These super-precision, high-capacity, single row angular contact ball bearings, with 15° contact angle, 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.
| Universal matching bearing(s) |
No
|
| d |
35 mm
|
Bore diameter |
|---|---|---|
| D |
55 mm
|
Outside diameter |
| B |
10 mm
|
Width |
| d1 |
41.6 mm
|
Shoulder diameter of inner ring (large side face) |
| d2 |
41.6 mm
|
Shoulder diameter of inner ring (small side face) |
| D1 |
48.4 mm
|
Shoulder diameter of outer ring (large side face) |
| r1,2 |
min. 0.6 mm
|
Chamfer dimension |
| r3,4 |
min. 0.3 mm
|
Chamfer dimension |
| a |
11.1 mm
|
Distance from side face to pressure point |
| da |
min. 38.2 mm
|
Diameter of shaft abutment |
|---|---|---|
| db |
min. 38.2 mm
|
Diameter of shaft abutment |
| Da |
max. 51.8 mm
|
Diameter of housing abutment |
| Db |
max. 53.6 mm
|
Diameter of housing abutment |
| ra |
max. 0.6 mm
|
Radius of fillet |
| rb |
max. 0.3 mm
|
Radius of fillet |
| dn |
43 mm
|
Position of oil nozzle |
| Basic dynamic load rating | C |
9.75 kN
|
|---|---|---|
| Basic static load rating | C0 |
6.55 kN
|
| Fatigue load limit | Pu |
0.275 kN
|
| Attainable speed for grease lubrication |
26 000 r/min
|
|
| Attainable speed for oil-air lubrication |
40 000 r/min
|
|
| Contact angle | α |
15 °
|
| Ball diameter | Dw |
5.556 mm
|
| Number of rows | i |
1
|
| Number of balls (per bearing) | z |
21
|
| Reference grease quantity (per bearing) | Gref |
0.93 cm³
|
| Preload, class A | GA |
35 N
|
|---|---|---|
| Axial stiffnes for preload A (sets of two brgs back to back or face to face) |
32 N/µm
|
|
| Preload, class B | GB |
70 N
|
| Axial stiffness for preload B (sets of two brgs back-to-back or face-to-face) |
42 N/µm
|
|
| Preload, class C | GC |
140 N
|
| Axial stiffness for preload C (sets of two brgs back-to-back or face-to-face) |
58 N/µm
|
|
| Preload, class D | GD |
280 N
|
| Axial stiffness for preload D (sets of two brgs back-to-back or face-to-face) |
82 N/µm
|
| Correction factor dependent on bearing series and size | f |
1.1
|
|---|---|---|
| Correction factor dependent on contact angle | f1 |
1
|
| Correction factor, preload class A | f2A |
1
|
| Correction factor, preload class B | f2B |
1.04
|
| Correction factor, preload class C | f2C |
1.09
|
| Correction factor, preload class D | f2D |
1.15
|
| Correction factor for hybrid bearings | fHC |
1
|
| Calculation factor for equivalent loads | f0 |
10.4
|
|---|---|---|
| Additional factors for equivalent loads |
Refer to Notes 1 and 2 below
|
| Mass |
0.074 kg
|
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