7221DT,7221DF,7221DB,7221B
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7200 Series
Dimension and Parameters
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- Bearing Numbers
-
Single row7221B
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DB7221DB
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DF7221DF
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DT7221DT
- Principal dimensions(mm)
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d105
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D190
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B36
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r(min)2.1
-
r1(min)1.1
- Basic load ratings(N)
-
Cr142000
-
Cor129000
- Basic load ratings(kgf)
-
Cr14500
-
Cor13100
- Value
-
fo15.4
- Limiting Speed (rpm)
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Grease2600
-
Oil3600
- Distance of action point(mm)
-
a79.9
- Abutment and fillet dimensions
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da(min)117
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Da(max)178
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ra(max)2
- Weight
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(kg)3.92
- Basic load ratings(duplex bearing) (N)
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Cr231000
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Cor258000
- Basic load ratings(duplex bearing) (kgf)
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Cr23500
-
Cor26300
- Limiting Speed(duplex bearing) (rpm)
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Grease2200
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Oil3000
- Distance of action point (duplex bearing)(a0)
-
back-to-back arrangement159.8
-
face-to-face arrangement87.8
- Installation dimensions(duplex bearing)
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db(min)112
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Db(max)183
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rb(max)1