Designation
With shiled :628
Open type :628ZZ
With seal VV :628VV
With seal DD :628DD
Principal dimensions（mm）
d :8
D :24
B :8
B1 :8
r(min) :0.3
Basic load ratings(N)
Cr :3350
Cor :1430
Basic load ratings{kgf}
Cr :340
Cor :146
Speed ratings(rpm)
Grease
ZZ :28000
D·D :24000
Oil
Z :34000
Abutment and fillet dimensions (mm)
da(min) :10
db(max) :12
Da(Max) :22
Db(min) :20.5
ra(max) :0.3
rb(max) :0.3
Weight(g)
Open type :17.2
With shiled :17.4
