Basic size (mm)
d :60
D :85
B :25
Basic load rating (kN)
C :78,1
Co :137
Fatigue load limit (kN)
Pu :14,3
Rated speed (r/min)
Reference speed :3600
Limit speed :4500
Weight (kg) :0,49
Model :NNCF4912CV
size(mm)
d :60
d1 :70,5
D1 :73,5
E :77,51
b1 :4,5
k :3,5
r1,2 :1
s1) :1
Shoulder and chamfer size
da :64,6
das2) :68,5
Da :80,4
ra :1