S7030 CDGA/P4A
These super-precision, high-capacity, 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 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, without the use of shims or similar devices.
Very high running accuracy
Very high load carrying capacity
Universally matchable
Non-contact seals
Integral sealing prolongs bearing service life
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Product Introduction
Dimensions
| d |
150 mm |
Bore diameter |
|---|---|---|
| D |
225 mm |
Outside diameter |
| B |
35 mm |
Width |
| d1 |
173.1 mm |
Shoulder diameter of inner ring (large side face) |
| d2 |
173.1 mm |
Shoulder diameter of inner ring (small side face) |
| D2 |
206.6 mm |
Recess diameter of outer ring (large side face) |
| r1,2 |
min.2.1 mm |
Chamfer dimension |
| r3,4 |
min.1 mm |
Chamfer dimension |
| a |
42.7 mm |
Distance from side face to pressure point |
Abutment dimensions
| da |
min.161 mm |
Diameter of shaft abutment |
|---|---|---|
| da |
max.172.3 mm |
Diameter of shaft abutment |
| db |
min.161 mm |
Diameter of shaft abutment |
| db |
max.172.3 mm |
Diameter of shaft abutment |
| Da |
max.214 mm |
Diameter of housing abutment |
| Db |
max.220 mm |
Diameter of housing abutment |
| ra |
max.2 mm |
Radius of fillet |
| rb |
max.1 mm |
Radius of fillet |
Calculation data
| Basic dynamic load rating | C |
172 kN |
|---|---|---|
| Basic static load rating | C0 |
190 kN |
| Fatigue load limit | Pu |
5.85 kN |
| Attainable speeds |
Refer to catalogue data or contact SKF for the attainable speeds |
|
| Contact angle | α |
15 ° |
| Ball diameter | Dw |
23.812 mm |
| Number of rows | i |
1 |
| Number of balls (per bearing) | z |
22 |
| Preload class |
A |
|
| Preload when unmounted | G |
650 N |
| Axial stiffness |
163 N/µm |
| Correction factor dependent on bearing series and size | f |
1.16 |
|---|---|---|
| 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 |
15.8 |
|---|---|---|
| Additional factors for equivalent loads |
Refer to Notes 1 and 2 below |
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