logo

NACHI 21304E bearing



Bearing 21304E

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