Part Number:
d:
D:
B:
  • Spherical Roller Bearing
  • Spherical Roller Bearing
  • Spherical Roller Bearing
  • Spherical Roller Bearing

Dimension and Parameters

Designations
cylindrical bore :21318 E
tapered bore :21318 EK
Dimensions
d
mm :90
D
mm :190
B
mm :43
Basic load ratings
dynamic C
KN :393
static C0
KN :450
Fatigue load limit
Pu
KN :45.5
Speed ratings
Reference speed
r/min :3600
Limiting speed
r/min :4800
Install Dimensions
d2 ≈ :112
D1 ≈ :150
b :8.3
K :4.5
r1,2 min :3
Abutment and illet dimensions
da min
mm :104
da max :
Da max :176
ra max :2.5
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 :6.1