Designation
With shiled :688A
Open type :688AZZ1
With seal VV :688AVV
With seal DD :688ADD
Principal dimensions（mm）
d :8
D :16
B :4
B1 :5
r(min) :0.2
Basic load ratings(N)
Cr :1610
Cor :710
Basic load ratings{kgf}
Cr :164
Cor :73
Speed ratings(rpm)
Grease
ZZ :36000
D·D :28000
Oil
Z :43000
Abutment and fillet dimensions (mm)
da(min) :9.6
db(max) :10.2
Da(Max) :14.4
Db(min) :14.2
ra(max) :0.2
rb(max) :0.2
Weight(g)
Open type :3.12
With shiled :4.02
