Basic size (mm)
d :55
D :120
B :29
Basic load rating (kN)
C :74,1
Co :45
Fatigue load limit (kN)
Pu :1,9
Rated speed (r/min)
Reference speed :12000
Limit speed :6300
Weight (kg) :1,35
Model
Seals on both sides :*6311-2Z
With seal on one side :*6311-Z
Dimension(mm)
d :55
d1 :75,3
d2 :104
D2 :2
r1,2 :66
Shoulder and chamfer size
da :109
da :2
Da :0,03
ra :13
Calculation factor
kr :
f0 :
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