7903DT,7903DF,7903DB,7903A5
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7900 Series
Dimension and Parameters
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- Bearing Numbers
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Single row7903A5
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DB7903DB
-
DF7903DF
-
DT7903DT
- Principal dimensions(mm)
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d17
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D30
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B7
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r(min)0.3
-
r1(min)0.15
- Basic load ratings(N)
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Cr4750
-
Cor2800
- Basic load ratings(kgf)
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Cr485
-
Cor286
- Value
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fo15.1
- Limiting Speed (rpm)
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Grease30000
-
Oil40000
- Distance of action point(mm)
-
a9
- Abutment and fillet dimensions
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da(min)19.5
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Da(max)27.5
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ra(max)0.3
- Weight
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(kg)0.017
- Basic load ratings(duplex bearing) (N)
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Cr7750
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Cor5600
- Basic load ratings(duplex bearing) (kgf)
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Cr790
-
Cor570
- Limiting Speed(duplex bearing) (rpm)
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Grease24000
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Oil32000
- Distance of action point (duplex bearing)(a0)
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back-to-back arrangement18
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face-to-face arrangement4
- Installation dimensions(duplex bearing)
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db(min)-
-
Db(max)28.8
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rb(max)0.15