638DD,638VV,638ZZ1,638
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63 Series
Dimension and Parameters
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- Designation
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With shiled638
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Open type638ZZ1
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With seal VV638VV
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With seal DD638DD
- Principal dimensions（mm）
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d8
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D28
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B9
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B19
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r(min)0.3
- Basic load ratings(N)
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Cr4550
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Cor1970
- Basic load ratings{kgf}
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Cr465
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Cor201
- Speed ratings(rpm)
- Grease
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ZZ28000
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D·D22000
- Oil
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Z34000
- Abutment and fillet dimensions (mm)
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da(min)10
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db(max)12.8
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Da(Max)26
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Db(min)22.8
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ra(max)0.3
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rb(max)0.3
- Weight(g)
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Open type28.3
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With shiled28.6