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Bearing 21304CDKE4 (NSK)
Spherical roller bearings 21304CDKE4
Bearing number : 21304CDKE4
Size (mm) : 20x52x15
Brand : NSK
Bore Diameter (mm) : 20
Outer Diameter (mm) : 52
Width (mm) : 15
Bearing dimensions and specification in NSK catalogue:
d - 20 mm
D - 52 mm
B - 15 mm
C - 15 mm
r min. - 1,1 mm
da min. - 27 mm
da max - 28 mm
Da min - 42 mm
Da max. - 45 mm
ra max. - 1 mm
Weight - 0,17 Kg
Basic dynamic load rating (C) - 29,3 kN
Basic static load rating (C0) - 26,9 kN
(Grease) Lubrication Speed - 6300 r/min
(Oil) Lubrication Speed - 8200 r/min
Calculation factor (e) - 0,31
Calculation factor (Y0) - 2,1
Calculation factor (Y2) - 3,2
Calculation factor (Y3) - 2,1
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