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Bearing NA6904R (NTN)
Needle roller bearings NA6904R
Bearing number : NA6904R
Size (mm) : 20x37x30
Brand : NTN
Bore Diameter (mm) : 20
Outer Diameter (mm) : 37
Width (mm) : 30
Bearing dimensions and specification in NTN catalogue:
d - 20 mm
F - 25 mm
D - 37 mm
B - 30 mm
C - 30 mm
r min. - 0,3 mm
s - 1 mm
da min. - 22 mm
Da max. - 35 mm
ra max. - 0,3 mm
Weight - 0,141 Kg
Basic dynamic load rating (C) - 36,5 kN
Basic static load rating (C0) - 50,5 kN
(Grease) Lubrication Speed - 11 000 r/min
(Oil) Lubrication Speed - 16 000 r/min
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