- Deep groove ball bearings
- Single-row
>
Bearing No. 6909NR
Specifications
(Boundary dimensions ...etc)
d(mm) | 45 |
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D(mm) | 68 |
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B(mm) | 12 |
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r(min.)(mm) | 0.6 |
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r1(min.)(mm) | 0.6 |
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Basic load ratings : Cr(kN) | 17.7 |
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Basic load ratings : C0r(kN) | 10.9 |
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Fatigue load limit : Cu(kN) | 0.600 |
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factor : f0() | 15.9 |
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Limiting speeds(Grease lub.)(min-1) | 9700 |
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Limiting speeds(Oil lub.)(min-1) | 11000 |
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Dimensions of snap ring groove : D1(max.)(mm) | |
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Dimensions of snap ring groove : a(max.)(mm) | |
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Dimensions of snap ring groove : b(±0.05)(mm) | |
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Dimensions of snap ring groove : r0(max.)(mm) | |
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Dimensions of locating snap ring : D2(min.)(mm) | 70.8 |
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Dimensions of locating snap ring : f(±0.05)(mm) | 0.8 |
Mounting dimensions
da(min.)(mm) | 49 |
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Da(max.)(mm) | 64 |
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Dx(min.)(mm) | 72 |
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Cy(max.)(mm) | 2.3 |
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ra(max.)(mm) | 0.6 |
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rb(max.)(mm) | 0.6 |
Refer.