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Bearing 21304E (NACHI)
Cylindrical roller bearings 21304E
Bearing number : 21304E
Size (mm) : 20x52x15
Brand : NACHI
Bore Diameter (mm) : 20
Outer Diameter (mm) : 52
Width (mm) : 15
Bearing dimensions and specification in NACHI catalogue:
d - 20 mm
D - 52 mm
B - 15 mm
C - 15 mm
r min. - 1,1 mm
Weight - 0,18 Kg
Basic dynamic load rating (C) - 47 kN
Basic static load rating (C0) - 33,5 kN
(Grease) Lubrication Speed - 11000 r/min
(Oil) Lubrication Speed - 14000 r/min
Calculation factor (e) - 0,31
Calculation factor (Y0) - 2,15
Calculation factor (Y1) - 2,2
Calculation factor (Y2) - 3,27
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