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Bearing NA4988 (NTN)
Needle roller bearings NA4988
Bearing number : NA4988
Size (mm) : 440x600x160
Brand : NTN
Bore Diameter (mm) : 440
Outer Diameter (mm) : 600
Width (mm) : 160
Bearing dimensions and specification in NTN catalogue:
d - 440 mm
F - 490 mm
D - 600 mm
B - 160 mm
C - 160 mm
r min. - 4 mm
s - 2,5 mm
da min. - 456 mm
Da max. - 584 mm
ra max. - 3 mm
Weight - 123 Kg
Basic dynamic load rating (C) - 1750 kN
Basic static load rating (C0) - 4600 kN
(Grease) Lubrication Speed - 550 r/min
(Oil) Lubrication Speed - 800 r/min
Tags : NTN , 440x600x160
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