Designation
With shiled :684A
Open type :684AZZ
With seal VV :-
With seal DD :-
Principal dimensions（mm）
d :4
D :9
B :2.5
B1 :4
r(min) :-0.15
Basic load ratings(N)
Cr :640
Cor :225
Basic load ratings{kgf}
Cr :65
Cor :23
Speed ratings(rpm)
Grease
ZZ :53000
D·D :-
Oil
Z :63000
Abutment and fillet dimensions (mm)
da(min) :4.8
db(max) :5.2
Da(Max) :8.2
Db(min) :8.1
ra(max) :0.1
rb(max) :0.1
Weight(g)
Open type :0.63
With shiled :1.01
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