- Deep groove ball bearings
- Single-row
>
Bearing No. 6904NR
Specifications
(Boundary dimensions ...etc)
d(mm) | 20 |
---|
D(mm) | 37 |
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B(mm) | 9 |
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r(min.)(mm) | 0.3 |
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r1(min.)(mm) | 0.3 |
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Basic load ratings : Cr(kN) | 7.95 |
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Basic load ratings : C0r(kN) | 3.70 |
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Fatigue load limit : Cu(kN) | 0.190 |
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factor : f0() | 14.7 |
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Limiting speeds(Grease lub.)(min-1) | 19000 |
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Limiting speeds(Oil lub.)(min-1) | 23000 |
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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) | 39.8 |
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Dimensions of locating snap ring : f(±0.05)(mm) | 0.8 |
Mounting dimensions
da(min.)(mm) | 22 |
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Da(max.)(mm) | 35 |
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Dx(min.)(mm) | 40.5 |
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Cy(max.)(mm) | 2.3 |
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ra(max.)(mm) | 0.3 |
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rb(max.)(mm) | 0.3 |
Refer.