Spherical roller bearings 21308 EK
Bearing number : 21308 EK
Size (mm) : 40x90x23
Brand : SKF
Bore Diameter (mm) : 40
Outer Diameter (mm) : 90
Width (mm) : 23
Bearing dimensions and specification in SKF catalogue:
d - 40 mm
D - 90 mm
B - 23 mm
d2 - - 60 mm
D1 - - 79.8 mm
b - 5.5 mm
K - 3 mm
r1,2 - min. - 1.5 mm
da - min. - 47.2 mm
da - max. - 60 mm
Da - max. - 81 mm
ra - max. - 1.5 mm
Basic dynamic load rating - C - 107 kN
Basic static load rating - C0 - 108 kN
Fatigue load limit - Pu - 12 kN
Reference speed - 7000 r/min
Limiting speed - 9500 r/min
Calculation factor - e - 0.24
Calculation factor - Y1 - 2.8
Calculation factor - Y2 - 4.2
Calculation factor - Y0 - 2.8
Weight - 0.74 kg
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