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68 Series

687

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  • 68 Series
  • 68 Series

Dimension and Parameters

Designation
With shiled :687
Open type :687ZZ1
With seal VV :687VV
With seal DD :687DD
Principal dimensions（mm）
d :7
D :14
B :3.5
B1 :5
r(min) :0.15
Basic load ratings(N)
Cr :1170
Cor :510
Basic load ratings{kgf}
Cr :120
Cor :52
Speed ratings(rpm)
Grease
ZZ :40000
D·D :34000
Oil
Z :45000
Abutment and fillet dimensions (mm)
da(min) :8.2
db(max) :8.5
Da(Max) :12.8
Db(min) :12.7
ra(max) :0.15
rb(max) :0.15
Weight(g)
Open type :2.13
With shiled :2.97