load limit | Pu |
10.2 kN
|
| Attainable speeds |
Contact SKF for the attainable speeds
|
|
| Contact angle | α |
15 °
|
| Ball diameter | Dw |
34.925 mm
|
| Number of rows | i |
1
|
| Number of balls (per bearing) | z |
21
|
| Reference grease quantity (per bearing) | Gref |
153 cm³
|
| Preload class |
A
|
|
| Preload when unmounted | G |
1 100 N
|
| Axial stiffness |
208 N/µm
|
| Correction factor dependent on bearing series and size | f |
1.14
|
|---|---|---|
| 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 |
15.6
|
|---|---|---|
| Additional factors for equivalent loads |
Refer to Notes 1 and 2 below
|
| Mass |
12.3 kg
|
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