Home > Bearings Catalogue Online > Needle Roller Bearings 
Bearing NA4909R (NTN)
Needle roller bearings NA4909R
Bearing number : NA4909R
Size (mm) : 45x68x22
Brand : NTN
Bore Diameter (mm) : 45
Outer Diameter (mm) : 68
Width (mm) : 22
Bearing dimensions and specification in NTN catalogue:
d - 45 mm
F - 52 mm
D - 68 mm
B - 22 mm
C - 22 mm
r min. - 0,6 mm
s - 1 mm
da min. - 49 mm
Da max. - 64 mm
ra max. - 0,6 mm
Weight - 0,27 Kg
Basic dynamic load rating (C) - 46 kN
Basic static load rating (C0) - 73 kN
(Grease) Lubrication Speed - 5 000 r/min
(Oil) Lubrication Speed - 7 500 r/min
Search bearings
Bore Dia, mm
Outer Dia, mm:
Bearings Catalogue