7904DT,7904DF,7904DB,7904C
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7900 Series
Dimension and Parameters
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- Bearing Numbers
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Single row7904C
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DB7904DB
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DF7904DF
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DT7904DT
- Principal dimensions(mm)
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d20
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D37
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B9
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r(min)0.3
-
r1(min)0.15
- Basic load ratings(N)
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Cr6950
-
Cor4250
- Basic load ratings(kgf)
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Cr710
-
Cor430
- Value
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fo14.9
- Limiting Speed (rpm)
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Grease28000
-
Oil38000
- Distance of action point(mm)
-
a8.3
- Abutment and fillet dimensions
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da(min)22.5
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Da(max)34.5
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ra(max)0.3
- Weight
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(kg)0.036
- Basic load ratings(duplex bearing) (N)
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Cr11300
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Cor8500
- Basic load ratings(duplex bearing) (kgf)
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Cr1150
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Cor865
- Limiting Speed(duplex bearing) (rpm)
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Grease22000
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Oil32000
- Distance of action point (duplex bearing)(a0)
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back-to-back arrangement16.6
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face-to-face arrangement1.4
- Installation dimensions(duplex bearing)
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db(min)-
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Db(max)35.8
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rb(max)0.15