These matched sets of two super-precision, high-capacity, D design, single row angular contact ball bearings with seals are available in a variety of arrangements. They are designed to accommodate heavy loads at relatively high speeds under low to moderate operating temperatures.
| Universal matching bearing(s) |
Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
|
| d |
150 mm
|
Bore diameter |
|---|---|---|
| D |
210 mm
|
Outside diameter |
| B |
56 mm
|
Width |
| d1 |
168.5 mm
|
Shoulder diameter of inner ring (large side face) |
| d2 |
168.5 mm
|
Shoulder diameter of inner ring (small side face) |
| D2 |
195.15 mm
|
Recess diameter of outer ring (large side face) |
| D4 |
201.85 mm
|
Recess diameter outer ring shoulder (small side face) |
| r1,2 |
min. 2 mm
|
Chamfer dimension |
| r3,4 |
min. 1 mm
|
Chamfer dimension |
| da |
min. 159 mm
|
Diameter of shaft abutment |
|---|---|---|
| da |
max. 167.7 mm
|
Diameter of shaft abutment |
| db |
min. 159 mm
|
Diameter of shaft abutment |
| db |
max. 167.7 mm
|
Diameter of shaft abutment |
| Da |
max. 201 mm
|
Diameter of housing abutment |
| Db |
max. 205 mm
|
Diameter of housing abutment |
| ra |
max. 2 mm
|
Radius of fillet |
| rb |
max. 1 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
178 000 N
|
|---|---|---|
| Basic static load rating | C0 |
250 000 N
|
| Fatigue load limit | Pu |
5 700 N
|
| Attainable speeds |
Contact SKF for the attainable speeds
|
|
| Contact angle | α |
25 °
|
| Ball diameter | Dw |
19.05 mm
|
| Number of rows | i |
2
|
| Number of balls (per bearing) | z |
23
|
| Preload class |
B
|
|
| Preload | G |
1 480 N
|
| Axial stiffness |
496 N/µm
|
| Correction factor dependent on bearing series and size | f |
1.24
|
|---|---|---|
| Correction factor dependent on contact angle | f1 |
0.98
|
| Correction factor, preload class B | f2B |
1.07
|
| Correction factor for hybrid bearings | fHC |
1.04
|
| Calculation factor | e |
0.68
|
|---|---|---|
| Axial load factor (single, tandem) | Y1 |
0
|
| Axial load factor (single, tandem) | Y2 |
0.87
|
| Axial load factor (single, tandem) | Y0 |
0.38
|
| Radial load factor (single, tandem) | X1 |
1
|
| Radial load factor (single, tandem) | X2 |
0.41
|
| Radial load factor (single, tandem) | X0 |
0.5
|
| Axial load factor (back-to-back, face-to-face) | Y1 |
0.92
|
| Axial load factor (back-to-back, face-to-face) | Y2 |
1.41
|
| Axial load factor (back-to-back, face-to-face) | Y0 |
0.76
|
| Radial load factor (back-to-back, face-to-face) | X1 |
1
|
| Radial load factor (back-to-back, face-to-face) | X2 |
0.67
|
| Radial load factor (back-to-back, face-to-face) | X0 |
1
|
| Mass |
4.2 kg
|
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