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7900DF,7900DT,7900DB,7900A5
7900 Series
Dimension and Parameters
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- Bearing Numbers
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Single row7900A5
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DB7900DB
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DF7900DF
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DT7900DT
- Principal dimensions(mm)
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d10
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D22
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B6
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r(min)0.3
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r1(min)0.15
- Basic load ratings(N)
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Cr2880
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Cor1450
- Basic load ratings(kgf)
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Cr294
-
Cor148
- Value
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fo14.7
- Limiting Speed (rpm)
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Grease40000
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Oil56000
- Distance of action point(mm)
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a6.7
- Abutment and fillet dimensions
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da(min)12.5
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Da(max)19.5
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ra(max)0.3
- Weight
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(kg)0.009
- Basic load ratings(duplex bearing) (N)
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Cr4700
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Cor2900
- Basic load ratings(duplex bearing) (kgf)
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Cr475
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Cor296
- Limiting Speed(duplex bearing) (rpm)
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Grease32000
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Oil43000
- Distance of action point (duplex bearing)(a0)
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back-to-back arrangement13.5
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face-to-face arrangement1.5
- Installation dimensions(duplex bearing)
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db(min)-
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Db(max)20.8
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rb(max)0.15