Basic size (mm)
d :4
D :9
B :3,5
Basic load rating (kN)
C :0,54
Co :0,18
Fatigue load limit (kN)
Pu :0,007
Rated speed (r/min)
Reference speed :140000
Limit speed :70000
Weight (kg) :0,0010
Model
Seals on both sides :628/4-2Z
With seal on one side :-
Dimension(mm)
d :4
d1 :5,2
d2 :-
D2 :7,8
r1,2 :0,1
Shoulder and chamfer size
da :4,6
da :-
Da :8,4
ra :0,1
Calculation factor
kr :0,015
f0 :10
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