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Bearing NA4912S (NTN)
Needle roller bearings NA4912S
Bearing number : NA4912S
Size (mm) : 60x85x25
Brand : NTN
Bore Diameter (mm) : 60
Outer Diameter (mm) : 85
Width (mm) : 25
Bearing dimensions and specification in NTN catalogue:
d - 60 mm
F - 68 mm
D - 85 mm
B - 25 mm
C - 25 mm
r min. - 1 mm
da min. - 65 mm
Da max. - 75 mm
ra max. - 1 mm
Weight - 0,41 Kg
Basic dynamic load rating (C) - 34 kN
Basic static load rating (C0) - 69 kN
(Grease) Lubrication Speed - 4000 r/min
(Oil) Lubrication Speed - 6000 r/min
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