Home > Bearings Catalogue Online > Spherical Roller Bearings 
Bearing 21311EK (SKF)
Spherical roller bearings 21311EK
Bearing number : 21311EK
Size (mm) : 55x120x29
Brand : SKF
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 29
Bearing dimensions and specification in SKF catalogue:
d - 55 mm
D - 120 mm
B - 29 mm
C - 29 mm
b - 6 mm
d2 - 72,7 mm
r1 min. - 2 mm
r2 min. - 2 mm
D1 - 96,2 mm
K - 3 mm
da min. - 66 mm
Da max. - 109 mm
ra max. - 2 mm
Weight - 1,7 Kg
Basic dynamic load rating (C) - 156 kN
Basic static load rating (C0) - 166 kN
Fatigue load limit (Pu) - 18,6
Reference speed - 5600 r/min
Limiting speed - 7500 r/min
Calculation factor (e) - 0,24
Calculation factor (Y0) - 2,8
Calculation factor (Y1) - 2,8
Calculation factor (Y2) - 4,2
Search bearings
Bore Dia, mm
Outer Dia, mm:
Bearings Catalogue