7909DT,7909DF,7909DB,7909A5
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7900 Series
Dimension and Parameters
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- Bearing Numbers
-
Single row7909A5
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DB7909DB
-
DF7909DF
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DT7909DT
- Principal dimensions(mm)
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d45
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D68
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B12
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r(min)0.6
-
r1(min)0.3
- Basic load ratings(N)
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Cr15100
-
Cor12700
- Basic load ratings(kgf)
-
Cr1540
-
Cor1290
- Value
-
fo16.2
- Limiting Speed (rpm)
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Grease12000
-
Oil17000
- Distance of action point(mm)
-
a19.2
- Abutment and fillet dimensions
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da(min)50
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Da(max)63
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ra(max)0.6
- Weight
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(kg)0.13
- Basic load ratings(duplex bearing) (N)
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Cr24600
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Cor25400
- Basic load ratings(duplex bearing) (kgf)
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Cr2510
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Cor2590
- Limiting Speed(duplex bearing) (rpm)
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Grease9500
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Oil13000
- Distance of action point (duplex bearing)(a0)
-
back-to-back arrangement38.4
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face-to-face arrangement14.4
- Installation dimensions(duplex bearing)
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db(min)-
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Db(max)65.5
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rb(max)0.3