Home > Bearings Catalogue Online > Deep Groove Ball Bearings
Bearing 6904NR (NTN)
Deep groove ball bearings 6904NR
Bearing number : 6904NR
Size (mm) : 20x37x9
Brand : NTN
Bore Diameter (mm) : 20
Outer Diameter (mm) : 37
Width (mm) : 9
Bearing dimensions and specification in NTN catalogue:
d - 20 mm
D - 37 mm
B - 9 mm
C - 9 mm
rn - 0,3 mm
a - 1,7 mm
b - 0,95 mm
f - 0,85 mm
r min. - 0,3 mm
r0 max. - 0,25 mm
D1 - 35,7 mm
D2 - 39,8 mm
da min. - 22 mm
da max - 24 mm
Da max. - 35 mm
ra max. - 0,3 mm
Dx - 40,5 mm
Cy - 2,3 mm
Cz - 0,9 mm
rn - 0,3 mm
Weight - 0,036 Kg
Basic dynamic load rating (C) - 6,4 kN
Basic static load rating (C0) - 3,7 kN
(Grease) Lubrication Speed - 19 000 r/min
(Oil) Lubrication Speed - 23 000 r/min
Calculation factor (f0) - 14,7
Search bearings
Bore Dia, mm
Outer Dia, mm:
Bearings Catalogue