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Bearing 6906NR (NTN)
Deep groove ball bearings 6906NR
Bearing number : 6906NR
Size (mm) : 30x47x9
Brand : NTN
Bore Diameter (mm) : 30
Outer Diameter (mm) : 47
Width (mm) : 9
Bearing dimensions and specification in NTN catalogue:
d - 30 mm
D - 47 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 - 45,7 mm
D2 - 49,8 mm
da min. - 32 mm
da max - 34 mm
Da max. - 45 mm
ra max. - 0,3 mm
Dx - 50,5 mm
Cy - 2,3 mm
Cz - 0,9 mm
rn - 0,3 mm
Weight - 0,048 Kg
Basic dynamic load rating (C) - 7,25 kN
Basic static load rating (C0) - 5 kN
(Grease) Lubrication Speed - 14 000 r/min
(Oil) Lubrication Speed - 17 000 r/min
Calculation factor (f0) - 15,8
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