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Bearing NA4911S (NTN)
Needle roller bearings NA4911S
Bearing number : NA4911S
Size (mm) : 55x80x25
Brand : NTN
Bore Diameter (mm) : 55
Outer Diameter (mm) : 80
Width (mm) : 25
Bearing dimensions and specification in NTN catalogue:
d - 55 mm
F - 63 mm
D - 80 mm
B - 25 mm
C - 25 mm
r min. - 1 mm
da min. - 60 mm
Da max. - 70 mm
ra max. - 1 mm
Weight - 0,382 Kg
Basic dynamic load rating (C) - 33 kN
Basic static load rating (C0) - 65,5 kN
(Grease) Lubrication Speed - 4300 r/min
(Oil) Lubrication Speed - 6500 r/min
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