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Bearing NA4909L (NTN)
Needle roller bearings NA4909L
Bearing number : NA4909L
Size (mm) : 52x68x23
Brand : NTN
Bore Diameter (mm) : 52
Outer Diameter (mm) : 68
Width (mm) : 23
Bearing dimensions and specification in NTN catalogue:
F - 52 mm
Fw - 45 mm
D - 68 mm
B - 23 mm
C - 22 mm
r min. - 0,6 mm
da min. - 49 mm
Da max. - 55 mm
ra max. - 0,6 mm
Db max - 64 mm
Weight - 0,29 Kg
Basic dynamic load rating (C) - 28,6 kN
Basic static load rating (C0) - 57 kN
(Grease) Lubrication Speed - 3 800 r/min
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