Designation
Both sides with seals :*6311-2Z
Basic size(mm)
d :55
D :120
B :29
Basic load ratings(KN)
C :74,1
C0 :45
Fatigue load limit(KN) :1,9
Rated speed(r/min)
Reference speed :12000
Limiting speed :6300
Mass(KG) :1,35
Size
d :55
d1~ :75,3
D1~ :
D2~ :104
r1,2(min) :2
Shoulder and chamfer dimensions
da（min)） :66
Da(max) :
ra(max) :109
Calculation coefficient
kr :2
f0 :0,03
