Home > Bearings Catalogue Online > Cylindrical Roller Bearings 
Bearing 21308EK (NACHI)
Cylindrical roller bearings 21308EK
Bearing number : 21308EK
Size (mm) : 40x90x23
Brand : NACHI
Bore Diameter (mm) : 40
Outer Diameter (mm) : 90
Width (mm) : 23
Bearing dimensions and specification in NACHI catalogue:
d - 40 mm
D - 90 mm
B - 23 mm
C - 23 mm
r min. - 1,5 mm
Weight - 0,78 Kg
Basic dynamic load rating (C) - 119 kN
Basic static load rating (C0) - 95,5 kN
(Grease) Lubrication Speed - 6000 r/min
(Oil) Lubrication Speed - 7500 r/min
Calculation factor (e) - 0,26
Calculation factor (Y0) - 2,5
Calculation factor (Y1) - 2,55
Calculation factor (Y2) - 3,8
Search bearings
Bore Dia, mm
Outer Dia, mm:
Bearings Catalogue