Designations
cylindrical bore :21308 E
tapered bore :21308 EK
Dimensions
d
mm :40
D
mm :90
B
mm :23
Basic load ratings
dynamic C
KN :107
static C0
KN :108
Fatigue load limit
Pu
KN :11.8
Speed ratings
Reference speed
r/min :7000
Limiting speed
r/min :9500
Install Dimensions
d2 ≈ :60
D1 ≈ :79.8
b :5.5
K :3
r1,2 min :1.5
Abutment and illet dimensions
da min
mm :49
da max :–
Da max :81
ra max :1.5
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 :0.75
