Designations
cylindrical bore :21311 E
tapered bore :21311 EK
Dimensions
d
mm :55
D
mm :120
B
mm :29
Basic load ratings
dynamic C
KN :159
static C0
KN :166
Fatigue load limit
Pu
KN :18.6
Speed ratings
Reference speed
r/min :5600
Limiting speed
r/min :7500
Install Dimensions
d2 ≈ :72.7
D1 ≈ :96.2
b :6
K :3
r1,2 min :2
Abutment and illet dimensions
da min
mm :66
da max :–
Da max :109
ra max :2
Calculation factors
e :0.24
Y1 :2.8
Y2 :4.2
Y0 :2.8
Permissible acceleration for oil lubrication
rotational
m/s2 :–
linear :–
Mass
kg :1.7
