Designation
With shiled :639
Open type :639ZZ
With seal VV :639VV
With seal DD :-
Principal dimensions（mm）
d :9
D :30
B :10
B1 :10
r(min) :0.6
Basic load ratings(N)
Cr :5100
Cor :2390
Basic load ratings{kgf}
Cr :520
Cor :244
Speed ratings(rpm)
Grease
ZZ :24000
D·D :-
Oil
Z :30000
Abutment and fillet dimensions (mm)
da(min) :13
db(max) :16.1
Da(Max) :26
Db(min) :25.6
ra(max) :0.6
rb(max) :0.6
Weight(g)
Open type :36.5
With shiled :36
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