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Boundary dimensions |
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bearing internal diameter range |
d [mm] |
30-49 |
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bearing internal diameter |
d [mm] |
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bearing external diameter |
D [mm] |
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bearing width |
B [mm] |
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d1 |
[mm] |
47 |
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D1 |
[mm] |
60 |
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Abutment and fillet dimensions |
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r1, r2 |
[mm] |
1,1 |
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r3, r4 |
[mm] |
0,3 |
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contact angle |
α [°] |
15 |
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a |
[mm] |
16 |
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da |
[mm] |
42 |
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Other bearing features |
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Db |
[mm] |
69,6 |
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Da |
[mm] |
65 |
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ra |
[mm] |
1 |
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rb |
[mm] |
0,3 |
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Seal |
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no |
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oil nozzle position |
dn [mm] |
49,7 |
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Speed rating with grease |
[1/min] |
20 000 |
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Speed rating with oil |
[1/min] |
34 000 |
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dynamic load rating |
C [N] |
31 900 |
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static load rating |
Co [N] |
21 600 |
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fatigue load limit |
Pu [N] |
915 |
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calculation factor |
[fo ] |
14 |
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Light preload |
Class A [N] |
120 |
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Medium preload |
Class B [N] |
240 |
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Heavy preload |
Class C [N] |
480 |
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mean diameter |
P [mm] |
53,5 |
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ball diameter |
dw [mm] |
11,11 |
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ball number |
[Z ] |
13 |
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Bearing materials |
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All-steel |
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Mass |
[kg] |
0,28 |
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