Bearing 21308 EK

Bearing 21308 EK images Bearing 21308 EK images
From: Spherical Roller Bearings
Spherical Roller Bearings Bearing 21308 EK Related parameters
Name Value
Bearing number 21308 EK
Size (mm) 40x90x23
Brand MBY
Bore Diameter (mm) 40
Outer Diameter (mm) 90
Width (mm) 23
Bearing dimensions and specification
Name Value
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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