Designation :NU 311 ECM/C3VL0241
Principal dimensions(mm)
d :55
D :120
B :29
Basic load ratings(KN)
Cr :138
Cor :146
Fatique(KN)
Pu :19
Speed ratings(r/min)
Reference speed :5600
Limiting speed :7000
Mass(kg) :1.75
Dimensions(mm)
D1 ≈ :101
F :70.5
r1,2 min :2
r3,4 min :2
s max :2
Abutment and fillet dimensions(mm)
da min :66
da max :68
db min :73
Da min :106
Da max :109
ra max :2
rb max :2
Calculation factor
kr :0.15
